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Remove blank attributes from an Object in Javascript

...a simple solution: var obj = {name: 'John', age: null}; var compacted = _.pickBy(obj); This will only work with lodash 4, pre lodash 4 or underscore.js, use _.pick(obj, _.identity); share | imp...
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How do you detect/avoid Memory leaks in your (Unmanaged) code? [closed]

...e quick summary of those articles. First, include these headers: #define _CRTDBG_MAP_ALLOC #include <stdlib.h> #include <crtdbg.h> Then you need to call this when your program exits: _CrtDumpMemoryLeaks(); Alternatively, if your program does not exit in the same place every time, ...
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ObservableCollection not noticing when Item in it changes (even with INotifyPropertyChanged)

...leCollection<EntityViewModel> ContentList { get { return _contentList; } } public CollectionViewModel() { _contentList = new ObservableCollection<EntityViewModel>(); _contentList.CollectionChanged += ContentCollectionChanged; } public v...
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How to replace captured groups only?

...ding and following text: str.replace(/(.*name="\w+)(\d+)(\w+".*)/, "$1!NEW_ID!$3") share | improve this answer | follow | ...
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How to avoid “if” chains?

...the basic flow, e.g. instead of if (ok) { DoSomething(); } else { _log.Error("oops"); return; } ... you'd use.... if (!ok) { _log.Error("oops"); return; } DoSomething(); //notice how this is already farther to the left than the example above When there is a long series of ...
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git command to move a folder inside another

...Name newFolderName got fatal: bad source, source=oldFolderName/somepath/__init__.py, dest ination=ESWProj_Base/ESWProj_DebugControlsMenu/somepath/__init__.py I did git rm -r oldFolderName and git add newFolderName and I don't see old git history in my project. At least my project is not l...
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Is there a way for multiple processes to share a listening socket?

...rt socket import os def main(): serversocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) serversocket.bind(("127.0.0.1", 8888)) serversocket.listen(0) # Child Process if os.fork() == 0: accept_conn("child", serversocket) accept_conn("parent", serversocket) ...
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Markup XML解析库下载(Markup.h 和 Markup.cpp) - 源码下载 - 清泛网 - 专注C/C++及内核技术

...n // This software is provided "as is", with no warranty. #if !defined(_MARKUP_H_INCLUDED_) #define _MARKUP_H_INCLUDED_ #include <stdlib.h> #include <string.h> // memcpy, memset, strcmp... // Major build options // MARKUP_WCHAR wide char (2-byte UTF-16 on Windows, 4-byte UTF-32 on Linux...
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Interfacing with structs and anonymous unions with c2hs

...You would have to do this patch for each version of the lib. struct monome_event { monome_t *monome; monome_event_type_t event_type; /* __extension__ for anonymous unions in gcc */ __extension__ union { struct me_grid { unsigned int x; unsigned int y...
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Is there a way to pass optional parameters to a function?

...onal parameters" of the sort you want. For instance, here's a function opt_fun which takes two positional parameters x1 and x2, and looks for another keyword parameter named "optional". &gt;&gt;&gt; def opt_fun(x1, x2, *positional_parameters, **keyword_parameters): ... if ('optional' in keywo...