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How do I add a placeholder on a CharField in Django?
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Mike AxiakMike Axiak
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Removing duplicate values from a PowerShell array
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BriscomoBriscomo
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How do I remove packages installed with Python's easy_install?
...uppercase U
– Michael Ekoka
Mar 15 '11 at 1:51
4
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How to avoid “Permission denied” when using pip with virtualenv
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answered Mar 11 '15 at 10:42
VingtoftVingtoft
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SQL - Update multiple records in one query
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177
Try either multi-table update syntax
UPDATE config t1 JOIN config t2
ON t1.config_name =...
Finding a branch point with Git?
...it on topic branch
B: 6aafd7f second commit on master before branching
A: 4112403 initial commit on master
So, the goal: find B. Here are three ways that I found, after a bit of tinkering:
1. visually, with gitk:
You should visually see a tree like this (as viewed from master):
or here (as...
Makefile经典教程（入门必备） - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
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返回：返回连接过后的字符串。
示例：$(join aaa bbb , 111 222 333)返回值是“aaa111 bbb222 333”。
四、foreach 函数
foreach 函数和别的函数非常的不一样。因为这个函数是用来做循环用的，Makefile中的
foreach函数几乎是仿照...
How to fast-forward a branch to head?
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11 Answers
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Active
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Detect backspace in empty UITextField
...t a delete keyboard key press on the iPhone/iOS.
– ma11hew28
Jul 9 '11 at 22:24
6
I can confirm t...
How do I update pip itself from inside my virtual environment?
... old version.
– Zitrax
Dec 2 '13 at 11:46
42
On Windows probably is better to use command like th...