大约有 41,000 项符合查询结果(耗时:0.0572秒) [XML]
How can I make grep print the lines below and above each matching line? [duplicate]
I have to parse a very large file and I want to use the command grep (or any other tool).
3 Answers
...
How do I pick 2 random items from a Python set? [duplicate]
I currently have a Python set of n size where n >= 0. Is there a quick 1 or 2 lines Python solution to do it? For example, the set will look like:
...
How do I set a JLabel's background color?
In my JPanel , I set the background of a JLabel to a different color. I can see the word "Test" and it's blue, but the background doesn't change at all. How can I get it to show?
...
JavaScript .replace only replaces first Match [duplicate]
...og(result);
You can play with it here, the default .replace() behavior is to replace only the first match, the /g modifier (global) tells it to replace all occurrences.
share
|
improve this a...
What is the difference between .py and .pyc files? [duplicate]
...ytecode of Python source files. The Python interpreter loads .pyc files before .py files, so if they're present, it can save some time by not having to re-compile the Python source code. You can get rid of them if you want, but they don't cause problems, they're not big, and they may save some time ...
How can I capture the right-click event in JavaScript? [duplicate]
...lt;div oncontextmenu="javascript:alert('success!');return false;">
Lorem Ipsum
</div>
And using event listeners (credit to rampion from a comment in 2011):
el.addEventListener('contextmenu', function(ev) {
ev.preventDefault();
alert('success!');
return false;
}, false);
Do...
open a url on click of ok button in android
...
OR startActivity(new Intent(Intent.ACTION_VIEW,Uri.parse("http://www.google.com"))
– Chris - Jr
May 29 '17 at 0:28
...
How to get a random number between a float range?
...
Use random.uniform(a, b):
>>> random.uniform(1.5, 1.9)
1.8733202628557872
share
|
improve this answer
|
...
Create a symbolic link of directory in Ubuntu [closed]
Below is my code for creating a symlink of a directory:
3 Answers
3
...
How do I convert hex to decimal in Python? [duplicate]
...
If by "hex data" you mean a string of the form
s = "6a48f82d8e828ce82b82"
you can use
i = int(s, 16)
to convert it to an integer and
str(i)
to convert it to a decimal string.
share
...
