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How does the Comma Operator work
...aded in C++. The actual behaviour may thus be very different from the one expected.
As an example, Boost.Spirit uses the comma operator quite cleverly to implement list initializers for symbol tables. Thus, it makes the following syntax possible and meaningful:
keywords = "and", "or", "not", "xor"...
Why do you need to put #!/bin/bash at the beginning of a script file?
...
It's a convention so the *nix shell knows what kind of interpreter to run.
For example, older flavors of ATT defaulted to sh (the Bourne shell), while older versions of BSD defaulted to csh (the C shell).
Even today (where most systems run bash, the "...
Can I use multiple versions of jQuery on the same page?
...e-versions-of-jquery/
<!-- load jQuery 1.1.3 -->
<script type="text/javascript" src="http://example.com/jquery-1.1.3.js"></script>
<script type="text/javascript">
var jQuery_1_1_3 = $.noConflict(true);
</script>
<!-- load jQuery 1.3.2 -->
<script type="text/j...
What does the Visual Studio “Any CPU” target mean?
...
so, how do I produce assembly which will JIT to x64 in C++?
– galets
Feb 5 '09 at 16:48
51
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Getting multiple keys of specified value of a generic Dictionary?
...l version:
using System;
using System.Collections.Generic;
using System.Text;
class BiDictionary<TFirst, TSecond>
{
IDictionary<TFirst, IList<TSecond>> firstToSecond = new Dictionary<TFirst, IList<TSecond>>();
IDictionary<TSecond, IList<TFirst>> se...
How to connect android emulator to the internet
...? I've found lots of advice on what do to when your connected through a proxy, but that's not the case here, my machine (Windows 7) is directly connected to the router.
...
How can i query for null values in entity framework?
I want to execute a query like this
14 Answers
14
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Why is extending native objects a bad practice?
Every JS opinion leader says that extending the native objects is a bad practice. But why? Do we get a perfomance hit? Do they fear that somebody does it "the wrong way", and adds enumerable types to Object , practically destroying all loops on any object?
...
How to deal with SettingWithCopyWarning in Pandas?
...hained" assignments, such as the following, which does not always work as expected, particularly when the first selection returns a copy. [see GH5390 and GH5597 for background discussion.]
df[df['A'] > 2]['B'] = new_val # new_val not set in df
The warning offers a suggestion to rewrite as fo...
Determine if code is running as part of a unit test
...need to look at which assemblies are loaded. Look at Ryan's answer for an example.
– Jon Skeet
Jun 5 '13 at 9:14
This ...