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schema builder laravel migrations unique on two columns
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Simply you can use
$table->primary(['first', 'second']);
Reference: http://laravel.com/docs/master/migrations#creating-indexes
As an example:
Schema::create('posts_tags', function (Blueprint $table) {
$table->integer('post_id')->unsigned();
$table->integer('tag...
Authoritative position of duplicate HTTP GET query keys
...aving trouble on finding authoritative information about the behavior with HTTP GET query string duplicate fields, like
6 ...
How to open files relative to home directory
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LINQ: Distinct values
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Just use the Distinct() with your own comparer.
http://msdn.microsoft.com/en-us/library/bb338049.aspx
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WebService Client Generation Error with JDK8
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Well, I found the solution. (based on http://docs.oracle.com/javase/7/docs/api/javax/xml/XMLConstants.html#ACCESS_EXTERNAL_SCHEMA)
Create a file named jaxp.properties (if it doesn't exist) under /path/to/jdk1.8.0/jre/lib and then write this line in it:
javax.xm...
no new variables on left side of :=
... to assignment) but the first one is also a "short variable declaration" ( http://golang.org/ref/spec#Short_variable_declarations ) which means that in the left we need to have at least a new variable declaration for it to be correct.
You can change the second to a simple assignment statement := -&...
What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function
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How do I specify a single test in a file with nosetests?
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C++/COM VARIANT实现二维数组 - C/C++ - 清泛网 - 专注C/C++及内核技术
...变量转换为VARIANT*/
VARIANT var = (VARIANT)olesa;
参考资料
http://blog.sina.com.cn/s/blog_74f586a50100rv6t.html
http://hfp0601.blog.163.com/blog/static/228483522011031104718762/
C++ COM VARIANT 二维数组
Removing duplicate objects with Underscore for Javascript
...=2}, Object {a=3}, Object {a=4}]
Notes:
Callback return value used for comparison
First comparison object with unique return value used as unique
underscorejs.org demonstrates no callback usage
lodash.com shows usage
Another example :
using the callback to extract car makes, colors from a lis...