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在MongoDB中模拟Auto Increment - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...MongoDB缺省并没有实现，所以需要模拟一下，编程语言以PHP为例，代码大致如下所示：<?phpfunct...MySQL用户多半都有Auto Increment情结，不过MongoDB缺省并没有实现，所以需要模拟一下，编程语言以PHP为例，代码大致如下所示：
<?php
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“Variable” variables in Javascript?
...usly consider that). It is possible to access some global variables dynamically via window, but that doesn't work for variables local to a function. Global variables that do not become a property of window are variables defined with let and const, and classes.
There is almost always a better soluti...
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).
–...
Getting the location from an IP address [duplicate]
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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://...
Naming cookies - best practices [closed]
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@Emanuil: To distinguish it from all the other cookies generated by other apps on the same domain.
– Ignacio Vazquez-Abrams
Sep 19 '12 at 20:50
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configure: error: Unable to find gd.h anywhere under /usr/local/gd - ...
configure: error: Unable to find gd.h anywhere under /usr/local/gd安装php时出现configure: error: Unable to find gd.h anywhere under，错误解决在进行PHP开发环境源码安装时，在安装PHP-5.2.6是出...安装php时出现configure: error: Unable to find gd.h anywhere under，错误...
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
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Simplest PHP example for retrieving user_timeline with Twitter API version 1.1
...won't be allowed. So, here's a post to help you do just that, along with a PHP class to make your life easier.
1. Create a developer account: Set yourself up a developer account on Twitter
You need to visit the official Twitter developer site and register for a developer account.
This is a free an...
Include constant in string without concatenating
Is there a way in PHP to include a constant in a string without concatenating?
12 Answers
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Is there an equivalent for var_dump (PHP) in Javascript?
...vidual property: some objects have a LOT of properties and you'll be there all day clicking "OK", "OK", "OK", "O... dammit that was the property I was looking for".
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