大约有 40,000 项符合查询结果（耗时：0.0706秒） [XML]
What is the “assert” function?
...
assert will terminate the program (usually with a message quoting the assert statement) if its argument turns out to be false. It's commonly used during debugging to make the program fail more obviously if an unexpected condition occurs.
For example:
assert(len...
Double Negation in C++
...ernel). For GCC, they're implemented as follows:
#define likely(cond) (__builtin_expect(!!(cond), 1))
#define unlikely(cond) (__builtin_expect(!!(cond), 0))
Why do they have to do this? GCC's __builtin_expect treats its parameters as long and not bool, so there needs to be some form of conver...
Unsubscribe anonymous method in C#
...ered Oct 8 '08 at 15:33
Jacob KrallJacob Krall
24.8k66 gold badges5757 silver badges7373 bronze badges
...
Why shouldn't I use “Hungarian Notation”?
...me with its kind (using Joel's example: safe string or unsafe string), so called Apps Hungarian has its uses and is still valuable.
share
edited Sep 26 '08 at 19:56
...
UICollectionView reloadData not functioning properly in iOS 7
...nd probing. I feel this is an iOS 7 bug. Forcing the main thread will run all UIKit related messages. I seem to run into this when popping to the view from another view controller. I refresh the data on viewWillAppear. I could see the data and collection view reload call, but the UI was not updat...
Age from birthdate in python
...
That probably depends on your definition of "age". For all practical purposes a birthday is usually given as a date, not timezone-aware datetime (i.e., "born" is missing the details). Most people are not born at midnight sharp (so usually observe prematurely :-)), and when in a d...
How to close current tab in a browser window?
...ndow.close();
or you can specify a different window.
So:
function close_window() {
if (confirm("Close Window?")) {
close();
}
}
with HTML:
<a href="javascript:close_window();">close</a>
or:
<a href="#" onclick="close_window();return false;">close</a>
You r...
How do I get the file extension of a file in Java?
...
Do you really need a "parser" for this?
String extension = "";
int i = fileName.lastIndexOf('.');
if (i > 0) {
extension = fileName.substring(i+1);
}
Assuming that you're dealing with simple Windows-like file names, not som...
How to replace multiple substrings of a string?
...t overengineered? because this way we do it in one pass (=fast), and we do all the replacements at the same time, avoiding clashes like "spamham sha".replace("spam", "eggs").replace("sha","md5") being "eggmd5m md5" instead of "eggsham md5"
– flying sheep
Sep 4 ...
Open Source Alternatives to Reflector? [closed]
...ctor ? I'm interested in checking out how a tool similar to Reflector actually works.
10 Answers
...