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Java NIO FileChannel versus FileOutputstream performance / usefulness
...to bugs that affect write integrity.[1][2]
[1] https://bugs.openjdk.java.net/browse/JDK-4469683
[2] http://bugs.java.com/bugdatabase/view_bug.do?bug_id=6608965
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Cartesian product of multiple arrays in JavaScript
...15 and developed much earlier, better known as ES6 or ES2015. See:
http://www.ecma-international.org/ecma-262/6.0/
https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Functions/rest_parameters
https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Operators/Spread_operator
The n...
PersistentObjectException: detached entity passed to persist thrown by JPA and Hibernate
... there are many code examples in books (even in good ones) and through the net, which do exactly that. I don't know, why... Perhaps sometimes simply copied over and over without much thinking...
Guess what happens if you call remove(transaction) still having "cascade ALL" in that @ManyToOne? The a...
Heroku/GoDaddy: send naked domain to www [closed]
...o figure out how to get the naked domain for my website to redirect to the www domain. I am using Heroku and have the domain from GoDaddy. Because of Heroku, my A records are already set up as:
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Error installing mysql2: Failed to build gem native extension
...helps!
Using MySQL with Rails 3 on Windows
Install railsinstaller -> www.railsinstaller.org (I installed it to c:\Rails)
Install MySQL (I used MySQL 5.5) -> dev.mysql.com/downloads/installer/
--- for mySQL installation ---
If you dont already have these two files installed you might...
How can I color Python logging output?
...n.wikipedia.org/wiki/ANSI_escape_code, or alternatively pueblo.sourceforge.net/doc/manual/ansi_color_codes.html
– Brian M. Hunt
Aug 16 '09 at 20:56
53
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RRSet of type CNAME with DNS name foo.com. is not permitted at apex in zone bar.com
...u can use this same method to redirect a naked domain to a subdomain (like www). I use this in cases where www.foo.com has to be a CNAME so I redirect from foo.com to www.foo.com with this same method. If foo.com is an A record, you can use this technique to redirect from www.foo.com to foo.com.
NO...
How do I move the turtle in LOGO? [closed]
...t is 0.76
Samples taken directly from website: http://gaza.freehosting.net/logo/index.html
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edited Feb 6 '12 at 1:42
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How do I write unit tests in PHP? [closed]
...n SimpleTest, it's called phpt.
A primer can be found here:
http://qa.php.net/write-test.php
Edit: Just saw your request for sample code.
Let's assume you have the following function in a file called lib.php:
<?php
function foo($bar)
{
return $bar;
}
?>
Really simple and straight forwa...
实现一个简单的服务端推方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...限的，这就意味着一台Nginx至多只能建立六万多个连接（net.ipv4.ip_local_port_range），有点儿少。
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当然，本文的描述只是沧海一粟，还有很多技术可供选择，比如Pub/Sub，WebSocket等等，篇幅所限，这里就不多说了，有兴趣的读者...