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Auto-loading lib files in Rails 4
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+100
I think this may solve your problem:
in config/application.rb:
config.autoload_paths << Rails.root.join('lib')
and keep t...
How to implement a Map with multiple keys? [duplicate]
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101
Two maps. One Map<K1, V> and one Map<K2, V>. If you must have a single interface...
How would you compare jQuery objects?
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158
You need to compare the raw DOM elements, e.g.:
if ($(this).parent().get(0) === $('body').get...
App Inventor 2 接入百度网盘API · App Inventor 2 中文网
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App Inventor 2 接入百度网盘API：文件下载
1、申请应用
2、用户登录认证，拿到access_token，后续请求必备参数 【使用Web浏览器】
3、获取文件列表，返回JSON，拿出想要的文件的fsid 【使用Web客户端】
4...
'IF' in 'SELECT' statement - choose output value based on column values
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1039
SELECT id,
IF(type = 'P', amount, amount * -1) as amount
FROM report
See http://dev...
What's the need of array with zero elements?
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139
This is a way to have variable sizes of data, without having to call malloc (kmalloc in this c...
When do I need to use a semicolon vs a slash in Oracle SQL?
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31
It's a matter of preference, but I prefer to see scripts that consistently use the slash - this ...
Embedded MongoDB when running integration tests
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10 Answers
10
Active
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How can I check which version of Angular I'm using?
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217
Edit: When this answer was written, there was only AngularJS 1.x. Look in the answers below for...
MySQL - Make an existing Field Unique
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301
ALTER IGNORE TABLE mytbl ADD UNIQUE (columnName);
For MySQL 5.7.4 or later:
ALTER TABLE myt...