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Python serialization - Why pickle?
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edited Jan 28 '14 at 23:06
answered Jan 23 '12 at 8:45
au...
Force overwrite of local file with what's in origin repo?
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answered Oct 16 '10 at 16:52
AmberAmber
421k7070 gold badges575575 silver badges516516 bronze badges
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MySQL: Sort GROUP_CONCAT values
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390
Sure, see http://dev.mysql.com/doc/refman/...tions.html#function_group-concat:
SELECT student_n...
How to comment in Vim's config files: “.vimrc”?
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kmario23
34.8k1010 gold badges108108 silver badges116116 bronze badges
answered Jan 9 '10 at 7:57
MylesMyles
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How to get a specific “commit” of a gem from github?
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edited Apr 20 '18 at 21:30
jeffmcc
23922 silver badges99 bronze badges
answered May 25 '11...
Pandas: Setting no. of max rows
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Set display.max_rows:
pd.set_option('display.max_rows', 500)
For older versions of pandas (<=0.11.0) you need to change both display.height and display.max_rows.
pd.set_option('display.height', 500)
pd.set_option('display.max_rows', 500)
See also pd.describe_option('display...
三个退出程序消息：WM_CLOSE、WM_DESTROY、WM_QUIT区别 - C/C++ - 清泛网 -...
...消息循环终止，然后程序结束。
3、退出程序语句
exit(0);
postquitmessage(0);
onok();oncancel();
sendmessage(wm_close,0,0);
exitprocess(0);
其中以exit(0)最为迅速，在实践方面
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PHP foreach change original array values
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270
In PHP, passing by reference (&) is ... controversial. I recommend not using it unless you k...
Eager load polymorphic
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209
My guess is that your models look like this:
class User < ActiveRecord::Base
has_many :re...
Regexp Java for password validation
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Try this:
^(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z])(?=.*[@#$%^&+=])(?=\S+$).{8,}$
Explanation:
^ # start-of-string
(?=.*[0-9]) # a digit must occur at least once
(?=.*[a-z]) # a lower case letter must occur at leas...