大约有 10,000 项符合查询结果(耗时:0.0200秒) [XML]

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Difference between map and collect in Ruby?

...radigm languages as well: In C++'s Standard Template Library, it is called transform, in C# (3.0)'s LINQ library, it is provided as an extension method called Select. Map is also a frequently used operation in high level languages such as Perl, Python and Ruby; the operation is called map in all thr...
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Create singleton using GCD's dispatch_once in Objective-C

...n to the low-level details can give you insights into powerful new ways to transform Objective-C. Refer here: instancetype + (instancetype)sharedInstance { static dispatch_once_t once; static id sharedInstance; dispatch_once(&once, ^ { sharedInstance = [self new]; }...
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支付宝现“幽灵账户” 业内:不必太过惊慌 - 资讯 - 清泛网 - 专注IT技能提升

...幽灵账户浙江温州大学一位在校生可能是支付宝幽灵账户首个受害者。据其声称,她通过实名认证支付宝账户中莫名多出两个子账户,其中一个子账户发...浙江温州大学一位在校生可能是支付宝“幽灵账户”首个受害者。...
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马无夜草不肥——聊聊程序员接私活那些坑 - 杂谈 - 清泛网 - 专注C/C++及内核技术

马无夜草不肥——聊聊程序员接私活那些坑搬砖苦啊,搬砖累啊,努力干活工资不涨还心累啊。码农当自强,于是部分程序猿媛开始了天知地知客户知私活。但接私活会活少钱多来钱快么?... 搬砖苦啊,搬砖累啊,努力干...
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使用CSplitterWnd实现拆分窗口(多视图显示) - C/C++ - 清泛网 - 专注C/C++及内核技术

...用CSplitterWnd实现拆分窗口(多视图显示)MFC支持两种类型拆分窗口:静态和动态。静态拆分窗口行列数在拆分窗口被创建时就设置好了,用户不能更改。但是用户可以缩放各行各...MFC支持两种类型拆分窗口:静态和...
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创业者:在寻找 不迷茫 - 资讯 - 清泛网 - 专注C/C++及内核技术

...寻找 不迷茫经历两年创业热潮,中国创业环境出现了新常态,投资者更加慎重,对创业项目审核要求提高,投资范围也在缩小。这些让一部分创业后来者感到生存“艰难”,但依然无法打消大多数人创业想法。经历两年创...
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How do I find an element that contains specific text in Selenium Webdriver (Python)?

...table. Constructing a table of all upper case characters will effectively transform the node's text to its lower() form - allowing case-insensitive matching (here's just the prerogative): [ contains( translate(text(), 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'), 'my butto...
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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

C++读写EXCEL文件方式比较C++读取ExcelXLS文件方法有很多,但是也许就是因为方法太多,大家在选择时候会很疑惑。由于前两天要做导表工具,比较了常用方法, C++读取ExcelXLS文件方法有很多,但是也许就是因为方法...
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【转】用App Inventor 2实现电子围栏功能 - App应用开发 - 清泛IT社区,为创新赋能!

...监护人部分。这部分需要完成手机获取家庭成员传送回来位置后,计算是否在安全电子围栏范围内。因为电子围栏是相对复杂部分,因此独立一章详细说明。 App Inventor自带地图组件,可以方便实现电子围栏(地理围...
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How to import load a .sql or .csv file into SQLite?

...test.csv line 2: expected 2 columns of data but found 3 It seems we must transform the csv into a list of Insert statements, or perhaps a different delimiter will work. Over at SuperUser I saw a suggestion to use LogParser to deal with csv files, I'm going to look into that. ...