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Why must we define both == and != in C#?
...he C# compiler requires that whenever a custom type defines operator == , it must also define != (see here ).
13 Answer...
Why does !{}[true] evaluate to true in JavaScript?
...cause plain {}[true] is parsed as an empty statement block (not an object literal) followed by an array containing true, which is true.
On the other hand, applying the ! operator makes the parser interpret {} as an object literal, so the following {}[true] becomes a member access that returns undef...
Google Maps Android API v2 - Interactive InfoWindow (like in original android google maps)
I am trying to a make custom InfoWindow after a click on a marker with the new Google Maps API v2. I want it to look like in the original maps application by Google. Like this:
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When should I use Inline vs. External Javascript?
I would like to know when I should include external scripts or write them inline with the html code, in terms of performance and ease of maintenance.
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Reference requirements.txt for the install_requires kwarg in setuptools setup.py file
I have a requirements.txt file that I'm using with Travis-CI. It seems silly to duplicate the requirements in both requirements.txt and setup.py , so I was hoping to pass a file handle to the install_requires kwarg in setuptools.setup .
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Fastest Way to Serve a File Using PHP
...ying to put together a function that receives a file path, identifies what it is, sets the appropriate headers, and serves it just like Apache would.
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What is the difference between “JPG” / “JPEG” / “PNG” / “BMP” / “GIF” / “TIFF” Image?
...le extensions).
Wikipedia entries for each of the formats will give you quite a bit of information:
JPEG (or JPG, for the file extension; Joint Photographic Experts Group)
PNG (Portable Network Graphics)
BMP (Bitmap)
GIF (Graphics Interchange Format)
TIFF (or TIF, for the file extension; Tagged I...
Cookie blocked/not saved in IFRAME in Internet Explorer
I have two websites, let's say they're example.com and anotherexample.net .
On anotherexample.net/page.html , I have an IFRAME SRC="http://example.com/someform.asp" . That IFRAME displays a form for the user to fill out and submit to http://example.com/process.asp . When I open the form (" som...
Git vs Team Foundation Server [closed]
I introduced Git to my dev team, and everyone hates it except me. They want to replace
it with Team Foundation Server. I feel like this is a huge step backwards, although I am not very familiar with TFS. Can someone with experience compare branching support on TFS to Git branching? Also, in general,...
Objective-C ARC: strong vs retain and weak vs assign
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From the Transitioning to ARC Release Notes (the example in the section on property attributes).
// The following declaration is a synonym for: @property(retain) MyClass *myObject;
@property(strong) MyClass *myObject;
So strong is the ...