大约有 40,000 项符合查询结果（耗时：0.0583秒） [XML]
Android Center text on canvas
... use r.bottom instead.
I have had some problems with Canvas.getHeight() if API < 16. That's why I use Canvas.getClipBounds(Rect) instead. (Do not use Canvas.getClipBounds().getHeight() as it allocates memory for a Rect.)
For reasons of performance, you should allocate objects before they are used...
How to get rid of `deprecated conversion from string constant to ‘char*’` warnings in GCC?
...
THIS IS HORRIBLY BAD PRACTICE, and I'm sad it got all those votes. Warnings are not there so that you ignore them. Warnings are there telling you "dude, you're doing something that could be wrong, be careful", and you should only suppress them when you wanna respond like "sh...
Why use AJAX when WebSockets is available?
...s opens up new application domains to browser applications that were not really possible using HTTP and AJAX (interactive games, dynamic media streams, bridging to existing network protocols, etc).
However, there is certainly an overlap in purpose between WebSockets and AJAX/Comet. For example, whe...
What is the best way to tell if a character is a letter or number in Java without using regexes?
...racter-sets and or display fonts mixed up. Unicode codepoint u00ff is actually the character ÿ. (Lower-case y with an umlaut.) The codepoint that represents ├ is u251c.
– Stephen C
Jun 1 at 11:56
...
How do I check if a given string is a legal/valid file name under Windows?
...than ASCII space)
Any other character that the target file system does not allow (say, trailing periods or spaces)
Any of the DOS names: CON, PRN, AUX, NUL, COM0, COM1, COM2, COM3, COM4, COM5, COM6, COM7, COM8, COM9, LPT0, LPT1, LPT2, LPT3, LPT4, LPT5, LPT6, LPT7, LPT8, LPT9 (and avoid AUX.txt, etc)...
Asp Net Web API 2.1 get client IP address
Hello I need get client IP that request some method in web api,
I have tried to use this code from here but it always returns server local IP,
how to get in correct way ?
...
Check if a table exists in Rails
...? 'kittens'
In Rails 2, 3 & 4 the API is about tables.
# Listing of all tables and views
ActiveRecord::Base.connection.tables
# Checks for existence of kittens table/view (Kitten model)
ActiveRecord::Base.connection.table_exists? 'kittens'
Getting the status of migrations:
# Tells you all...
How to get the browser to navigate to URL in JavaScript [duplicate]
...
This works in all browsers:
window.location.href = '...';
If you wanted to change the page without it reflecting in the browser back history, you can do:
window.location.replace('...');
...
What is the Swift equivalent of respondsToSelector?
...gers warnings for performSelector:).
However, when checking for available APIs, you can still use respondsToSelector:, even if Swift, if you are dealing with NSObject instances:
@interface TestA : NSObject
- (void)someMethod;
@end
@implementation TestA
//this triggers a warning
@end
va...
Why shouldn't all functions be async by default?
...kind words. It is indeed an awesome feature and I am glad to have been a small part of it.
If all my code is slowly turning async, why not just make it all async by default?
Well, you're exaggerating; all your code isn't turning async. When you add two "plain" integers together, you're not awa...