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How do I convert a string to a number in PHP?
... IMHO, This is the only correct answer because it is the only one that takes the radix of the numeric string into consideration. All of the responses (even those suggesting a user-defined function) that simply use a type cast will fail if the numeric string has one or more leading zero...
Why are regular expressions so controversial? [closed]
... this sort of “grammatical regex” can be found in this answer and this one. These look much more like a grammatical declaration.
As the latter reminds you:
… make sure never to write line‐noise patterns. You don’t have to, and you shouldn’t. No programming language can be maintaina...
How do I migrate an SVN repository with history to a new Git repository?
...
Magic:
$ git svn clone http://svn/repo/here/trunk
Git and SVN operate very differently. You need to learn Git, and if you want to track changes from SVN upstream, you need to learn git-svn. The git-svn main page has a good examples section:...
jQuery Determine if a matched class has a given id
...Note that it won't apply to all #foo elements (though there should only be one), and it won't apply to all .bar elements (though there may be many). It will only reference elements that qualify on both attributes.
jQuery also has a great .is method that lets your determine whether an element has ce...
MetadataException: Unable to load the specified metadata resource
...xed it by simply setting "Embed"; compiling, then reseting it to the other one. That solved my problem.
– Shimmy Weitzhandler
Dec 7 '10 at 3:12
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Return a `struct` from a function in C
Today I was teaching a couple of friends how to use C struct s. One of them asked if you could return a struct from a function, to which I replied: "No! You'd return pointers to dynamically malloc ed struct s instead."
...
std::wstring VS std::string
...world, before the advent of Unicode.
So their solution was an interesting one: If an application works with char, then the char strings are encoded/printed/shown on GUI labels using the local charset/codepage on the machine. For example, "olé" would be "olé" in a French-localized Windows, but wou...
Is there a REAL performance difference between INT and VARCHAR primary keys?
...s stuff could get screwed up" and "I have to make sure both are changed if one is ever changed". If you have redundancy, there should be a very good reason (like completely unacceptable performance) because redundancy is always potential for your data to become inconsistent.
– ...
Is it possible to set the stacking order of pseudo-elements below their parent element? [duplicate]
...
Only one comment to this code: if parent div (parent of owner of pseudo element) has a background (say body tag) it will overlap pseudo element background. To fix it parent div must be set to relative positioning and z-index value...
How does std::move() transfer values into RValues?
...s that first instantiation can be used with rvalues only, while the second one works with lvalues.
To explain why do we need remove_reference a bit more, let's try this function
template <typename T>
T&& wanna_be_move(T&& arg)
{
return static_cast<T&&>(arg);...