**[Open](https://github.com/sindresorhus/open) exists now, use that. :)**

Install with:

    $ npm install --save open

Use with:

    const open = require(&#39;open&#39;);
    
    // Opens the image in the default image viewer
    (async () =&gt; {
    	await open(&#39;unicorn.png&#39;, {wait: true});
    	console.log(&#39;The image viewer app closed&#39;);
    
    	// Opens the url in the default browser
    	await open(&#39;https://sindresorhus.com&#39;);
    
    	// Specify the app to open in
    	await open(&#39;https://sindresorhus.com&#39;, {app: &#39;firefox&#39;});
    
    	// Specify app arguments
    	await open(&#39;https://sindresorhus.com&#39;, {app: [&#39;google chrome&#39;, &#39;--incognito&#39;]});
    })();


## The `app: ...` option:

`Type: string | string[]`

&gt; Specify the app to open the target with, or an array with the app and
&gt; app arguments.
&gt; 
&gt; The app name is platform dependent. Don&#39;t hard code it in reusable
&gt; modules. For example, Chrome is google chrome on macOS, google-chrome
&gt; on Linux and chrome on Windows.
&gt; 
&gt; You may also pass in the app&#39;s full path. For example on WSL, this can
&gt; be /mnt/c/Program Files (x86)/Google/Chrome/Application/chrome.exe for
&gt; the Windows installation of Chrome.

Example:

`open(&#39;http://localhost&#39;, {app: &quot;C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe&quot;});`

I am trying to get the `.htaccess` working in MAMP.

The content of the `.htaccess` is a simple redirect line but it does not work. I am trying to manipulate URLs of a WordPress page, so I added the `.htaccess` file in my theme folder, but it is not working.

Is there any settings within MAMP i need to change to get the `.htaccess` file to work?



How to get htaccess to work on MAMP

I&#39;m trying to create upgrade and backout scripts in SQL.  The upgrade script adds a column like so:

    IF NOT EXISTS (SELECT * FROM sys.columns WHERE Name = N&#39;ColumnName&#39; 
        AND object_id = OBJECT_ID(N&#39;[dbo].[TableName]&#39;))

    ALTER TABLE TableName
        ADD ColumnName bit NOT NULL DEFAULT(0) 

The backout script removes the column like so:

    IF EXISTS (SELECT * FROM sys.columns WHERE Name = N&#39;ColumnName&#39; 
        AND object_id = OBJECT_ID(N&#39;[dbo].[TableName]&#39;))

    ALTER TABLE TableName
        DROP COLUMN ColumnName

However, the backout script throws this error:

    Msg 5074, Level 16, State 1, Line 5
        The object &#39;DF__TableName__ColumnName__1BF3D5BD&#39; is dependent on column &#39;ColumnName&#39;.
    Msg 4922, Level 16, State 9, Line 5
        ALTER TABLE DROP COLUMN ColumnName failed because one or more objects access this column.

I know how to drop the constraint, but the constraint&#39;s name changes everytime (the suffix changes).  I either need SQL Server to stop creating this randomly-named constraint OR I need to be able to remove the constraint in my script using wild-card characters, since the name changes.

Why does SQL Server keep creating a DF constraint?

&gt; **Possible Duplicate:**  
&gt; [How to use nodejs to open default browser and navigate to a specific URL](https://stackoverflow.com/questions/8500326/how-to-use-nodejs-to-open-default-browser-and-navigate-to-a-specific-url)  

&lt;!-- End of automatically inserted text --&gt;

I don&#39;t know if it matters, but I am on OSX.

I know you can launch a browser from the command line itself by typing:

    open http://www.stackoverflow.com

But is there a way to open a browser from inside a nodejs command line script?

How would you launch a browser from the a node.js command line script

> Possible Duplicate: 
> <a href="https://stackoverflow.com/questions/8500326/how-to-use-nodejs-to-open-default-browser-and-navigate-to-a-specific-url" target="_blank" rel="noopener noreferrer">How to use nodejs to open default browser and navigate to a specific URL</a>

I don't know if it matters, but I am on OSX.
I know you can launch a browser from the command line itself by typing:
<pre><code class="hljs language-arduino">open http://www.stackoverflow.com
</code></pre>
But is there a way to open a browser from inside a nodejs command line script?

How can I show files in Git which change most often?

Finding most changed files in Git

I want to split a text with comma `,` not space ` ` in `for foo in list`. Suppose I have a CSV file `CSV_File` with following text inside it:

    Hello,World,Questions,Answers,bash shell,script
    ...

I used following code to split it into several words:

    for word in $(cat CSV_File | sed -n 1&#39;p&#39; | tr &#39;,&#39; &#39;\n&#39;)
    do echo $word
    done

It prints:

    Hello
    World
    Questions
    Answers
    bash
    shell
    script


But I want it to split the text by commas not spaces:

    Hello
    World
    Questions
    Answers
    bash shell
    script

How can I achieve this in bash?

How to split a list by comma not space

Is there a builtin command to clear shell while using shell in emacs?

If not, is there an elisp function to achieve the same?

Command to clear shell while using emacs shell

I was wondering if it was possible to split a file into equal parts (*edit:* = all equal except for the last), without breaking the line? Using the split command in Unix, lines may be broken in half. Is there a way to, say, split up a file in 5 equal parts, but have it still only consist of whole lines (it&#39;s no problem if one of the files is a little larger or smaller)? I know I could just calculate the number of lines, but I have to do this for a lot of files in a bash script. Many thanks!

How to split a file into equal parts, without breaking individual lines?

The following code exits with a unbound variable error. How to fix this, while still using the `set -o` nounset option?

    #!/bin/bash
  
    set -o nounset

    if [ ! -z ${WHATEVER} ];
     then echo &quot;yo&quot;
    fi

    echo &quot;whatever&quot;


Test if a variable is set in bash when using &quot;set -o nounset&quot;

I&#39;m wondering if there is a command line utility for taking a [GitHub flavored Markdown][1] file and rendering it to HTML.

I&#39;m using a GitHub wiki to create website content. I&#39;ve cloned the repository on my server and would then like to process it into regular HTML. It&#39;s important to me that what appears on GitHub is exactly how it should look for my website. I&#39;d also really like to use the fenced blocks with `~~~`, so I&#39;d rather not use standard Markdown syntax only.

I&#39;ve looked a bit into the JavaScript live preview thinking I could hook it into Node.js, but they say it is deprecated. I&#39;ve looked at the redcarpet repository, but it doesn&#39;t look like it has a command line interface.

I rolled my own solution, however, since no solution here is clearly better than the others, I&#39;ll leave the question without a selected answer.

  [1]: http://github.github.com/github-flavored-markdown/
 


Is there a command line utility for rendering GitHub flavored Markdown?

How can I use `sips`, `imagemagic`, or another tool to convert an image to black and white (grayscale) via the command line? 

How can I convert an image to grayscale via the command line?

I am compressing files using [WinZip][1] on the command line. Since we archive on a daily basis, I am trying to add date and time to these files so that a new one is auto generated every time.

I use the following to generate a file name. Copy paste it to your command line and you should see a filename with a Date and Time component.

    echo Archive_%date:~-4,4%%date:~-10,2%%date:~-7,2%_%time:~0,2%%time:~3,2%%time:~6,2%.zip

Output

    Archive_20111011_ 93609.zip

However, my issue is *AM* vs *PM*. The AM time stamp gives me time ` 9` (with a leading blank space) vs. `10` naturally taking up the two spaces. 

I guess my issue will extend to the first nine days, first 9 months, etc. as well.

How do I fix this so that leading zeroes are included instead of leading blank spaces so I get `Archive_20111011_093609.zip`?

  [1]: https://en.wikipedia.org/wiki/WinZip


Batch command date and time in file name

I need to delete all empty folders from my application folder using windows command prompt?

How can I create a bat file like that?

Please help me.


How to delete empty folders using windows command prompt?

I am trying to display the last commit within Git, but I need the date in a special format.

I know that the log pretty format `%ad` respects the `--date` format, but the only `--date` format I can find is &quot;short&quot;. I want to know the others, and whether I can create a custom one such as:

    git -n 1 --date=**YYMMDDHHmm** --pretty=format:&quot;Last committed item in this release was by %%an, %%aD, message: %%s(%%h)[%%d]&quot;




How to change Git log date formats

Is there a way to get more than 10 lines in a node.js stack error?

    function a() { dieInHell(); }
    function b() { a(); }
    function c() { b(); }
    function d() { c(); }
    function e() { d(); }
    function f() { e(); }
    function g() { f(); }
    function h() { g(); }
    function i() { h(); }
    function j() { i(); }
    function k() { j(); }
    function l() { k(); }
    function m() { l(); }
    function n() { m(); }
    function o() { n(); }
    function p() { o(); }
    function q() { p(); }

    try {
        q();
    }
    catch(e) {
        console.log(e.stack);
    }
        
shows :

    $ node debug.js 
    ReferenceError: dieInHell is not defined
        at a (/Users/julien/tmp/debug.js:2:5)
        at b (/Users/julien/tmp/debug.js:6:5)
        at c (/Users/julien/tmp/debug.js:10:5)
        at d (/Users/julien/tmp/debug.js:14:5)
        at e (/Users/julien/tmp/debug.js:18:5)
        at f (/Users/julien/tmp/debug.js:22:5)
        at g (/Users/julien/tmp/debug.js:26:5)
        at h (/Users/julien/tmp/debug.js:30:5)
        at i (/Users/julien/tmp/debug.js:34:5)
        at j (/Users/julien/tmp/debug.js:38:5)

Is there a way to get more than 10 calls?

More than 10 lines in a node.js stack error?

is possible in mongo db to select collection&#39;s documents like in SQL :

    SELECT * FROM collection WHERE _id IN (1,2,3,4);

or if i have a `_id array` i must select one by one and then recompose the `array/object` of results?


MongoDB select where in array of _id?

I am running Node.js version `v0.5.9-pre` on Ubuntu 10.10.

I would like to be using version `v0.5.0-pre`.

How do I roll back to the older version of node? 

How to change to an older version of Node.js

I&#39;m trying to execute a windows command through cmd.exe in node.js using child_process.spawn. It executes correctly, but only displays in default text color. How do I preserver the color. Is it possible?

	var spawn = require(&#39;child_process&#39;).spawn,
		cmd    = spawn(&#39;cmd&#39;, [&#39;/s&#39;, &#39;/c&#39;, &#39;C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\MSBuild c:\\test.sln&#39;]);

	cmd.stdout.on(&#39;data&#39;, function(data){
		process.stdout.write(data);
	});

	cmd.stderr.on(&#39;data&#39;, function(data){
		process.stderr.write(data);
	});

	cmd.on(&#39;exit&#39;, function(code){
		console.log(code);
	});


When executing via node, the color is not preserved.
![Executing via node.js][1]

When executing via cmd.exe directly, the color is present. (This is the expected behavior). How do I get this behvior when executing via node.
![When executing through cmd.exe][2]


  [1]: http://i.stack.imgur.com/14mTV.png
  [2]: http://i.stack.imgur.com/TNabq.png

preserve color when executing child_process.spawn

Is there a common convention for breaking up and modularizing the `app.js` file in an _Express.js_ application? Or is it common to keep everything in a single file?

Content Type	Original Author	Original Content on Stackoverflow
Question	Bob Ralian	View Question on Stackoverflow
Solution 1 - Shell	ctide	View Answer on Stackoverflow

How would you launch a browser from the a node.js command line script

Shell Problem Overview

Shell Solutions

Solution 1 - Shell

The `app: ...` option:

Why does SQL Server keep creating a DF constraint?

How to get htaccess to work on MAMP

Attributions

Shell Problem Overview

Shell Solutions

Solution 1 - Shell

The app: ... option:

Why does SQL Server keep creating a DF constraint?

How to get htaccess to work on MAMP

Attributions

The `app: ...` option: