大约有 40,000 项符合查询结果（耗时：0.0446秒） [XML]
How to erase the file contents of text file in Python?
...
In python:
open('file.txt', 'w').close()
Or alternatively, if you have already an opened file:
f = open('file.txt', 'r+')
f.truncate(0) # need '0' when using r+
In C++, you could use something similar.
...
How to remove jar file from local maven repository which was added with install:install-file?
I use above command to install local jar into maven local repo. Now I have got the dependency from maven repo. I want to remove this from local repo. How to clean it ?
...
How can I debug javascript on Android?
... days with Chrome for Android remote debugging, we are able to make use of all the goodness of the Chrome for Desktop Developer Tools on Android. Check out https://developers.google.com/chrome-developer-tools/docs/remote-debugging for more information.
Update: JavaScript Console
You can also nav...
Appropriate hashbang for Node.js scripts
...tching back and forth between OS X and Ubuntu. In the former, Node is installed as node , but in the latter it is nodejs . At the top of my script, I can have:
...
How can i take an UIImage and give it a black border?
...
With OS > 3.0 you can do this:
//you need this import
#import <QuartzCore/QuartzCore.h>
[imageView.layer setBorderColor: [[UIColor blackColor] CGColor]];
[imageView.layer setBorderWidth: 2.0];
...
Eclipse and Windows newlines
... you can use the File : Convert Line Delimiters to : Unix command to "fix" all files in the project at once.
– Tal Weiss
Nov 1 '12 at 22:03
add a comment
|...
How to run multiple Python versions on Windows
I had two versions of Python installed on my machine (versions 2.6 and 2.5). I want to run 2.6 for one project and 2.5 for another.
...
GSON throwing “Expected BEGIN_OBJECT but was BEGIN_ARRAY”?
...pe. You can't just try and cast the result like that and expect it to magically work ;)
The User guide for Gson Explains how to deal with this:
https://github.com/google/gson/blob/master/UserGuide.md
This will work:
ChannelSearchEnum[] enums = gson.fromJson(yourJson, ChannelSearchEnum[].class);
...
git working on two branches simultaneously
...r, with a more robust mechanism where those "linked" working trees are actually recorded in the main repo new $GIT_DIR/worktrees folder (so that work on any OS, including Windows).
Again, once you have cloned a repo (in a folder like /path/to/myrepo), you can add worktrees for different branches in...
Symbolic link to a hook in git
...
All this worked for me in the end. The only difference is that I am linking to my own prepare-commit-msg. The problem is if I am editing the commit message using nano, then Ctl+X out to abort, git still completes a commit any...