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Practical uses for AtomicInteger

...nd more readable than performing the same using synchronization. A simple test: public synchronized int incrementNotAtomic() { return notAtomic++; } public void performTestNotAtomic() { final long start = System.currentTimeMillis(); for (int i = 0 ; i < NUM ; i++) { increme...
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Why is require_once so bad to use?

...t to your code if you're running *_once thousands of times. <?php // test.php $LIMIT = 1000000; $start = microtime(true); for ($i=0; $i<$LIMIT; $i++) if (!defined('include.php')) { require('include.php'); define('include.php', 1); } $mid = microtime(true); for (...
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Having both a Created and Last Updated timestamp columns in MySQL 4.0

...itions in one table. Create both timestamp columns like so: create table test_table( id integer not null auto_increment primary key, stamp_created timestamp default '0000-00-00 00:00:00', stamp_updated timestamp default now() on update now() ); Note that it is necessary to enter null ...
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The specified named connection is either not found in the configuration, not intended to be used wit

...-one seemed to cover. I had a main project with a couple of models, and a Test Project containing unit tests. The Test Project was working, but then stopped with the error mentioned in the OP. I hadn't done any renaming or moving of the EDMX file. A lot of the advice mentioned comparing .config fi...
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How to elegantly deal with timezones

...Note that there isn't a binary distribution, you'll have to download the latest version and compile it yourself. At the time of this writing, it currently parses all of the files in the latest data distribution (I actually ran it against the ftp://elsie.nci.nih.gov/pub/tzdata2011k.tar.gz file on Se...
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GPU Emulator for CUDA programming without the hardware [closed]

...Is there an emulator for a Geforce card that would allow me to program and test CUDA without having the actual hardware? 7 ...
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Spring mvc @PathVariable

... Let us assume you hit a url as www.example.com/test/111 . Now you have to retrieve value 111 (which is dynamic) to your controller method .At time you ll be using @PathVariable as follows : @RequestMapping(value = " /test/{testvalue}", method=RequestMethod.GET) public vo...
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MaterialDialog 对话框增强扩展 · App Inventor 2 中文网

...eight: 24px; margin-bottom: 4px; background: url(/static/images/feedback.svg) 50% / 100% auto no-repeat; } 文档反馈 切换 目录 在线 客服 扫码添加客服咨询 我要 分享 ...
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How can you encode a string to Base64 in JavaScript?

...la.javascript.EcmaError: TypeError: Cannot find function replace in object teste teste teste I'm trying to encode .txt with "teste teste teste". Anyone knows why this error? – PRVS Nov 4 '15 at 9:19 ...
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How can I ensure that a division of integers is always rounded up?

...rounds up. Now we have a specification, so we know we can come up with a testable design. Suppose we add an additional design criterion that the problem be solved solely with integer arithmetic, rather than computing the quotient as a double, since the "double" solution has been explicitly reject...