大约有 43,000 项符合查询结果(耗时:0.0551秒) [XML]
Prevent browser from loading a drag-and-dropped file
I'm adding an html5 drag and drop uploader to my page.
10 Answers
10
...
Sort NSArray of date strings or objects
...[NSArray sortedArrayUsingSelector: or -[NSMutableArray sortUsingSelector:] and pass @selector(compare:) as the parameter. The -[NSDate compare:] method will order dates in ascending order for you. This is simpler than creating an NSSortDescriptor, and much simpler than writing your own comparison fu...
Stashing only un-staged changes in Git
...stash push. It differs from "stash push" in that it cannot take pathspecs, and any non-option arguments form the message."
– jocull
Aug 27 '19 at 20:14
| ...
How to pick just one item from a generator?
...__() in py3k. The builtin next(iterator) has been around since Python 2.6, and is what should be used in all new Python code, and it's trivial to backimplement if you need to support py <= 2.5.
– Jonathan Baldwin
Apr 10 '14 at 19:58
...
Is MVC a Design Pattern or Architectural pattern
According to Sun and Msdn it is a design pattern.
10 Answers
10
...
Concatenating two std::vectors
... I'd only add code to first get the number of elements each vector holds, and set vector1 to be the one holding the greatest. Should you do otherwise you're doing a lot of unnecessary copying.
– Joe Pineda
Oct 14 '08 at 16:11
...
Set value for particular cell in pandas DataFrame using index
I've created a Pandas DataFrame
20 Answers
20
...
Iterating each character in a string using Python
...for loop construct,
for example, open("file.txt") returns a file object (and opens the file), iterating over it iterates over lines in that file
with open(filename) as f:
for line in f:
# do something with line
If that seems like magic, well it kinda is, but the idea behind it is re...
grep, but only certain file extensions
...ant.
To take the explanation from HoldOffHunger's answer below:
grep: command
-r: recursively
-i: ignore-case
-n: each output line is preceded by its relative line number in the file
--include \*.cpp: all *.cpp: C++ files (escape with \ just in case you have a directory with asterisks in the fi...
How to get the CPU Usage in C#?
...e properties of processes, but I only want the CPU usage of the processes, and the total CPU like you get in the TaskManager.
...
