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Effects of the extern keyword on C functions
...s something declared in foo.c when it's linked, and foo.c needs a function from bar.c when it's linked.
By using 'extern', you are telling the compiler that whatever follows it will be found (non-static) at link time; don't reserve anything for it in the current pass since it will be encountered la...
How does RewriteBase work in .htaccess
...r developers reading your rules will grasp these more easily.
Quoting from Jon Lin's excellent in-depth answer here:
In an htaccess file, mod_rewrite works similar to a <Directory> or <Location> container. and the RewriteBase is used to provide a relative path base.
For example, s...
How to TryParse for Enum value?
...is available and works without extra coding. More information is available from MSDN: msdn.microsoft.com/library/vstudio/dd991317%28v=vs.100%29.aspx
– Christian
Sep 19 '13 at 9:36
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How can I use PowerShell with the Visual Studio Command Prompt?
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Stealing liberally from here: http://allen-mack.blogspot.com/2008/03/replace-visual-studio-command-prompt.html, I was able to get this to work. I added the following to my profile.ps1 and all is well with the world.
pushd 'c:\Program Files (x...
Python: Fetch first 10 results from a list [duplicate]
Is there a way we can fetch first 10 results from a list. Something like this maybe:
4 Answers
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python: SyntaxError: EOL while scanning string literal
...is this string really?
I suspect there is a limit to how long a line read from a file or from the commandline can be, and because the end of the line gets choped off the parser sees something like s1="some very long string.......... (without an ending ") and thus throws a parsing error?
You can sp...
Disable hover effects on mobile browsers
I'm writing a Web site that's meant to be used from both desktops and tablets. When it's being visited from a desktop, I want the clickable areas of the screen to light up with :hover effects (different background color, etc.) With a tablet, there's no mouse, so I don't want any hover effects.
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What's the difference between [ and [[ in Bash? [duplicate]
...| logical operators within the brackets to combine subexpressions
Aside from that, they're pretty similar -- most individual tests work identically between them, things only get interesting when you need to combine different tests with logical AND/OR/NOT operations.
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Why use non-member begin and end functions in C++11?
...cialArray::valueAt(int);
to iterate over it's values you need to inherit from this class and define begin() and end() methods for cases when
auto i = v.begin();
auto e = v.end();
But if you always use
auto i = begin(v);
auto e = end(v);
you can do this:
template <>
SpecialArrayItera...
Chain-calling parent initialisers in python [duplicate]
Consider this - a base class A, class B inheriting from A, class C inheriting from B. What is a generic way to call a parent class initialiser in an initialiser? If this still sounds too vague, here's some code.
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