大约有 47,000 项符合查询结果（耗时：0.0435秒） [XML]
What is the difference between and ? [duplicate]
...amic or static please can you help me here thanks or it will be treated as string ${someVar}
– shareef
Dec 8 '14 at 13:32
...
Scala: Nil vs List()
...t? Example - scala> Map(1 -> "hello", 2 -> "world").foldLeft(List[String]())( (acc, el) => acc :+ el._2) res1: List[String] = List(hello, world) Using Nil as the accumulator here wouldn't work.
– Kevin Meredith
Nov 17 '13 at 4:57
...
What's the difference between utf8_general_ci and utf8_unicode_ci?
...OLLATE ... and Description LIKE 'test%' COLLATE ... only process a single string ("test") at runtime, don't they? 3) In real apps, columns used in ordering would probably be indexed, and indexing speed on different collations with real non-ASCII text might differ.
– Halil Özg...
GCC compile error with >2 GB of code
...u can do this:
change the generator program to output offsets instead of strings (i.e. instead of the string "s.ds0" it will produce offsetof(ProcessVars, ds0)
create an array of such offsets
write an evaluator which accepts the array above and the base addresses of the structure pointers and pro...
Position of least significant bit that is set
...nux man page
Name
ffs - find first bit set in a word
Synopsis
#include <strings.h>
int ffs(int i);
#define _GNU_SOURCE
#include <string.h>
int ffsl(long int i);
int ffsll(long long int i);
Description
The ffs() function returns the position of the first (least significant) bit set in th...
How to call asynchronous method from synchronous method in C#?
...;TUser, TKey>(this UserManager<TUser, TKey> manager, TKey userId, string role) where TUser : class, IUser<TKey> where TKey : IEquatable<TKey>
{
if (manager == null)
{
throw new ArgumentNullException("manager");
}
return AsyncHelper.RunSync<bool>(() ...
Event system in Python
...t to publish is
determined by 'signal', which is nothing more than a name (string).
Mediator pattern
Might be of interest as well: the Mediator pattern.
Hooks
A 'hook' system is usally used in the context of application plugins. The
application contains fixed integration points (hooks), and each pl...
How to resize superview to fit all subviews with autolayout?
..."
#import "TSTableViewCell.h"
@implementation TSTableViewController
- (NSString*) cellText
{
return @"Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.";
}
#pragma mark - Table view data source
- (NSInteger) numberOfS...
C#: Difference between List and Collection (CA1002, Do not expose generic lists) [duplicate]
...lity in mind it's very flexible. If in the future you decide you need some extra feature in the collection you can just extend it without any change to the public interface of the class. If you had used a list, you would have had to change it to a collection which means it would have broken all of t...
View HTTP headers in Google Chrome?
...that allows you to view request-, response headers and cookies without any extra clicks right after the page is loaded.
It also handles redirects. It comes with an unobtrusive micro-mode that only shows a hand picked selection of response headers and a normal mode that shows all the information.
h...