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Ruby, Difference between exec, system and %x() or Backticks
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Why are C# 3.0 object initializer constructor parentheses optional?
It seems that the C# 3.0 object initializer syntax allows one to exclude the open/close pair of parentheses in the constructor when there is a parameterless constructor existing. Example:
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How can I limit a “Run Script” build phase to my release configuration?
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edited Mar 3 '11 at 20:30
answered Aug 31 '10 at 23:55
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How can Bash execute a command in a different directory context?
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You can use the cd builtin, or the pushd and popd builtins for this purpose. For example:
# do...
Can I return the 'id' field after a LINQ insert?
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Matplotlib (pyplot) savefig outputs blank image
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First, what happens when T0 is not None? I would test that, then I would adjust the values I p...
Argmax of numpy array returning non-flat indices
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CSS last-child selector: select last-element of specific class, not last child inside of parent?
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:last-child only works when the element in question is the last child of the container, not the...
How to exclude specific folders or files from validation in Eclipse?
... > Validation
– mmigdol
Jun 29 '13 at 1:08
What about for kinds of file that are not listed in Validation? .less fi...
Redis消息通知系统的实现 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...何查询消息的。
先插入三条消息，其<MSGID>分别是1，2，3：
redis> HMSET msg:1 title title1 content content1
redis> HMSET msg:2 title title2 content content2
redis> HMSET msg:3 title title3 content content3
再把这三条消息发送给某个用户，其<USRID>是123：
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