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What is the difference between NULL, '\0' and 0?
...means the value of the pointer is 0, independent of whether it is 32bit or 64bit (one case 4 bytes the other 8 bytes of zeroes).
string context - the character representing the digit zero has a hex value of 0x30, whereas the NUL character has hex value of 0x00 (used for terminating strings).
These...
Apply pandas function to column to create multiple new columns?
...me column or series you have to create a dataframe of multiple new columns based on a transformation on the original column/series. The transformation function often returns k-tuples, and these k-tuples must be separated into k columns, based on some order. @Ben's answer clearly does this very neatl...
Shell command to sum integers, one per line?
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1364
+500
Bit of ...
C/C++ line number
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64
As part of the C++ standard there exists some pre-defined macros that you can use. Section 16....
Show Youtube video source into HTML5 video tag?
...ey can play the youtube video, using HTML5, or flash, or some other plugin based on what is available on the users PC. This is why you are having a difficult time using the video tag with youtube videos.
YouTube does offer a developer API to embed a youtube video into your page.
I made a JSFiddle ...
Is there a way to make npm install (the command) to work behind proxy?
... Keep in mind that the username:password stored in Proxy-Authorization is base64 encoded.
– BStruthers
May 21 '13 at 13:18
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jquery if div id has children
...use $('#id').children().length > 0 to test if an element has children.
Demo
var test1 = $('#test');
var test2 = $('#test2');
if(test1.children().length > 0) {
test1.addClass('success');
} else {
test1.addClass('failure');
}
if(test2.children().length > 0) {
tes...
C# vs C - Big performance difference
... C++ application may perform more slowly than the corresponding C# or .NET based application. When specifying the project properties on your C++ application, make sure you enable "full optimization" and "favour fast code". If you have a 64 bit machine, you MUST specify to generate x64 as the target ...
'python' is not recognized as an internal or external command [duplicate]
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Darrell O'DonnellDarrell O'Donnell
52644 silver badges66 bronze badges
1
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How to remove close button on the jQuery UI dialog?
...our suggestion works well when using the example provided by the jquery ui demo site with ASP.NET v2.0 in an .aspx page. jqueryui.com/demos/dialog/modal-form.html
– Matthew Dally
Feb 14 '12 at 13:53
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