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How to check if variable is string with python 2 and 3 compatibility
...str) in python-3.x but I need to check if something is a string in python-2.x as well. Will isinstance(x, str) work as expected in python-2.x? Or will I need to check the version and use isinstance(x, basestr) ?
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How to show all shared libraries used by executables in Linux?
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274
Use ldd to list shared libraries for each executable.
Cleanup the output
Sort, compute counts...
How to initialize an array in one step using Ruby?
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192
You can use an array literal:
array = [ '1', '2', '3' ]
You can also use a range:
array = ('...
Regular expression for matching HH:MM time format
...it wouldn't match 04:00 for example.
This may work better:
^([0-1]?[0-9]|2[0-3]):[0-5][0-9]$
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How to round an average to 2 decimal places in PostgreSQL?
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283
PostgreSQL does not define round(double precision, integer). For reasons @Mike Sherrill 'Cat R...
Convert decimal to binary in python [duplicate]
...ivalent?
I am able to convert binary to decimal using int('[binary_value]',2), so any way to do the reverse without writing the code to do it myself?
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C++/COM VARIANT实现二维数组 - C/C++ - 清泛网 - 专注C/C++及内核技术
...，包括设置数组元素的类型、数据的维数，大小等。
（2）对SAFEARRAY数组赋值，既可通过SafeArrayPutElement函数逐个元素进行负责，也可通过指针来获得SAFEARRAY的数据地址，然后对指针指向的值进行赋值操作。其中，如果SAFEARRAY中...
WinDBG用法详解 PDF - 文档下载 - 清泛网 - 专注C/C++及内核技术
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App Inventor 2 中的“2”是什么意思？ - App Inventor 2 中文网 - 清泛网 ...
App Inventor 2 中的“2”是什么意思？app_inventor_2_interpretation对App Inventor 2 中的“2”进行科普性的释义，相对App Inventor进行适度的区分。2010年12月App Inventor对外公测，此版本也称为App Inventor 1 或 App Inventor Classic，简称AI1。
2013年12月...