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WheelView：滚轮选择框扩展 - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...id4.0以上原生的DatePicker 18Thanks @wildcontrol to sponsor this extensionDemo picture:this demo used 3 extensionsAll the blocks
来源：https://wangsk789.github.io/wheelview/
更多滚轮拓展见：https://www.fun123.cn/reference/ ... arty/wheelview.html
MySql export schema without data
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You can do with the --no-data option with mysqldump command
mysqldump -u root -p --no-data dbname > schema.sql
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Is there a properly tested alternative to Select2 or Chosen? [closed]
...ooking for an alternative to Select2 that basically provides the same functionality, but includes proper tests.
3 Answers
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Placing Unicode character in CSS content value [duplicate]
...idered to be part of an identifier or a string (i.e., "\7B" is not punctuation, even though "{" is, and "\32" is allowed at the start of a class name, even though "2" is not).
The identifier "te\st" is exactly the same identifier as "test".
Comprehensive list: Unicode Character 'DOWNWARDS A...
What’s the difference between ScalaTest and Scala Specs unit test frameworks?
Both are BDD (Behavior Driven Development) capable unit test frameworks for Scala written in Scala. And Specs is built upon may also involve the ScalaTest framework. But what does Specs offer ScalaTest doesn't? What are the differences?
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Verify version of rabbitmq
How can I verify which version of rabbitmq is running on a server?
11 Answers
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How to implement a rule engine?
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This snippet compiles the Rules into fast executable code (using Expression trees) and does not need any complicated switch statements:
(Edit : full working example with generic method)
public Func<User, bool> CompileRule(Rule r)
{
var paramUser = Expression.Parameter(typeof(User));
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get all characters to right of last dash
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You can get the position of the last - with str.LastIndexOf('-'). So the next step is obvious:
var result = str.Substring(str.LastIndexOf('-') + 1);
Correction:
As Brian states below, using this on a string with no dashes will result in the s...
When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
I've already read the question and answers to What design decisions would favour Scala's Actors instead of JMS? .
3 Answer...
Run Java Code Online [closed]
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You can run the current Java 8 version at tryjava8.com
– Shekhar
Jul 9 '13 at 14:18
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