大约有 40,000 项符合查询结果（耗时：0.0590秒） [XML]
'too many values to unpack', iterating over a dict. key=>string, value=>list
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@jeffm that's what confused me. i saw this as a PHP foreach.
– tipu
Mar 29 '11 at 16:23
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Calculate the center point of multiple latitude/longitude coordinate pairs
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I found this post very useful so here is the solution in PHP. I've been using this successfully and just wanted to save another dev some time.
/**
* Get a center latitude,longitude from an array of like geopoints
*
* @param array data 2 dimensional array of latitudes and longit...
内存优化总结:ptmalloc、tcmalloc和jemalloc - 操作系统(内核) - 清泛网 - ...
...内存到CentralCache里。 解决了ptmalloc2中arena之间不能迁移的问题。
Tcmalloc占用更少的额外空间。例如，分配N个8字节对象可能要使用大约8N * 1.01字节的空间。即，多用百分之一的空间。Ptmalloc2使用最少8字节描述一个chunk。
更快。...
How can I generate an MD5 hash?
...perly, I ended up missing 0s in the hash.
This one seems to be the same as PHP has.
source: http://m2tec.be/blog/2010/02/03/java-md5-hex-0093
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How can I convert a comma-separated string to an array?
...t.getElementById('order_id').value; $.ajax({url: "model/getUserMailIds.php",data:{order_id:order_id},type:'POST', success: function(result){ alert(result); var sampleTags = result.split(',');; console.log(sampleTags); }}); });
– Vinita Pawar
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How can I check if a value is a json object?
...ly string values through ajax (which can be fairly useful if you are using PHP or ASPX to process ajax requests and might or might not return JSON depending on conditions)
The solution is quite simple, you can do the following to check if it was a valid JSON return
var IS_JSON = true;
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File content into unix variable with newlines
...rintf "%s\n" "${lines[@]}"
See also:
http://bash-hackers.org/wiki/doku.php/commands/builtin/mapfile
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How do I specify unique constraint for multiple columns in MySQL?
...w surprising/unpleasant it can be. See MySQL bug 25544 bugs.mysql.com/bug.php?id=25544 for a discussion.
– pilcrow
May 7 '10 at 21:41
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How to redirect all HTTP requests to HTTPS
... http://www.example.com ) to HTTPS ( https://www.example.com ). I'm using PHP btw. Can I do this in .htaccess?
26 Answers
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How to alias a table in Laravel Eloquent queries (or using Query Builder)?
... ->get();
Let's see it in action with an awesome tinker tool
$ php artisan tinker
[1] > Schema::create('really_long_table_name', function($table) {$table->increments('id');});
// NULL
[2] > DB::table('really_long_table_name')->insert(['id' => null]);
// true
[3] > DB::t...