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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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Facebook share button and custom text [closed]
...]:
<a title="send to Facebook"
href="http://www.facebook.com/sharer.php?s=100&p[title]=YOUR_TITLE&p[summary]=YOUR_SUMMARY&p[url]=YOUR_URL&p[images][0]=YOUR_IMAGE_TO_SHARE_OBJECT"
target="_blank">
<span>
<img width="14" height="14" src="'icons/fb.gif" alt="F...
Doctrine - How to print out the real sql, not just the prepared statement?
...trine is not sending a "real SQL query" to the database server : it is actually using prepared statements, which means :
Sending the statement, for it to be prepared (this is what is returned by $query->getSql())
And, then, sending the parameters (returned by $query->getParameters())
and exe...
google oauth2 redirect_uri with several parameters
...rameters to your redirect uri, have them stored in state
parameter before calling Oauth url, the url after authorization will send the same parameters to your redirect uri as
state=THE_STATE_PARAMETERS
So for your case,do this:
/1. create a json string of your parameters ->
{ "a" : "b" , "c"...
Redis 的性能幻想与残酷现实 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...态数据
临时缓存数据
后台统计用的流水数据
导致的问题就是当你想扩分片的时候，客户端 Hash 映射就变了，这是要迁移数据的。而所有数据放在一组 Redis 里，要把它们分开就麻烦了，每个 Redis 实例里面都是千万级的 key。
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Fastest way to implode an associative array with keys
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I wonder if this is really the fastest way for the general question. There is some encoding going on in this function. So, if it's not for a URL, is this really faster than array_walk and what if you don't want it encoded?
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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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数据挖掘——分词入门 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...词典的分词，这种方式简单暴力可以解决百分之七八十的问题。基于词典的分词大概分为以下几种方式：
1、正向最大匹配，沿着我们看到的句子逐字拆分后组合成词语到词典里去匹配，直到匹配不到词语为止。举个实际的例子...
Function to calculate distance between two coordinates
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这个问题问了JavaScript的答案。. You have to convert it to english :)
– VulfCompressor
Oct 12 '15 at 15:56
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Zero-pad digits in string
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First of all, your description is misleading. Double is a floating point data type. You presumably want to pad your digits with leading zeros in a string. The following code does that:
$s = sprintf('%02d', $digit);
For more informa...