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How to use redis PUBLISH/SUBSCRIBE with nodejs to notify clients when data values change?
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Handle redis errors to stop nodejs from exiting. You can do this by writing;
subcribe.on("error", function(){
//Deal with error
})
I think you get the exception because you are using the same client which is subscribed to publish mes...
Checking for a dirty index or untracked files with Git
.../null| egrep "^(M| M)" | wc -l)
Note: The 2>/dev/null filters out the error messages so you can use these commands on non-git directories. (They'll simply return 0 for the file counts.)
Edit:
Here are the posts:
Adding Git Status Information to your Terminal Prompt
Improved Git-enabled Shel...
Pretty-print C++ STL containers
...ally.)
– Kerrek SB
Jan 31 '11 at 12:05
Hmm, I get "ambiguous overload" when trying this on an std::vector<int> a...
Portable way to get file size (in bytes) in shell?
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Palec
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answered Nov 29 '09 at 13:45
Carl SmotriczCarl Smotricz
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How can I convert an RGB image into grayscale in Python?
...vert('L')
– nviens
Oct 23 '17 at 22:05
13
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Why do I get AttributeError: 'NoneType' object has no attribute 'something'?
I keep getting an error that says
10 Answers
10
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Is errno thread-safe?
...my question is, is it safe to check errno value after some calls or use perror() in multi-threaded code. Is this a thread safe variable? If not, then whats the alternative ?
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Is there a built-in function to print all the current properties and values of an object?
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edited Oct 10 '08 at 20:05
S.Lott
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answere...
Object comparison in JavaScript [duplicate]
...another fiddle, jsfiddle.net/mendesjuan/uKtEy/1 Now the function throws an error if an object is cyclical, which is a shame because your original version did work for cyclical objects, as long as the two object were pointing to the same object jsfiddle.net/mendesjuan/uKtEy/2
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MFC CListCtrl使用方法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...eproject.com/listctrl/CListCtrlLink.asp
(4) subitem的tooltip提示
http://www.codeproject.com/listctrl/ctooltiplistctrl.asp
(5) subitem中显示进度条
http://www.codeproject.com/listctrl/ProgressListControl.asp
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