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C++并发编程(中文版) - 文档下载 - 清泛网 - 专注C/C++及内核技术

...指引和技巧。 同时,本书还可以作为C++11线程库的参考工具书。 目录 第1章 你好,C++的并发世界… 1 1.1 什么是并发… 1 1.1.1 计算机系统的并发… 1 1.1.2 并发的方法… 3 1.2 为什么使用并发… 4 1.2.1 因划分重点而使用...
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大数据时代的数据化运营 - 资讯 - 清泛网 - 专注C/C++及内核技术

... 这是运营中的渠道的CPS,现在大家比较普通用到的是免费制的产品模式,实际上,在come、stay、Pay三个点上有不同的方面,come即所谓的用户画像,根据产品的分类以及产品的特点不同,会决定我们在产品投放模式上的不同。...
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Opposite of %in%: exclude rows with values specified in a vector

... 365 You can use the ! operator to basically make any TRUE FALSE and every FALSE TRUE. so: D2 = su...
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How to programmatically set maxLength in Android TextView?

... 365 Should be something like that. but never used it for textview, only edittext : TextView tv = ...
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Best way to do Version Control for MS Excel

...few tools around, such as Microsoft's Spreadsheet Compare (https://support.office.com/en-us/article/Overview-of-Spreadsheet-Compare-13fafa61-62aa-451b-8674-242ce5f2c986), Exceldiff (http://exceldiff.arstdesign.com/) and DiffEngineX (https://www.florencesoft.com/compare-excel-workbooks-differences.ht...
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Python dictionary: are keys() and values() always the same order?

... 365 Found this: If items(), keys(), values(), iteritems(), iterkeys(), and itervalues() ar...
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The term “Context” in programming? [closed]

...e claim ticket" (that sticker with the barcode on it) to the "Lost Baggage office". The first thing the person behind the desk will ask for is that ticket with your baggage number on it. That's an example of some required context. But then the baggage person asks you for more information about your...
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Query for array elements inside JSON type

...ERT INTO friends(data) VALUES ('{"name": "Arya", "work": ["Improvements", "Office"], "available": true}'); INSERT INTO friends(data) VALUES ('{"name": "Tim Cook", "work": ["Cook", "ceo", "Play"], "uses": ["baseball", "laptop"], "available": false}'); Now let's make some queries to fetch data sele...
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马无夜草不肥——聊聊程序员接私活的那些坑 - 杂谈 - 清泛网 - 专注C/C++及内核技术

...了,钱到手了,就迎来了漫长的维护期。有些猿类是进行免费维护的,周期长短不一,短则半年,长则两三年,因而会遇到各种头疼问题。 最常见的是BUG产生,修改自己做的产品的BUG还好,如果连带一块修改其他人的问题,这...
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Get yesterday's date using Date [duplicate]

... run it through 365/366 days for current year. get previous date for each of them and see second delta between two dates. You don't need to run it for each day may be pick up selective corner dates (1st Jan, 1st Mar, 28 or 29th Feb) ...