大约有 47,000 项符合查询结果(耗时:0.0581秒) [XML]

https://stackoverflow.com/ques... 

Changing the cursor in WPF sometimes works, sometimes doesn't

...deCursor: Mouse.OverrideCursor = Cursors.Wait; try { // do stuff } finally { Mouse.OverrideCursor = null; } This overrides the cursor for your application rather than just for a part of its UI, so the problem you're describing goes away. ...
https://stackoverflow.com/ques... 

Why does printf not flush after the call unless a newline is in the format string?

Why does printf not flush after the call unless a newline is in the format string? Is this POSIX behavior? How might I have printf immediately flush every time? ...
https://stackoverflow.com/ques... 

Storing SHA1 hash values in MySQL

...INARY(20) and CHAR(40). CREATE TABLE `binary` ( `id` int unsigned auto_increment primary key, `password` binary(20) not null ); CREATE TABLE `char` ( `id` int unsigned auto_increment primary key, `password` char(40) not null ); With million of records binary(20) takes 44.56M, whil...
https://stackoverflow.com/ques... 

How do you create nested dict in Python?

...he following: d = {} # can use defaultdict(dict) instead for row in file_map: # derive row key from something # when using defaultdict, we can skip the next step creating a dictionary on row_key d[row_key] = {} for idx, col in enumerate(row): d[row_key][idx] = col Ac...
https://stackoverflow.com/ques... 

Difference between require, include, require_once and include_once?

...n that you do not want to happen twice due to the HTTP overhead But basically, it's up to you when to use which. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

How to get the current directory in a C program?

...been looking at opendir() and telldir() , but telldir() returns a off_t (long int) , so it really doesn't help me. 6...
https://stackoverflow.com/ques... 

How to write a JSON file in C#?

...ializeObject(_data.ToArray()); //write string to file System.IO.File.WriteAllText(@"D:\path.txt", json); Or the slightly more efficient version of the above code (doesn't use a string as a buffer): //open file stream using (StreamWriter file = File.CreateText(@"D:\path.txt")) { JsonSerializ...
https://stackoverflow.com/ques... 

Position of least significant bit that is set

...is very slow compared to multiplication on modern hardware. So I wouldn't call it a better solution. – Apriori Mar 28 '14 at 1:37 2 ...
https://stackoverflow.com/ques... 

How to have the cp command create any necessary folders for copying a file to a destination [duplica

... the mkdir/cp command above. It just creates a single level of folder. Actually I'm not sure when it can be useful. – Penghe Geng Apr 13 '15 at 14:30 ...
https://stackoverflow.com/ques... 

Where to find extensions installed folder for Google Chrome on Mac?

... You can find all Chrome extensions in below location. /Users/{mac_user}/Library/Application Support/Google/Chrome/Default/Extensions share | ...