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How to initialize private static members in C++?
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The class declaration should be in the header file (Or in the source file if not shared).
File: foo.h
class foo
{
private:
static int i;
};
But the initialization should be in source file.
File: foo.cpp
int foo::i = 0;
If the initialization is in the header file then each file tha...
Remove elements from collection while iterating
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Let me give a few examples with some alternatives to avoid a ConcurrentModificationException.
Suppose we have the following collection of books
List<Book> books = new ArrayList<Book>();
books.add(new Book(new ISBN("0-201-63361-2")));
books.add(new Book(new ISBN("0-201-63361-3")));
boo...
Redirecting from HTTP to HTTPS with PHP
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Try something like this (should work for Apache and IIS):
if (empty($_SERVER['HTTPS']) || $_SERVER['HTTPS'] === "off") {
$location = 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
header('HTTP/1.1 301 Moved Permanently');
header('Location: ' . $location);
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UITextfield leftView/rightView padding on iOS7
...itWithCoder:(NSCoder*)coder {
self = [super initWithCoder:coder];
if (self) {
self.clipsToBounds = YES;
[self setRightViewMode:UITextFieldViewModeUnlessEditing];
self.leftView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"textfield_edit_icon.png"]];
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Default value to a parameter while passing by reference in C++
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if i make it const, will it allow me to pass a different address to the function? or will the address of State be always 0 and so meaningless?
– Sony
Jun 29 '09 at 18:10
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do N times (declarative syntax)
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If you're not interested in any arguments passed, use .forEach(something)
– kvsm
Jul 9 '18 at 0:44
a...
Can a Windows batch file determine its own file name?
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%0 returns the way the file was called. If a full path was used, %0 will have that. If you cd into the dir first and execute the batch from there, %0 will usually not have the path info (but you could get that from %cd% in that case)
– Gogowit...
How can I check if a method is static using reflection?
...un-time ONLY the static Methods of a class, how can I do this?
Or, how to differentiate between static and non-static methods.
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Can I load a UIImage from a URL?
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@Daniel: it does work if I use a string constant instead of the NSString I was passing in. So this latest problem was something wrong with my NSString, not a problem with the NSURL/NSData/UIImage code which works. Thanks Daniel!
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Should I use past or present tense in git commit messages? [closed]
...This patch] makes xyzzy do frotz" or "[I] changed xyzzy
to do frotz", as if you are giving orders to the codebase to change
its behavior.
So you'll see a lot of Git commit messages written in that style. If you're working on a team or on open source software, it is helpful if everyone sticks t...