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What does “@@ -1 +1 @@” mean in Git's diff output?
...ime
+++ to-file to-file-modification-time
The time stamp looks like 2002-02-21 23:30:39.942229878 -0800 to indicate the date, time with fractional seconds, and time zone. The fractional seconds are omitted on hosts that do not support fractional time stamps.
You can change the header's co...
How do I initialize the base (super) class?
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Python (until version 3) supports "old-style" and new-style classes. New-style classes are deriv...
What does '--set-upstream' do?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Aug 3 '13 at 10:48
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cancelling queued performSelector:afterDelay calls
...lector
[self performSelector:@selector(mySel:) withObject:nil afterDelay:5.0];
// cancel the above call (and any others on self)
[NSObject cancelPreviousPerformRequestsWithTarget:self];
See apple docs, it's right at the end of the performSelector:withObject:afterDelay: description.
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Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...你把他的源码下下来编译后，你会发现解释器居然不到200k，这是多么地变态啊（/bin/sh都要1M，MacOS平台），而且能和C语言非常好的互动。我很好奇得浏览了一下Lua解释器的源码，这可能是我看过最干净的C的源码了。我不想写一...
How to split a string at the first `/` (slash) and surround part of it in a ``?
I want to format this date: <div id="date">23/05/2013</div> .
7 Answers
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Batch file to copy directories recursively
...eve Wranovsky
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answered Nov 9 '12 at 19:13
lc.lc.
102k2020 gold badges14314...
bash HISTSIZE vs. HISTFILESIZE?
...ong answer:
All the info above + some examples:
Example 1:
HISTFILESIZE=10 and HISTSIZE=10
You start your session.
Your HISTFILE (file that stores your bash command history), is truncated to contain HISTFILESIZE=10 lines.
You write 50 lines.
At the end of your 50 commands, only commands 41 to ...
adding header to python requests module
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answered Dec 31 '11 at 2:07
tkonetkone
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Where did the name `atoi` come from?
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edited May 26 '10 at 2:47
answered May 26 '10 at 2:23
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