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Possibility of duplicate Mongo ObjectId's being generated in two different collections?

...ing in Mongo itself, it is possible to have duplicate _id's generated with PHP in Mongo. The use-case where this has happened with regularity for me is when I'm looping through a dataset and attempting to inject the data into a collection. The array that holds the injection data must be explicitl...
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Microsoft Excel mangles Diacritics in .csv files?

I am programmatically exporting data (using PHP 5.2) into a .csv test file. Example data: Numéro 1 (note the accented e). The data is utf-8 (no prepended BOM). ...
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Handle Guzzle exception and get HTTP body

...ttp\Psr7\Response * (find it in ./vendor/guzzlehttp/psr7/src/Response.php) with all * its own and its 'Message' trait's methods. See more explanations below. * * So you can have: HTTP status code, message, headers and body. * Just check the exception object has the response ...
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Grep not as a regular expression

I need to search for a PHP variable $someVar . However, Grep thinks that I am trying to run a regex and is complaining: 6 ...
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How do I list all cron jobs for all users?

... d m w user command 09,39 * * * * root [ -d /var/lib/php5 ] && find /var/lib/php5/ -type f -cmin +$(/usr/lib/php5/maxlifetime) -print0 | xargs -r -0 rm 47 */8 * * * root rsync -axE --delete --ignore-errors / /mirror/ >/dev/null 17 1 * * * root ...
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Row count with PDO

... statements around. What is the best way to get the row count using PDO in PHP? Before using PDO, I just simply used mysql_num_rows . ...
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How to write character & in android strings.xml

...ere is a nice reference page: http://jrgraphix.net/research/unicode_blocks.php?block=0 share | improve this answer | follow | ...
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浅谈Heatmap:网页热点图生成原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...了一些随机生成的数据,以Imagick为例,代码如下: <?php $coordinates = array(); for ($i = 0; $i < 1000; $i++) { $coordinates[] = array(rand($i, 1000), rand($i, 1000)); } $max_repeat = max( array_count_values( array_map(function($v) { return "{$v[0]}x...
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App Inventor 2 拓展参考文档 · App Inventor 2 中文网

...制数据 【数据库】LeanDB 数据库扩展 【数据库】MySQL + php后端数据库 【数据库】MongoDB + php后端数据库 切换 目录 提交反馈 ...
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curl_exec() always returns false

... +1: Simple and straight trouble-shooting for curl in PHP on curl_exec FALSE return. - Curl Verbose Mode in PHP example – hakre Nov 9 '12 at 20:10 ...