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程序员羊皮卷下载版.pdf - 文档下载 - 清泛网 - 专注C/C++及内核技术

...救世主 20 第2 章 四招找到好工作 20 求职中的心理健康问题 20 大专生求职受歧视 21 这世界并不亏欠我们什么 23 求职中的正确态度 24 面试前充分准备 24 专注于真正的机会 25 五个步骤查实公司信息 26 筛选重点应聘目标 27 ...
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Getting the location from an IP address [duplicate]

... You could download a free GeoIP database and lookup the IP address locally, or you could use a third party service and perform a remote lookup. This is the simpler option, as it requires no setup, but it does introduce additional latency. One third party service you could use is mine, http://...
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In php, is 0 treated as empty?

... http://php.net/empty The following things are considered to be empty: "" (an empty string) 0 (0 as an integer) 0.0 (0 as a float) "0" (0 as a string) NULL FALSE array() (an empty array) var $var; (a variabl...
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PHP validation/regex for URL

...hings that jump out at me: use of alternation where character classes are called for (every alternative matches exactly one character); and the replacement shouldn't have needed the outer double-quotes (they were only needed because of the pointless /e modifier on the regex). –...
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为什么你有10年经验,但成不了专家? - 杂谈 - 清泛网 - 专注C/C++及内核技术

...的教材、任务,如何开始呢? 1、避免自动完成 自检问题:你今天的工作,是有意识地刻意提升,还是在自动完成? 比如一开始学习驾驶的时候,你会去刻意地记忆如何换挡、如何刹车,当遇到情况需要刹车的时候,你就...
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Can someone explain the dollar sign in Javascript?

... I'm not sure I would call that link a "clear" explanation. Does it really take 6+ paragraphs to explain that $ is simply a valid character when defining function and variable names? – Slight Mar 20 '15 at 20:...
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Is there a built-in function to print all the current properties and values of an object?

... You are really mixing together two different things. Use dir(), vars() or the inspect module to get what you are interested in (I use __builtins__ as an example; you can use any object instead). >>> l = dir(__builtins__) &gt...
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Array to String PHP?

What is the best method for converting a PHP array into a string? I have the variable $type which is an array of types. ...
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Possibility of duplicate Mongo ObjectId's being generated in two different collections?

...que ID (please let me know if there are more): Before this discussion, recall that the BSON Object ID consists of: [4 bytes seconds since epoch, 3 bytes machine hash, 2 bytes process ID, 3 bytes counter] Here are the three possibilities, so you judge for yourself how likely it is to get a dupe: ...
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How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?

...PHP that can decode Unicode escape sequences like " \u00ed " to " í " and all other similar occurrences? 7 Answers ...