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WCF：使用Array替代List - 更多技术 - 清泛网 - 专注C/C++及内核技术
...你能想象我是多么惊讶地看到服务进程的CPU消耗吗？约400K的Image CPU达到了15-20%。我必须考虑一个更好的方案了。
以下是WCF中duplex channel的结构：
[ServiceContract(CallbackContract = typeof(IServiceCallback),
SessionMode = SessionMode.Required)]
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How to position a DIV in a specific coordinates?
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answered Jul 23 '11 at 20:01
Michael BerkowskiMichael Berkowski
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Flexbox and Internet Explorer 11 (display:flex in ?)
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According to http://caniuse.com/#feat=flexbox:
"IE10 and IE11 default values for flex are 0 0 auto rather than 0 1 auto, as per the draft spec, as of September 2013"
So in plain words, if somewhere in your CSS you have something like this: flex:1 , that is not translated the...
How to connect to my http://localhost web server from Android Emulator
...ct it to my localhost web server page at http://localhost or http://127.0.0.1 ?
11 Answers
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Selecting a row of pandas series/dataframe by integer index
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echoing @HYRY, see the new docs in 0.11
http://pandas.pydata.org/pandas-docs/stable/indexing.html
Here we have new operators, .iloc to explicity support only integer indexing, and .loc to explicity support only label indexing
e.g. imagine this scenario
In ...
Can someone explain this 'double negative' trick? [duplicate]
...ue.
The "falsey" values are:
false
NaN
undefined
null
"" (empty string)
0
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Any way to make a WPF textblock selectable?
...ck control.
<TextBox Background="Transparent"
BorderThickness="0"
Text="{Binding Text, Mode=OneWay}"
IsReadOnly="True"
TextWrapping="Wrap" />
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How to create SBT project with IntelliJ Idea?
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170
There are three basic ways how to create a project - modern versions of IntelliJ can import sbt ...
Default value to a parameter while passing by reference in C++
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104
You can do it for a const reference, but not for a non-const one. This is because C++ does not ...
How would I extract a single file (or changes to a file) from a git stash?
...D when the
stash was created.
So you can treat stash (e.g. stash@{0} is first / topmost stash) as a merge commit, and use:
$ git diff stash@{0}^1 stash@{0} -- <filename>
Explanation: stash@{0}^1 means the first parent of the given stash, which as stated in the explanation above is ...