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How do I delete all messages from a single queue using the CLI?
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IMPORTANT NOTE: This will delete all users and config.
ALERT !!
ALERT !!
I don't suggest this answer until unless you want to delete data from all of the queues, including users and configs.
Just Reset it !!!
rabbitmqctl stop_app
rabbitmqctl reset
rabbitmqctl start_app
...
MySQL stored procedure vs function, which would I use when?
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@Pacerier means functions in MySQL are something like scripts those compiles and executes on the fly. I copied it from some blog post, but didn't perform any practical to inspect this behaviors.
– Grijesh Chauhan
Jan 29 '15 at 7:10
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Java内存泄露原因详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...费称为内存泄露。内存泄露有时不严重且不易察觉，这样开发者就不知道存在内存泄露，但有时也会很严重，会提示你Out of memory。
那么，Java内存泄露根本原因是什么呢？长生命周期的对象持有短生命周期对象的引用就很可能...
How to tell if a string contains a certain character in JavaScript?
...find "hello" in your_string
if (your_string.indexOf('hello') > -1)
{
alert("hello found inside your_string");
}
For the alpha numeric you can use a regular expression:
http://www.regular-expressions.info/javascript.html
Alpha Numeric Regular Expression
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如何抓住痛点做出让用户尖叫的产品 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...操作体验上的停顿，不能在产品核心流程核心功能的设计开发上妥协，要去跟提高0.1秒钟加载速度较真，去跟把整个页面大小缩小1K较真。只有追求极致，才能把产品真正做到好的用户体验。
核心功能是产品的生存之本，除非...
Design by contract using assertions or exceptions? [closed]
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The point in assertions is not to correct errors, but to alert the programmer. Keeping them enabled in release builds is useless for that reason: What would you have gained by having an assert firing? The developer won't be able to jump in and debug it. Assertions are a debugging a...
Why am I getting ibtool failed with exit code 255?
...uck is, in a shell:
ibtool --warnings --errors --notices yourfile.xib > alerts.plist
which will crash, but now you have the crashlog, in my case it was an issue with simulated metrics:
localhost:Classes me$ ibtool --warnings --errors --notices CodeViewController.xib > alerts.plist
2014-...
Extract a number from a string (JavaScript)
...teristic:561613213213";
var numb = txt.match(/\d/g);
numb = numb.join("");
alert (numb);
result
1234561613213213
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MySQL: Can't create table (errno: 150)
... master table had MyISAM and child table InnoDB engine. Current create.sql script was using InnoDB for all tables, but I had very very old installation where first script used MyISAM.
– Whome
Apr 8 '13 at 9:50
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What is the difference between and ?
...hen an element is needed only for styling purposes or as a convenience for scripting, authors are encouraged to use the <div> element instead. A general rule is that the <section> element is appropriate only if the element’s contents would be listed explicitly in the document’s outli...