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Which Eclipse files belong under version control?
...in - to force a reinitialization of the eclipse metadata. But this option, if checked, will remove your detailed launch parameters!)
project-dir/.project
project-dir/.classpath
project-dir/.settings/*
should be in your SCM (especially .project and .classpath according to the Eclipse documentatio...
ZeroMQ实例-使用ZMQ(ZeroMQ)进行局域网内网络通信 - C/C++ - 清泛网 - 专注C/C++及内核技术
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//创建context，zmq的socket 需要在context上进行创建
if((pCtx = zmq_ctx_new()) == NULL)
{
return 0;
}
//创建zmq socket ，socket目前有6中属性 ，这里使用dealer方式
//具体使用方式请参考zmq官方文档（zmq手册）
if((p...
Default value of BOOL
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There is no default value if you write
-(void)somemethod {
BOOL x; // <--- no default value
It is initialized to garbage.
However, for a BOOL ivar, it will be initialized to NO, as the whole instance is filled with 0 on initialization.
(Not...
Fragments onResume from back stack
... FragmentManager manager = getSupportFragmentManager();
if (manager != null)
{
MyFragment currFrag = (MyFragment) manager.findFragmentById(R.id.fragmentItem);
currFrag.onFragmentResume();
} ...
How to split a sequence into two pieces by predicate?
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You can also use foldLeft if you need something a little extra. I just wrote some code like this when partition didn't cut it:
val list:List[Person] = /* get your list */
val (students,teachers) =
list.foldLeft(List.empty[Student],List.empty[Teac...
How should I escape commas and speech marks in CSV files so they work in Excel?
... to this.
Excel will only respect the escaping of commas and speech marks if the column value is NOT preceded by a space. So generating the file without spaces like this...
Reference,Title,Description
1,"My little title","My description, which may contain ""speech marks"" and commas."
2,"My other ...
Disable copy constructor
... unnecessary and deleting them prevents some cases of unexpected behavior. If a situation occurs where a copy ctor may be needed, determine if it can be done with move semantics. If this is undesirable, provide an implementation for both(!) the copy ctor and assignment operator. Whether this is a go...
How to do multiple arguments to map function where one remains the same in python?
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@Shan: Very similar, especially if add() is a non-trivial function
– Sven Marnach
May 31 '12 at 13:52
2
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LEFT JOIN vs. LEFT OUTER JOIN in SQL Server
What is the difference between LEFT JOIN and LEFT OUTER JOIN ?
12 Answers
12
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setNeedsLayout vs. setNeedsUpdateConstraints and layoutIfNeeded vs updateConstraintsIfNeeded
I know that the auto layout chain consists in basically 3 different process.
2 Answers
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