大约有 48,000 项符合查询结果（耗时：0.0604秒） [XML]
Get value from JToken that may not exist (best practices)
...e sake of moving my code to a platform that has a better JSON parser (say, Win8 for example). So, for what I asked, yes, your code would be perfect.
– Paul Hazen
Mar 17 '12 at 23:27
...
Suppress warning “Category is implementing a method which will also be implemented by its primary cl
...in it. Ideally, singletons should be injected into code as a protocol, allowing you to switch out the implementation. But if you already have one embedded inside your code, you can add a category of the singleton in your unit test and overide the sharedInstance and the methods you what to control to...
Why does Java's hashCode() in String use 31 as a multiplier?
... subtract instruction. However, if your multiplier is slow this is still a win. Modern processors tend to have fast multipliers so it doesn't make much difference, so long as 32 goes on the correct side.
It's not a great hash algorithm, but it's good enough and better than the 1.0 code (and very mu...
When to use enumerateObjectsUsingBlock vs. for
...mes down to personal preference. For me, the idiomatic and readable option wins. In this case, that is Fast Enumeration using for-in.
Benchmark:
NSMutableArray *arr = [NSMutableArray array];
for (int i = 0; i < 100; i++) {
arr[i] = [NSString stringWithFormat:@"%d", i];
}
int i;
__block NSUI...
Optimistic vs. Pessimistic locking
...database systems define terms such as SESSION setting.
Nowadays, over the Internet, we no longer execute reads and writes in the context of the same database transaction, and ACID is no longer sufficient.
For instance, consider the following use case:
Without optimistic locking, there is no way...
How do I “source” something in my .vimrc file?
...:set yy bbbb4dw
The only file sourced by default is the .vimrc(_vimrc on windows) so that's a place you can keep all the commands you use to set up Vim every time.
Where it gets interesting is the fact that since a sourced file is just a series of commands, and sourcing is a command, you can sour...
Async call with await in HttpClient never returns
...a call I am making from inside a xaml-based, C# metro application on the Win8 CP; this call simply hits a web service and returns JSON data.
...
Java: how do I get a class literal from a generic type?
...methods a la Method method = clzz.getDeclaredMethod("getSomeFoo"); so much win! Thank YOU!
– Naruto Sempai
Feb 9 '17 at 2:12
add a comment
|
...
How large should my recv buffer be when calling recv in the socket library
...t for maximum throughput?
What is the largest Safe UDP Packet Size on the Internet
share
|
improve this answer
|
follow
|
...
Removing the remembered login and password list in SQL Server Management Studio
...rosoft\Microsoft SQL Server\100\Tools\Shell\SqlStudio.bin worked for me in Win7.
– IsmailS
Jul 22 '10 at 5:24
...