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How to check if one of the following items is in a list?

...d answer, but if one list is very long and the other is short, is there an order that would yield faster performance? (i.e., x in long for x in short vs x in short for x in long) – Luke Sapan Feb 13 '14 at 18:08 ...
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When do you use map vs flatMap in RxJava?

...t his id when user login in. Obviously I need two requests and they are in order. Let's begin. Observable<LoginResponse> login(String email, String password); Observable<UserInfo> fetchUserInfo(String userId); Here are two methods, one for login returned Response, and another for ...
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How to implement the --verbose or -v option into a script?

... def verboseprint(*args): # Print each argument separately so caller doesn't need to # stuff everything to be printed into a single string for arg in args: print arg, print else: verboseprint = lambda *a: None # do-nothing function (Yes, y...
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How to “properly” create a custom object in JavaScript?

...e result is that in mixed company you will have a mishmash of metaclasses, all behaving slightly differently. What's worse, most JavaScript tutorial material is terrible and serves up some kind of in-between compromise to cover all bases, leaving you very confused. (Probably the author is also confu...
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How can I list (ls) the 5 last modified files in a directory?

...n of commands to use depends in which direction you want your output to be ordered. For the newest 5 files ordered from newest to oldest, use head to take the first 5 lines of output: ls -t | head -n 5 For the newest 5 files ordered from oldest to newest, use the -r switch to reverse ls's sort o...
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Short circuit Array.forEach like calling break

...cause some returns true as soon as any of the callbacks, executed in array order, return true, short-circuiting the execution of the rest. some, its inverse every (which will stop on a return false), and forEach are all ECMAScript Fifth Edition methods which will need to be added to the Array.proto...
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Re-ordering columns in pandas dataframe based on column name [duplicate]

... dataframe with over 200 columns. The issue is as they were generated the order is 11 Answers ...
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How do I use a Boolean in Python?

Does Python actually contain a Boolean value? I know that you can do: 7 Answers 7 ...
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C++代码执行安装包静默安装 - C/C++ - 清泛网 - 专注C/C++及内核技术

... szCmdline = _T("/NCRC /S /D=\""); szCmdline.Append( DEFAULT_INSTALL_PATH ); szCmdline.Append( _T("\"") ); CreateProcess( szSetupPath, szCmdline.GetBuffer(), NULL, FALSE, NULL, NULL, NULL, szWorking, &si, &pi ); WaitForSingleObject( m_hCreatePackage, INFINITE ); // 这种方...
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Run function from the command line

...ral answer. I have a script defined multiple customer functions, and only call one depending on my need – xappppp Apr 15 '18 at 4:16 1 ...