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Drop unused factor levels in a subsetted data frame
...actors, use character vectors instead. I think this makes more sense than patching things up afterwards. Try the following before loading your data with read.table or read.csv:
options(stringsAsFactors = FALSE)
The disadvantage is that you're restricted to alphabetical ordering. (reorder is y...
CentOS+Nginx+PHP+MySQL详细配置(图解) - 更多技术 - 清泛网 - 专注C/C++及内核技术
...下
#tar xvf php-5.3.0.tar.bz2
#gzip -cd php-5.3.0-fpm-0.5.12.diff.gz | patch -d php-5.3.0 -p1 //将php-5.3.0-fpm-0.5.12.diff.gz以补丁形式加到php-5.3.0里面
#cd php-5.3.0
#./configure --prefix=/usr/local/php --with-gd=/usr/local/gd --with-jpeg-dir=/usr/local/jpeg --with-png-dir=/...
How do I prevent 'git diff' from using a pager?
..., the S flag harms users who review untrusted code within a pager, since a patch looking like:
-old code;
+new good code; [... lots of tabs ...] malicious code;
would appear identical to:
-old code;
+new good code;
Users who prefer the old behavior can still set the $LESS environment v...
Git: how to reverse-merge a commit?
...'t do what the original poster is asking. The OP is trying to do a reverse patch to undo previous changes, not erase the history of the previous changes altogether.
– user456814
Jul 16 '14 at 21:54
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What is `git diff --patience` for?
...s have diverged
dramatically and the developer isn't being careful to keep patch sizes
under control. Under those circumstances a diff algorithm can occasionally
become 'misaligned' in that it matches long sections of curly brackets
together, but it winds up correlating the curly brackets of functio...
Different between parseInt() and valueOf() in java?
...ample of an implementation detail; it could even be increased in size in a patch release, and you should never rely on it for anything.
– Donal Fellows
Aug 10 '10 at 15:43
...
How to get the mouse position without events (without moving the mouse)?
...t 2020: This does not work any more. It seems so, that the browser vendors patched this out. Because the most browsers rely on chromium, it might be in its core.
Old answer:
You can also hook mouseenter (this event is fired after page reload, when the mousecursor is inside the page). Extending Corr...
Using Spring MVC Test to unit test multipart POST request
... multipart uses POST method. Can anybody provide me this example but with PATCH method?
– lalilulelo_1986
Mar 17 at 15:53
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In C#, how do I calculate someone's age based on a DateTime type birthday?
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I don't think Harry Patch would have appreciated your spot-testing methodology: latimes.com/news/obituaries/…
– MusiGenesis
Aug 1 '09 at 16:03
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How do I add multiple arguments to my custom template filter in a django template?
...ject.com/ticket/1199] supports multiple arguments in a custom filter and a patch has been accepted.
– Jeff Bauer
Oct 2 '11 at 16:13
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