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代码坏味道(总结) - C/C++ - 清泛网 - 专注C/C++及内核技术

...关联不大或不相关的事情交与其他类或函数处理。 4.Long Parameter List(过长的参数列) 函数的参数列表不宜过长,应该只传递需要的数据。 5.Divergent Change(发散式变化) 某个类经常因为不同的原因在不同的方向上...
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C++读写EXCEL文件方式比较 - C/C++ - 清泛网 - 专注C/C++及内核技术

...几个实验了一下,在Widonws都没有编译成功。也罢了。 4.ODBC的方式 这个亲身没有尝试过,但是按照原理,应该只能读写。 速度吗,ODBC的速度本来就是出名的慢了。 http://www.vckbase.com/document/viewdoc/?id=421 值得一提的是Basic E...
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C++ ADO Excel中RecordSet.Open打开记录的两个参数adOpenKeyset、adLockBat...

...动作,其他用户可以对数据进行增、删、改操作。 4 adLockBatchOptimistic 当数据源正在更新时,其他用户必须将CursorLocation改为adUdeClientBatch才能对数据进行增、删、改的操作。 默认值 0 adOpenForwardOnly 使用...
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Eclipse C++启用pretty printing,更直观显示stl变量内容 - C/C++ - 清泛网...

...port register_libstdcxx_printers register_libstdcxx_printers (None) end 4、Eclipse CDT中设置gdb命令文件路径: 设置完成后的效果如下: 最后弄个压缩包,直接解压后设置CDT即可:eclipse-cdt-pretty-printing.zip。 参考:https://stackoverflow.com/que...
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How to calculate the CPU usage of a process by PID in Linux from C?

... to read the cpu line from /proc/stat, which looks like: cpu 192369 7119 480152 122044337 14142 9937 26747 0 0 This tells you the cumulative CPU time that's been used in various categories, in units of jiffies. You need to take the sum of the values on this line to get a time_total measure. Re...
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What is the purpose of std::make_pair vs the constructor of std::pair?

... | edited Feb 14 '12 at 1:51 answered Feb 14 '12 at 1:39 ...
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“Unicode Error ”unicodeescape" codec can't decode bytes… Cannot open text files in Python 3 [duplica

... 641 The problem is with the string "C:\Users\Eric\Desktop\beeline.txt" Here, \U in "C:\Users... ...
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Detecting endianness programmatically in a C++ program

... 174 I don't like the method based on type punning - it will often be warned against by compiler. Tha...
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Is Python strongly typed?

...nstance of class Foo can be added to other objects: >>> a = Foo(42) >>> a + "1" 43.0 >>> a + Foo 42 >>> a + 1 43.0 >>> a + None 42 Observe that even though strongly typed Python is completely fine with adding objects of type int and float and returns ...
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C++特化模板函数的符号多重定义错误问题 - C/C++ - 清泛网 - 专注C/C++及内核技术

... 3.模板参数在函数参数表中可以出现的次数没有限制 4.一个模板的定义和多个声明所使用的模板参数名无需相同 5.如果一个函数模板有一个以上的模板类型参数,则每个模板类型参数前面都必须有关键字class 或typename. 6....