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How to initialize static variables
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PHP can't parse non-trivial expressions in initializers.
I prefer to work around this by adding code right after definition of the class:
class Foo {
static $bar;
}
Foo::$bar = array(…);
or
class Foo {
private static $bar;
static function init()
{
self::$bar = array(…);
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How to delete from multiple tables in MySQL?
I am trying to delete from a few tables at once. I've done a bit of research, and came up with this
7 Answers
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How to repeat a string a variable number of times in C++?
I want to insert 'n' spaces (or any string) at the beginning of a string in C++. Is there any direct way to do this using either std::strings or char* strings?
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jquery ui Dialog: cannot call methods on dialog prior to initialization
... dialogs worked fine.
While I have a lot of .live handlers, I changed this to .on.
For that, I have to update jquery (now 1.8.3 an jquerui 1.9.1).
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Why do my list item bullets overlap floating elements
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I have found a solution to this problem. Applying an ul { overflow: hidden; } to the ul ensures that the box itself is pushed aside by the float, instead of the contents of the box.
Only IE6 needs an ul { zoom: 1; } in our conditional comments to m...
How can I discard remote changes and mark a file as “resolved”?
...pull from remote branch and there are conflicts. I know that I would like to keep my local changes and ignore the remote changes causing conflicts. Is there a command I can use to in effect say "mark all conflicts as resolved, use local"?
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Xcode “The private key for is not installed on this mac - distributing”
I always get this message when I try to submit my app to the app store.
21 Answers
21
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Converting XML to JSON using Python?
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There is no "one-to-one" mapping between XML and JSON, so converting one to the other necessarily requires some understanding of what you want to do with the results.
That being said, Python's standard library has several modules for parsing...
Function passed as template argument
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Yes, it is valid.
As for making it work with functors as well, the usual solution is something like this instead:
template <typename F>
void doOperation(F f)
{
int temp=0;
f(temp);
std::cout << "Result is " << temp << std::endl;
}
which can ...
how to implement a pop up dialog box in iOS
After a calculation, I want to display a pop up or alert box conveying a message to the user. Does anyone know where I can find more information about this?
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