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Unicode与UTF-8互转(C语言实现) - C/C++ - 清泛网 - 专注C/C++及内核技术
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位(bit)有0和1两种状态, 因此八个二进制位就可以组合出 256种状态, 这被称为一个字
节(byte). 也就是说, 一个字节一共可以用来表示256种不同的状态, 每一个状态对应一
个符号, 就是256个符号, 从 0000000到11111111.
上个世纪60年代...
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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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 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 = ('...
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...
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...
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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What does 'synchronized' mean?
...hout the synchronized keyword, your thread 1 may not see the change thread 2 made to foo, or worse, it may only be half changed. This would not be what you logically expect.
Again, this is a non-trivial topic in Java. To learn more, explore topics here on SO and the Interwebs about:
Concurrenc...