Using None is equivalent to using `numpy.newaxis`, so yes, it&#39;s intentional.  In fact, they&#39;re the same thing, but, of course, `newaxis` spells it out better.

[The docs][1]:

&gt; The newaxis object can be used in all slicing operations to create an axis of length one. newaxis is an alias for ‘None’, and ‘None’ can be used in place of this with the same result.

[A related SO question][2].

[1]: http://docs.scipy.org/doc/numpy/reference/arrays.indexing.html#numpy.newaxis
[2]: https://stackoverflow.com/questions/944863/numpy-should-i-use-newaxis-or-none

I would like to have my site’s logo shown in the icon area of the title rather than the default white document. Exactly as Stack Overflow has it.



How do I get my page title to have an icon?

I have a source rectangle and a destination rectangle. I need to find the maximum scale to which the source can be scaled while fitting within the destination rectangle and *maintaining its original aspect ratio*.

Google found [one][1] way to do it but I&#39;m not sure if it works in all cases. Here is my home-brewed solution:

 - Calculate Height/Width for each rectangle. This gives the slopes of the diagonals `msrc` and `mdest`.
 - If `msrc &lt; mdst`, scale source *width* to fit the destination *width* (and scale height by the same ratio)
 - Otherwise, scale source *height* to fit the destination *height* (and scale width by the same ratio)

  [1]: http://www.vbdotnetforums.com/graphics-gdi/33829-scale-rectangle-fit-another.html

Looking for other possible solutions to this problem. I&#39;m not even sure if my algorithm works in all cases!

How do I scale one rectangle to the maximum size possible within another rectangle?

This had me scratching my head for a while.  I was unintentionally slicing an array with None and getting something other than an error (I expected an error).  Instead, it returns an array with an extra dimension.

    &gt;&gt;&gt; import numpy
    &gt;&gt;&gt; a = numpy.arange(4).reshape(2,2)
    &gt;&gt;&gt; a
    array([[0, 1],
           [2, 3]])
    &gt;&gt;&gt; a[None]
    array([[[0, 1],
            [2, 3]]])

Is this behavior intentional or a side-effect?  If intentional, is there some rationale for it?


NumPy array slice using None

This had me scratching my head for a while. I was unintentionally slicing an array with None and getting something other than an error (I expected an error). Instead, it returns an array with an extra dimension.
<pre><code class="hljs language-lua">>>> import numpy
>>> a = numpy.arange(4).reshape(2,2)
>>> a
array([[0, 1],
 [2, 3]])
>>> a[None]
array([[[0, 1],
 [2, 3]]])
</code></pre>
Is this behavior intentional or a side-effect? If intentional, is there some rationale for it?

How can I handle KeyboardInterrupt events with python&#39;s multiprocessing Pools? Here is a simple example:

    from multiprocessing import Pool
    from time import sleep
    from sys import exit

    def slowly_square(i):
        sleep(1)
        return i*i

    def go():
        pool = Pool(8)
        try:
            results = pool.map(slowly_square, range(40))
        except KeyboardInterrupt:
            # **** THIS PART NEVER EXECUTES. ****
            pool.terminate()
            print &quot;You cancelled the program!&quot;
            sys.exit(1)
        print &quot;\nFinally, here are the results: &quot;, results

    if __name__ == &quot;__main__&quot;:
        go()

When running the code above, the `KeyboardInterrupt` gets raised when I press `^C`, but the process simply hangs at that point and I have to kill it externally.

I want to be able to press `^C` at any time and cause all of the processes to exit gracefully.


Keyboard Interrupts with python&#39;s multiprocessing Pool

I would like to provide the same content inside 2 different base files. 

So I&#39;m trying to do this:

page1.html:

    {% extends &quot;base1.html&quot; %}
    {% include &quot;commondata.html&quot; %}

page2.html:

    {% extends &quot;base2.html&quot; %} 
    {% include &quot;commondata.html&quot; %}


The problem is that I can&#39;t seem to use both extends and include.  Is there some way to do that?  And if not, how can I accomplish the above?

commondata.html overrides a block that is specified in both base1.html and base2.html

The purpose of this is to provide the same page in both pdf and html format, where the formatting is slightly different.  The above question though simplifies what I&#39;m trying to do so if I can get an answer to that it will solve my problem.

django templates: include and extends

What is the equivalent of the backticks found in Ruby and Perl in Python? That is, in Ruby I can do this:

    foo = `cat /tmp/baz`

What does the equivalent statement look like in Python? I&#39;ve tried `os.system(&quot;cat /tmp/baz&quot;)` but that puts the result to standard out and returns to me the error code of that operation.

Equivalent of Bash Backticks in Python

I can&#39;t get wsgi to import my settings file for my project &#39;mofin&#39;.

The list of errors from the apache error log are as follows

    mod_wsgi (pid=4001): Exception occurred within WSGI script &#39;/var/www/wsgi-scripts/django.wsgi&#39;.
    Traceback (most recent call last):
      File &quot;/usr/lib/python2.5/site-packages/django/core/handlers/wsgi.py&quot;, line 228, in __call__
        self.load_middleware()
      File &quot;/usr/lib/python2.5/site-packages/django/core/handlers/base.py&quot;, line 31, in load_middleware
        for middleware_path in settings.MIDDLEWARE_CLASSES:
      File &quot;/usr/lib/python2.5/site-packages/django/conf/__init__.py&quot;, line 28, in __getattr__
        self._import_settings()
      File &quot;/usr/lib/python2.5/site-packages/django/conf/__init__.py&quot;, line 59, in _import_settings
        self._target = Settings(settings_module)
      File &quot;/usr/lib/python2.5/site-packages/django/conf/__init__.py&quot;, line 94, in __init__
        raise ImportError, &quot;Could not import settings &#39;%s&#39; (Is it on sys.path? Does it have syntax errors?): %s&quot; % (self.SETTINGS_MODULE, e)
    ImportError: Could not import settings &#39;mofin.settings&#39; (Is it on sys.path? Does it have syntax errors?): No module named mofin.settings

I got the &quot;hello world!&quot; wsgi app listed here(http://code.google.com/p/modwsgi/wiki/QuickConfigurationGuide) to work fine. 

The settings.py file loads fine with python manage.py (runserver|shell|syncdb|test store)
as does the application.

Here is my wsgi file:

    import os
    import sys
    sys.path.append(&#39;/home/django/mofin/trunk&#39;)
    sys.path.append(&#39;/home/django/mofin/trunk/mofin&#39;)
    print &gt;&gt; sys.stderr, sys.path
    os.environ[&#39;DJANGO_SETTINGS_MODULE&#39;] = &#39;mofin.settings&#39;
    
    import django.core.handlers.wsgi
    application = django.core.handlers.wsgi.WSGIHandler()
    

the sys.path as printed in the error log is

&gt;[&#39;/usr/lib/python25.zip&#39;, &#39;/usr/lib/python2.5&#39;, &#39;/usr/lib/python2.5/plat-linux2&#39;, &#39;/usr/lib/python2.5/lib-tk&#39;, &#39;/usr/lib/python2.5/lib-dynload&#39;, &#39;/usr/lib/python2.5/site-packages&#39;, &#39;/usr/lib/python2.5/site-packages/gtk-2.0&#39;, &#39;/home/django/mofin/trunk&#39;, &#39;/home/django/mofin/trunk/mofin&#39;]

if I open an interactive shell with manage.py, sys.path is

&gt;[&#39;/home/django/mofin/trunk/mofin&#39;, &#39;/usr/lib/python25.zip&#39;, &#39;/usr/lib/python2.5&#39;, &#39;/usr/lib/python2.5/plat-linux2&#39;, &#39;/usr/lib/python2.5/lib-tk&#39;, &#39;/usr/lib/python2.5/lib-dynload&#39;, &#39;/usr/lib/python2.5/site-packages&#39;, &#39;/usr/lib/python2.5/site-packages/gtk-2.0&#39;]

My django settings file looks like this:
    # Django settings for mofin project.
    
    DEBUG = True
    TEMPLATE_DEBUG = DEBUG
    
    ADMINS = (
        # (&#39;Dan xxxx&#39;, &#39;xxxx@yyyyyyyyyy.com&#39;),
    )
    
    MANAGERS = ADMINS
    
    DATABASE_ENGINE = &#39;mysql&#39;           # &#39;postgresql_psycopg2&#39;, &#39;postgresql&#39;, &#39;mysql&#39;, &#39;sqlite3&#39; or &#39;oracle&#39;.
    DATABASE_NAME = &#39;mofin&#39;             # Or path to database file if using sqlite3.
    DATABASE_USER = &#39;aaaaaa&#39;             # Not used with sqlite3.
    DATABASE_PASSWORD = &#39;bbbbbb&#39;         # Not used with sqlite3.
    DATABASE_HOST = &#39;&#39;             # Set to empty string for localhost. Not used with sqlite3.
    DATABASE_PORT = &#39;&#39;             # Set to empty string for default. Not used with sqlite3.
    
    # Local time zone for this installation. Choices can be found here:
    # http://en.wikipedia.org/wiki/List_of_tz_zones_by_name
    # although not all choices may be available on all operating systems.
    # If running in a Windows environment this must be set to the same as your
    # system time zone.
    TIME_ZONE = &#39;Europe/London&#39;
    
    # Language code for this installation. All choices can be found here:
    # http://www.i18nguy.com/unicode/language-identifiers.html
    LANGUAGE_CODE = &#39;en-GB&#39;
    
    SITE_ID = 1
    
    # If you set this to False, Django will make some optimizations so as not
    # to load the internationalization machinery.
    USE_I18N = True
    
    # Absolute path to the directory that holds media.
    # Example: &quot;/home/media/media.lawrence.com/&quot;
    MEDIA_ROOT = &#39;/home/django/media/&#39;
    
    # URL that handles the media served from MEDIA_ROOT. Make sure to use a
    # trailing slash if there is a path component (optional in other cases).
    # Examples: &quot;http://media.lawrence.com&quot;, &quot;http://example.com/media/&quot;
    MEDIA_URL = &#39;http://mofin.mywebsite.co.uk/media/&#39;
    
    # URL prefix for admin media -- CSS, JavaScript and images. Make sure to use a
    # trailing slash.
    # Examples: &quot;http://foo.com/media/&quot;, &quot;/media/&quot;.
    ADMIN_MEDIA_PREFIX = &#39;/admin_media/&#39;
    
    # Make this unique, and don&#39;t share it with anybody.
    SECRET_KEY = &#39;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx&#39;
    
    # List of callables that know how to import templates from various sources.
    TEMPLATE_LOADERS = (
        &#39;django.template.loaders.filesystem.load_template_source&#39;,
        &#39;django.template.loaders.app_directories.load_template_source&#39;,
    #     &#39;django.template.loaders.eggs.load_template_source&#39;,
    )
    
    MIDDLEWARE_CLASSES = (
        &#39;django.middleware.common.CommonMiddleware&#39;,
        &#39;django.contrib.sessions.middleware.SessionMiddleware&#39;,
        &#39;django.contrib.auth.middleware.AuthenticationMiddleware&#39;,
    )
    
    ROOT_URLCONF = &#39;mofin.urls&#39;
    
    TEMPLATE_DIRS = (
        # Put strings here, like &quot;/home/html/django_templates&quot; or &quot;C:/www/django/templates&quot;.
        # Always use forward slashes, even on Windows.
        # Don&#39;t forget to use absolute paths, not relative paths.
    )
    
    INSTALLED_APPS = (
        &#39;django.contrib.auth&#39;,
        &#39;django.contrib.contenttypes&#39;,
        &#39;django.contrib.sessions&#39;,
        &#39;django.contrib.sites&#39;,
        &#39;django.contrib.admin&#39;,
        &#39;mofin.store&#39;
    )


How do I stop getting ImportError: Could not import settings &#39;mofin.settings&#39; when using django with wsgi?

I have a python editor where the user is entering a script or code, which is then put into a main method behind the scenes, while also having every line indented. The problem is that if a user has a multi line string, the indentation made to the whole script affects the string, by inserting a tab in every space. A problem script would be something so simple as:

    &quot;&quot;&quot;foo
    bar
    foo2&quot;&quot;&quot;

So when in the main method it would look like:

    def main():
        &quot;&quot;&quot;foo
        bar
        foo2&quot;&quot;&quot;

and the string would now have an extra tab at the beginning of every line. 


How to remove extra indentation of Python triple quoted multi-line strings?

When declaring an array in C like this:

    int array[10];

What is the initial value of the integers?? I&#39;m getting different results with different compilers and I want to know if it has something to do with the compiler, or the OS.

initial value of int array in C

    private string[] ColeccionDeCortes(string Path)
    {
        DirectoryInfo X = new DirectoryInfo(Path);
        FileInfo[] listaDeArchivos = X.GetFiles();
        string[] Coleccion;
    
        foreach (FileInfo FI in listaDeArchivos)
        {
            //Add the FI.Name to the Coleccion[] array, 
        }
    
        return Coleccion;
    }

I&#39;d like to convert the `FI.Name` to a string and then add it to my array. How can I do this?

How to add a string to a string[] array? There&#39;s no .Add function

I&#39;m using a template engine that inserts code in my site where I want it.

I wrote a function to test for something which is quite easy:

    myfunction() { return &#39;($this-&gt;data[&quot;a&quot;][&quot;b&quot;] ? true : false)&#39;; }

The problem is, $this-&gt;data is private, and I can&#39;t access it everywhere, so I have to use getData(); which causes my problem.

    $this-&gt;getData()[&#39;a&#39;][&#39;b&#39;]

does not work, and assigning the value first doesn&#39;t either because it will be used directly in an if() block.

Any ideas?

Access array returned by a function in php

In particular 

 1. Create a function to take an array and an index as parameters.
 2. Create a n element array.
 3. Create a n count loop.
 4. Inside the loop on a new thread assign a new instance of the object to the array using the indexer passed in. 

I know how to manage the threads etc. I am interested in know if this is thread safe way of doing something.
 

     class Program
    {
        // bogus object
        class SomeObject
        {
            private int value1;
            private int value2;

            public SomeObject(int value1, int value2)
            {
                this.value1 = value1;
                this.value2 = value2;
            }
        }
       
        static void Main(string[] args)
        {

            var s = new SomeObject[10];
            var threads = Environment.ProcessorCount - 1;
            var stp = new SmartThreadPool(1000, threads, threads);
            for (var i = 0; i &lt; 10; i++)
            {
                stp.QueueWorkItem(CreateElement, s, i);
            }

        }

        static void CreateElement(SomeObject[] s, int index)
        {
            s[index] = new SomeObject(index, 2);
        }
    }

Are C# arrays thread safe?

From an array that looks something like the following, how can I get the index of the highest value in the array. For the array below, the desired result would be &#39;11&#39;.

    Array (
        [11] =&gt; 14
        [10] =&gt; 9
        [12] =&gt; 7
        [13] =&gt; 7
        [14] =&gt; 4
        [15] =&gt; 6
    )

Return index of highest value in an array

How do I install SciPy on my system?

For the NumPy part (that SciPy depends on) there is actually an installer for 64 bit Windows: [numpy-1.3.0.win-amd64-py2.6.msi][1] (is direct download URL, 2310144 bytes).

Running the SciPy superpack installer results in this
message in a dialog box:

&gt;Cannot install. Python version 2.6 required, which was not found in the registry.

I already have Python 2.6.2 installed (and a working Django installation
in it), but I don&#39;t know about any Registry story.

The registry entries seem to already exist:

    REGEDIT4

    [HKEY_LOCAL_MACHINE\SOFTWARE\Python]

    [HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore]

    [HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore\2.6]

    [HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore\2.6\Help]

    [HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore\2.6\Help\Main Python Documentation]
    @=&quot;D:\\Python262\\Doc\\python262.chm&quot;

    [HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore\2.6\InstallPath]
    @=&quot;D:\\Python262\\&quot;

    [HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore\2.6\InstallPath\InstallGroup]
    @=&quot;Python 2.6&quot;

    [HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore\2.6\Modules]

    [HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore\2.6\PythonPath]
    @=&quot;D:\\Python262\\Lib;D:\\Python262\\DLLs;D:\\Python262\\Lib\\lib-tk&quot;

----------

What I have done so far:

**Step 1**

Downloaded the NumPy superpack installer
numpy-1.3.0rc2-win32-superpack-python2.6.exe
([direct download URL][2], 4782592 bytes). Running this installer
resulted in the same message, &quot;Cannot install. Python
version 2.6 required, which was not found in the registry.&quot;.
**Update**: there is actually an installer for NumPy that works - see beginning of the question.


**Step 2**

Tried to install NumPy in another way. Downloaded the zip
package numpy-1.3.0rc2.zip ([direct download URL][3], 2404011 bytes),
extracted the zip file in a normal way to a temporary
directory, D:\temp7\numpy-1.3.0rc2 (where setup.py and
README.txt is). I then opened a command line window and:

    d:
    cd D:\temp7\numpy-1.3.0rc2
    setup.py install

This ran for a long time and also included use of cl.exe
(part of Visual Studio). Here is a nearly 5000 lines long
[transcript][4] (230 KB).

This seemed to work. I can now do this in Python:

    import numpy as np
    np.random.random(10)

with this result:

    array([ 0.35667511,  0.56099423,  0.38423629,  0.09733172,  0.81560421,
            0.18813222,  0.10566666,  0.84968066,  0.79472597,  0.30997724])


**Step 3**

Downloaded the SciPy superpack installer, scipy-0.7.1rc3-
win32-superpack-python2.6.exe ([direct download URL][5], 45597175
bytes). Running this installer resulted in the message
listed in the beginning


**Step 4**

Tried to install SciPy in another way. Downloaded the zip
package scipy-0.7.1rc3.zip ([direct download URL][6], 5506562
bytes), extracted the zip file in a normal way to a
temporary directory, D:\temp7\scipy-0.7.1 (where setup.py
and README.txt is). I then opened a command line window and:

    d:
    cd D:\temp7\scipy-0.7.1
    setup.py install

This did not achieve much - here is a [transcript][7] (about 95
lines).

And it fails:

    &gt;&gt;&gt; import scipy as sp2
    Traceback (most recent call last):
      File &quot;&lt;stdin&gt;&quot;, line 1, in &lt;module&gt;
    ImportError: No module named scipy


----------

Platform: Python 2.6.2 installed in directory D:\Python262,
Windows XP 64 bit SP2, 8 GB RAM, Visual Studio 2008
Professional Edition installed.

The startup screen of the installed Python is:

    Python 2.6.2 (r262:71605, Apr 14 2009, 22:46:50) [MSC v.1500 64 bit (AMD64)] on win32
    Type &quot;help&quot;, &quot;copyright&quot;, &quot;credits&quot; or &quot;license&quot; for more information.
    &gt;&gt;&gt;

Value of PATH, result from SET in a command line window:

    Path=D:\Perl64\site\bin;D:\Perl64\bin;C:\Program Files (x86)\PC Connectivity Solution\;D:\Perl\site\bin;D:\Perl\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Program Files (x86)\ATI Technologies\ATI.ACE\Core-Static;d:\Program Files (x86)\WinSCP\;D:\MassLynx\;D:\Program Files (x86)\Analyst\bin;d:\Python262;d:\Python262\Scripts;D:\Program Files (x86)\TortoiseSVN\bin;D:\Program Files\TortoiseSVN\bin;C:\WINDOWS\system32\WindowsPowerShell\v1.0;D:\Program Files (x86)\IDM Computer Solutions\UltraEdit\

  [1]: http://dfn.dl.sourceforge.net/project/numpy/NumPy/1.3.0/numpy-1.3.0.win-amd64-py2.6.msi
  [2]: http://dfn.dl.sourceforge.net/project/numpy/NumPy/1.3.0rc2/numpy-1.3.0rc2-win32-superpack-python2.6.exe
  [3]: http://dfn.dl.sourceforge.net/project/numpy/NumPy/1.3.0rc2/numpy-1.3.0rc2.zip
  [4]: http://pmortensen.eu/1/until2039-12-31/SO/numpyBuildTranscript_2009-10-03.html
  [5]: http://dfn.dl.sourceforge.net/project/scipy/scipy/0.7.1rc3/scipy-0.7.1rc3-win32-superpack-python2.6.exe
  [6]: http://dfn.dl.sourceforge.net/project/scipy/scipy/0.7.1rc3/scipy-0.7.1rc3.zip
  [7]: http://pmortensen.eu/1/until2039-12-31/SO/scipyBuildTranscript2.html


How do I install SciPy on 64 bit Windows?

How can I check which version of NumPy I&#39;m using?

How do I check which version of NumPy I&#39;m using?

Sometimes it is useful to &quot;clone&quot; a row or column vector to a matrix. By cloning I mean converting a row vector such as

    [1, 2, 3]

Into a matrix

    [[1, 2, 3],
     [1, 2, 3],
     [1, 2, 3]]
    
or a column vector such as
 
    [[1],
     [2],
     [3]]
    
into

    [[1, 1, 1]
     [2, 2, 2]
     [3, 3, 3]]


In MATLAB or octave this is done pretty easily:

     x = [1, 2, 3]
     a = ones(3, 1) * x
     a =
 
        1   2   3
        1   2   3
        1   2   3
        
     b = (x&#39;) * ones(1, 3)
     b =
 
        1   1   1
        2   2   2
        3   3   3

I want to repeat this in numpy, but unsuccessfully

    In [14]: x = array([1, 2, 3])
    In [14]: ones((3, 1)) * x
    Out[14]:
    array([[ 1.,  2.,  3.],
           [ 1.,  2.,  3.],
           [ 1.,  2.,  3.]])
    # so far so good
    In [16]: x.transpose() * ones((1, 3))
    Out[16]: array([[ 1.,  2.,  3.]])
    # DAMN
    # I end up with 
    In [17]: (ones((3, 1)) * x).transpose()
    Out[17]:
    array([[ 1.,  1.,  1.],
           [ 2.,  2.,  2.],
           [ 3.,  3.,  3.]])

Why wasn&#39;t the first method (`In [16]`) working? Is there a way to achieve this task in python in a more elegant way?

&quot;Cloning&quot; row or column vectors

Is there function to get an iterator over an arbitrary dimension of a numpy array?

Iterating over the first dimension is easy...

    In [63]: c = numpy.arange(24).reshape(2,3,4)

    In [64]: for r in c :
       ....:     print r
       ....: 
    [[ 0  1  2  3]
     [ 4  5  6  7]
     [ 8  9 10 11]]
    [[12 13 14 15]
     [16 17 18 19]
     [20 21 22 23]]

But iterating over other dimensions is harder.  For example, the last dimension:

    In [73]: for r in c.swapaxes(2,0).swapaxes(1,2) :
       ....:     print r
       ....: 
    [[ 0  4  8]
     [12 16 20]]
    [[ 1  5  9]
     [13 17 21]]
    [[ 2  6 10]
     [14 18 22]]
    [[ 3  7 11]
     [15 19 23]]

I&#39;m making a generator to do this myself, but I&#39;m surprised there isn&#39;t a function named something like numpy.ndarray.iterdim(axis=0) to do this automatically.

Iterating over arbitrary dimension of numpy.array

I would like to delete selected columns in a numpy.array . This is what I do:

    n [397]: a = array([[ NaN,   2.,   3., NaN],
       .....:        [  1.,   2.,   3., 9]])

    In [398]: print a
    [[ NaN   2.   3.  NaN]
     [  1.   2.   3.   9.]]

    In [399]: z = any(isnan(a), axis=0)

    In [400]: print z
    [ True False False  True]

    In [401]: delete(a, z, axis = 1)
    Out[401]:
     array([[  3.,  NaN],
           [  3.,   9.]])
           
           
In this example my goal is to delete all the columns that contain NaN&#39;s. I expect the last command 
to result in:

    array([[2., 3.],
           [2., 3.]])
           


How can I do that?


Content Type	Original Author	Original Content on Stackoverflow
Question	Paul	View Question on Stackoverflow
Solution 1 - Python	tom10	View Answer on Stackoverflow

NumPy array slice using None

Python Problem Overview

Python Solutions

Solution 1 - Python

How do I scale one rectangle to the maximum size possible within another rectangle?

How do I get my page title to have an icon?

Attributions