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Should you always favor xrange() over range()?

...kipping implicit fixer: idioms RefactoringTool: Skipping implicit fixer: ws_comma --- range_test.py (original) +++ range_test.py (refactored) @@ -1,7 +1,7 @@ for x in range(20): - a=range(20) + a=list(range(20)) b=list(range(20)) c=[x for x in range(20)] d=(x for x in range(20...
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Python: Best way to add to sys.path relative to the current running script

...single line to each file, add a import statement at top e.g. import import_my_lib keep import_my_lib.py in bin and import_my_lib can correctly set the python path to whatever lib you want share | ...
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Check if a class has a member function of a given signature

...compile-time. Example from my code (tests if class has member function size_t used_memory() const). template<typename T> struct HasUsedMemoryMethod { template<typename U, size_t (U::*)() const> struct SFINAE {}; template<typename U> static char Test(SFINAE<U, &U::us...
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Why is __dirname not defined in node REPL?

From the node manual I see that I can get the directory of a file with __dirname , but from the REPL this seems to be undefined. Is this a misunderstanding on my side or where is the error? ...
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How to Calculate Execution Time of a Code Snippet in C++

...inux it is implementation dependent, but it usually 15 ms as well. #ifdef _WIN32 #include <Windows.h> #else #include <sys/time.h> #include <ctime> #endif /* Remove if already defined */ typedef long long int64; typedef unsigned long long uint64; /* Returns the amount of millisec...
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How to make rpm auto install dependencies

... No, this will not work unless libtest1-1.0-1.x86_64.rpm is in a repository elsewhere, or both packages are specified on the command line like "rpm -i" would require. I just verified this on yum 3.4.3 (Fedora 18). Transcript here showing that it goes to the updates repo for...
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Windows threading: _beginthread vs _beginthreadex vs CreateThread C++

What's a better way to start a thread, _beginthread , _beginthreadx or CreateThread ? 17 Answers ...
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Arduino 101 实验11 - RGB LCD 显示屏,把手机的字显示到硬件上 · App Inventor 2 中文网

...这也是为什么四个 I2C 口是等价的。 固件:.ino 里把 RGB_LCD 设为 ENABLED,其余 DISABLED。 必须先装好 Grove_LCD_RGB_Backlight 库(见 实验00 第四节, 这个库不在库管理器里,要用 zip 手动装)。 三、界面组件 ...
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Django dynamic model fields

...ister(Patient) Attribute.objects.create(name='age', datatype=Attribute.TYPE_INT) Attribute.objects.create(name='height', datatype=Attribute.TYPE_FLOAT) Attribute.objects.create(name='weight', datatype=Attribute.TYPE_FLOAT) Attribute.objects.create(name='city', datatype=Attribute.TYPE_TEXT) Attribute...
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How to iterate for loop in reverse order in swift?

... an array with one trillion Ints! Test: var count = 0 for i in lazy(1...1_000_000_000_000).reverse() { if ++count > 5 { break } println(i) } For Swift 2.0 in Xcode 7: for i in (1...10).reverse() { print(i) } Note that in Swift 2.0, (1...1_000_000_000_000).reverse(...