大约有 30,000 项符合查询结果(耗时:0.0437秒) [XML]

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Frequency table for a single variable

...8 Vietnam 71.000000 3.91 209 West Bank and Gaza 32.000000 210 Yemen, Rep. 39.000000 .2 211 Zambia 61.000000 3.56 212 Zimbabwe 66.800003 4.96 [213 rows x 3 columns] frequency distribut...
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iOS开发过程中的各种tips - 更多技术 - 清泛网 - 专注C/C++及内核技术

...有那么一些个小问题让人纠结,它们不会让程序崩溃,但会让人崩溃。除此之外,还将分享一些细节现在我通过自己的总...前言 iOS开发过程中,总有那么一些个小问题让人纠结,它们不会让程序崩溃,但会让人崩溃。除此...
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“Conversion to Dalvik format failed with error 1” on external JAR

...oguard.bat Edit the following line will solve the problem: call %java_exe% -jar "%PROGUARD_HOME%"\lib\proguard.jar %* to call %java_exe% -jar "%PROGUARD_HOME%"\lib\proguard.jar %1 %2 %3 %4 %5 %6 %7 %8 %9 share ...
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What is causing “Unable to allocate memory for pool” in PHP?

...ity margin, and check it on a regular basis. The default of allowing only 32MB is ridiculously low. PHP was designed when servers were 64MB and most scripts were using one php file per page. Nowadays solutions like Magento require more than 10k files (~60Mb in APC). You should allow enough memory s...
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C++ project organisation (with gtest, cmake and doxygen)

... (2) configures the library you are going to build (3) configures the test executables and test-cases In case you have sub-components I would suggest adding another hierarchy and use the tree above for each sub-project. Then things get tricky, because you need to decide if sub-components search an...
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iPhone: How to get current milliseconds?

... Stan James 2,1772323 silver badges3434 bronze badges answered Apr 30 '10 at 5:03 Allan SimonsenAllan Simonsen ...
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智能手机图形解锁有多少种可能 - 创意 - 清泛网 - 专注C/C++及内核技术

...己漏掉了一些情况,如下图中绿色的两幅,24136和654192都可行的,也就说:这...琢磨这个问题很久,今天还用matlab算了算,到后来才发现自己漏掉了一些情况,如下图中绿色的两幅,24136和654192都可行的,也就说:这个...
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IT大牛如何炼成的 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术

IT大牛如何炼成的记得初入公司时,写的代码乱七八糟,错误百出,bug连连,不仅项目经理骂我,其他同事也对我怨声载道。后来听朋友介绍,就报了一个培训班。 记得初入公司时,写的代码乱七八糟,错误百出,bug连连...
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女程序员做个梦,下面的评论惨绝人寰 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术

... 昨晚梦见男朋友和别的女人在逛街,梦里我的第一反应查源代码…结果调试半天查不出来为什么显示的那个女人不我,最后含泪把那个女人给注释掉了,再一运行就我男朋友自己逛街了…醒来囧字脸呆了很久…… 评...
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ATL CComPtr和CComQIPtr详解 - C/C++ - 清泛网 - 专注IT技能提升

...rface接口,来获得对应的正确的接口指针。CComPtr和CComQIPtr智能接口指针类,它们在销毁的时候,不需要手动去释放接口指针,在赋值的时候,也不需要手动的AddRef,在出现异常的时候,会自动处理异常,而不需要额外的异常处...