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Why is it impossible to build a compiler that can determine if a C++ function will change the value
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Why is it impossible to build such a compiler?
For the sam>me m> reason that you can't write a program that will determine whether any given program will terminate. This is known as the halting problem, and it's one of those things that's not computable.
To be clear, you can write a co...
How do I get the path of the assembly the code is in?
...path = Uri.UnescapeDataString(uri.Path);
return Path.GetDirectoryNam>me m>(path);
}
}
The Assembly.Location property som>me m>tim>me m>s gives you som>me m> funny results when using NUnit (where assemblies run from a temporary folder), so I prefer to use CodeBase which gives you the path in URI format, th...
What does “hashable” m>me m>an in Python?
I tried searching internet but could not find the m>me m>aning of hashable.
9 Answers
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How to split a long regular expression into multiple lines in JavaScript?
...ral to a string you need to escape all backslashes as backslashes are consum>me m>d when evaluating a string literal. (See Kayo's comm>me m>nt for more detail.)
RegExp accepts modifiers as a second param>me m>ter
/regex/g => new RegExp('regex', 'g')
[Addition ES20xx (tagged template)]
In ES20xx you can use ...
When is a CDATA section necessary within a script tag?
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A CDATA section is required if you need your docum>me m>nt to parse as XML (e.g. when an XHTML page is interpreted as XML) and you want to be able to write literal i<10 and a && b instead of i<10 and a && b, as XHTML will parse the JavaScript co...
Rails Observer Alternatives for 4.0
...extracted gem.) While Observers were certainly abused and could easily becom>me m> unwieldily at tim>me m>s, there were many use-cases outside of just cache-clearing where they were beneficial.
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How can I produce an effect similar to the iOS 7 blur view?
...[UIColor clearColor];
UIToolbar* bgToolbar = [[UIToolbar alloc] initWithFram>me m>:myView.fram>me m>];
bgToolbar.barStyle = UIBarStyleDefault;
[myView.superview insertSubview:bgToolbar belowSubview:myView];
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Is there any overhead to declaring a variable within a loop? (C++)
...t wondering if there would be any loss of speed or efficiency if you did som>me m>thing like this:
13 Answers
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new keyword in m>me m>thod signature
While performing a refactoring, I ended up creating a m>me m>thod like the example below. The datatype has been changed for simplicity's sake.
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jQuery load more data on scroll
I am just wondering how can i implem>me m>nt more data on scroll only if the div.loading is visible.
9 Answers
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