You can use one of the following:

- `DateTime.current.midnight`
- `DateTime.current.beginning_of_day`
- `DateTime.current.to_date`


What you need is the function strftime:

    Time.now.strftime(&quot;%Y-%d-%m %H:%M:%S %Z&quot;)

You can use just:    

    Date.current

If you&#39;re happy to `require &#39;active_support/core_ext&#39;`, then you can use

    DateTime.now.midnight # =&gt; Sat, 19 Nov 2011 00:00:00 -0800

If you want today&#39;s date without the time, just use `Date.today`

Figured it out. This works:

    DateTime.now.in_time_zone.midnight

Division in sqlite return integer value

    sqlite&gt; select totalUsers/totalBids from 
    (select (select count(*) from Bids) as totalBids , 
    (select count(*) from Users) as totalUsers) A;
    1

Can we typecast the result to get the real value of division result?


converting int to real in sqlite

How to get the first few lines from a gziped file ?
I tried zcat, but its throwing an error

    zcat CONN.20111109.0057.gz|head
    CONN.20111109.0057.gz.Z: A file or directory in the path name does not exist.




How to get few lines from a .gz compressed file without uncompressing

I need to use DateTime.now to grab the current date, and &quot;strip off&quot; the time.

For example, this shows what I *don&#39;t* want: `DateTime.now =&gt;  Sat, 19 Nov 2011 18:54:13 UTC +00:00`

This shows what I *do* want: `DateTime.now.some_operation =&gt; 2011-11-06 00:00:00 UTC`

Rails DateTime.now without Time

I need to use DateTime.now to grab the current date, and "strip off" the time.
For example, this shows what I don't want: <code>DateTime.now => Sat, 19 Nov 2011 18:54:13 UTC +00:00</code>
This shows what I do want: <code>DateTime.now.some_operation => 2011-11-06 00:00:00 UTC</code>

I did some searching found some different methods and posts about creating a deep copy operator.

Is there a quick and easy (built-in) way to deep copy objects in Ruby? The fields are not arrays or hashes.

Working in Ruby 1.9.2.

How to create a deep copy of an object in Ruby?

In my action I wish to only respond with processing if it was called from an AJAX request. How do I check?

I want to do something like this:

    def action
       @model = Model.find(params[:id])

       respond_to do |format|

          if (wasAJAXRequest()) #How do I do this?

             format.html #action.html.erb

          else

             format.html {redirect_to root_url}
       end
    end

Rails detect if request was AJAX

I learned Rails using just the rake command like `rake db:migrate`; however, I read that I should be using the `bundle exec rake ... ` instead of just plain `rake`. Now I&#39;m confused about which to use.

Should I be using `bundle exec rake` instead of just plain `rake` or is it just a preference thing? Any insight would be much appreciated! Thanks!

Use bundle exec rake or just rake?

I&#39;m using Rspec and Capybara.

How can I write a step to check a `checkbox`? I&#39;ve tried `check` by value but it can&#39;t find my `checkbox`. I&#39;m not sure what to do, as I have in fact same ID with different values 

Here is the code:

     &lt;input id=&quot;cityID&quot; type=&quot;checkbox&quot; style=&quot;text-align: center; opacity: 0;&quot; value=&quot;61&quot; name=&quot;cityID&quot;&gt;
     &lt;input id=&quot;cityID&quot; type=&quot;checkbox&quot; style=&quot;text-align: center; opacity: 0;&quot; value=&quot;62&quot; name=&quot;cityID&quot;&gt;
     &lt;input id=&quot;cityID&quot; type=&quot;checkbox&quot; style=&quot;text-align: center; opacity: 0;&quot; value=&quot;63&quot; name=&quot;cityID&quot;&gt;


How to check a checkbox in capybara?

While running an app how do you select a user by email address and then set the password manually within `rails console` for Devise?

Also, where would I go to review documentation to cover more details in this regard to manipulation of accounts while using Devise?

Devise password reset from Rails console

I am in the process of setting up a git repository and attempting to link it to Heroku. When I run the command

    git push heroku master

I receive 

    Counting objects: 7, done.
    Delta compression using up to 2 threads.
    Compressing objects: 100% (5/5), done.
    Writing objects: 100% (7/7), 714 bytes, done.
    Total 7 (delta 1), reused 0 (delta 0)
    
    -----&gt; Heroku receiving push
    
     !     Heroku push rejected due to an unrecognized error.
     !     We&#39;ve been notified, see http://support.heroku.com if the problem persists.
    
    
    To git@heroku.com:morning-stream-3712.git
     ! [remote rejected] master -&gt; master (pre-receive hook declined)
    error: failed to push some refs to &#39;git@heroku.com:morning-stream-3712.git&#39;

I&#39;m not quite sure what other information would be helpful and what will just muddy the waters, so I&#39;ll just leave it at this for now. Any help getting my application pushed to Heroku would be greatly appreciated. Thanks.



git, Heroku: pre-receive hook declined

I have a string variable with content:

    varMessage =   
                &quot;hi/thsid/sdfhsjdf/dfjsd/sdjfsdn\n&quot;
    
    
                &quot;/my/name/is/balaji.so\n&quot;
                &quot;call::myFunction(int const&amp;)\n&quot;
                &quot;void::secondFunction(char const&amp;)\n&quot;
                 .
                 .
                 .
                &quot;this/is/last/line/liobrary.so&quot;

In the string I have to find a sub-string:

    &quot;hi/thsid/sdfhsjdf/dfjsd/sdjfsdn\n&quot;
    
    &quot;/my/name/is/balaji.so\n&quot;
    &quot;call::myFunction(int const&amp;)\n&quot;

How can I find it? I need to determine whether the sub-string is present or not.

How to check whether a string contains a substring in Ruby

I have an array of arrays in Ruby on Rails (3.1) where all the internal arrays are of different size. Is there a way to easily concatenate all the internal arrays to get one big one dimesional array with all the items?

I know you can use the Array::concat function to concatenate two arrays, and I could do a loop to concatenate them sequentially like so:

    concatenated = Array.new
    array_of_arrays.each do |array|
        concatenated.concat(array)
    end

but I wanted to know if there was like a Ruby one-liner which would do it in a cleaner manner.

Thanks for your help.

Ruby: How to concatenate array of arrays into one

I have a code:

    int MonthNow = System.DateTime.Now.Month;
    int YearNow = System.DateTime.Now.Year;
    int DayNow = System.DateTime.Now.Day;

How can I get yesterday and tomorrow day, month and year in C#?  

Of course, I can just write:

    DayTommorow = DayNow +1;

but it may happen that tomorrow is other month or year. Are there in C# built-in tools to find out yesterday and today?

how get yesterday and tomorrow datetime in c#

&gt; **Possible Duplicate:**  
&gt; [Convert string to DateTime in c#](https://stackoverflow.com/questions/1592653/convert-string-to-datetime-in-c-sharp)  

&lt;!-- End of automatically inserted text --&gt;

A question

I got a string value that actually get from directoryInfo.
What i wanted to accomplish is to convert the string value to a date value for making comparison.

The folder name is sample like this C:\FOLD\20111120
and properly another folder path is like this 
C:\FOLD\20111021

20111120 is actually a date format. I am trying to convert it into date format to made some comparison decide to deleting the whole directory or not.

I think i shall paste my code here

    DirectoryInfo dir = new DirectoryInfo(_FolderPath);

    foreach (DirectoryInfo f in dir.GetDirectories())
    {
         String folderName = f.ToString();
         DateTime ConDt = Convert.ToDateTime(folderName);
         Console.WriteLine(ConDt);
         Console.WriteLine(ConDt.GetType());
       //Console.WriteLine(folderName.GetType());
       //Console.WriteLine(f.GetType());
    }

I tried with Convert.toDatetime() and i get error that unable to made the converstion.How can i do so with this?

Convert YYYYMMDD string date to a datetime value

I need a code snippet for converting amount of time given by number of seconds into some human readable form. The function should receive a number and output a string like this:

    34 seconds 
    12 minutes 
    4 hours 
    5 days 
    4 months
    1 year

No formatting required, hard-coded format will go.

Convert time interval given in seconds into more human readable form

One of my fields in one of my entities is a &quot;datetime&quot; variable.

How can I convert this field into a string to render in a browser?

Here is a code snippet:

    {% for game in games %}
        ...
            &lt;td&gt; {{game.gameTeamIdOne.teamName}} &lt;/td&gt;
            &lt;td&gt; {{game.gameTeamIdTwo.teamName}} &lt;/td&gt;
            &lt;td&gt; {{game.gameDate}}&lt;/td&gt;
        &lt;/tr&gt;
    {% endfor %}

Here is the variable in my entity class:

    /**
     * @var date $gameDate
     *
     * @ORM\Column(name=&quot;GAME_DATE&quot;, type=&quot;datetime&quot;, nullable=true)
     */
    private $gameDate;


And here is the error message I am getting:

&gt; An exception has been thrown during the rendering of a template (&quot;Catchable Fatal Error:      Object of class DateTime could not be converted to string in ...\app\cache\dev\twig\9b\ad\58fd3bb1517632badf1fdc7fa4a8.php line 33&quot;) in &quot;BeerBundle:Games:gameTable.html.twig&quot; at line 10.

How to render a DateTime object in a Twig template

I just want to compare 2 datetime objects to see if they are set to the same date, but I don&#39;t care about the time component of the the object.  At the moment I am using the date_format command to extract strings like &#39;Y-m-d&#39; to compare but this seems awkward.

    $firstDate = date_format($firstDateTimeObj, &#39;Y-m-d&#39;);
    $secondDate = date_format($secondDateTimeObj, &#39;Y-m-d&#39;);
    
    if !($firstDate == $secondDate) {
   
    // some code
    }

I&#39;m new to programming and PHP so any pointers appreciated.

Content Type	Original Author	Original Content on Stackoverflow
Question	Mike	View Question on Stackoverflow
Solution 1 - Ruby on-Rails	Igor Kapkov	View Answer on Stackoverflow
Solution 2 - Ruby on-Rails	VP.	View Answer on Stackoverflow
Solution 3 - Ruby on-Rails	Ernesto	View Answer on Stackoverflow
Solution 4 - Ruby on-Rails	Vlad Hilko	View Answer on Stackoverflow
Solution 5 - Ruby on-Rails	Jon M	View Answer on Stackoverflow
Solution 6 - Ruby on-Rails	LordKiz	View Answer on Stackoverflow
Solution 7 - Ruby on-Rails	Mike	View Answer on Stackoverflow

Rails DateTime.now without Time

Ruby on-Rails Problem Overview

Ruby on-Rails Solutions

Solution 1 - Ruby on-Rails

Solution 2 - Ruby on-Rails

Solution 3 - Ruby on-Rails

Solution 4 - Ruby on-Rails

Solution 5 - Ruby on-Rails

Solution 6 - Ruby on-Rails

Solution 7 - Ruby on-Rails

How to get few lines from a .gz compressed file without uncompressing

converting int to real in sqlite

Attributions