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Is optimisation level -O3 dangerous in g++?
...s (which tries to optimize for code size) when appropriate (e.g. when a profiler indicates L1I misses).
If you want to take optimization into the extreme, you can tweak in gcc via --param the costs associated with certain optimizations. Additionally note that gcc now has the ability to put attribut...
How to create unit tests easily in eclipse [closed]
...date site: Unable to read repository at sourceforge.net/projects/fast-code/files/update/content.xml. while using jar: no test profile available please go to junit preference to set the profile
– Haseeb Anser
Jul 13 '17 at 10:29
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why windows 7 task scheduler task fails with error 2147942667
I am facing a strange problem. I have scheduled a task to lauch a batch file. When I run the task with option Run only when user is logged on everything works fine. but I want to run this task in background and hence i am running it using the option Run whether user is logged on or not . Now when...
记一次MongoDB性能问题 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...了验证这种可能，我搜索了一下MongoDB日志：
shell> grep FileAllocator /path/to/log
[FileAllocator] allocating new datafile ... filling with zeroes...
[FileAllocator] done allocating datafile ... took ... secs
我使用的文件系统是ext4（xfs也不错 ），创建数据文...
Does free(ptr) where ptr is NULL corrupt memory?
...ndard Library didn't exist. Instead, there was a mostly unsupported header file that mapped standard library calls through to the Palm OS SDK. Lots of things acted unexpectedly. Crashing on NULL was one of the big running differences of the Palm toolbox compared to the standard library.
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How to convert array to SimpleXML
...onvert array to xml
array_to_xml($data,$xml_data);
//saving generated xml file;
$result = $xml_data->asXML('/file/path/name.xml');
?>
Documentation on SimpleXMLElement::asXML used in this snippet
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How to get Spinner value?
...d item like integer value for example we should make int[] valuesArray and file it in onCreate function maybe from arrays.xml so we can use valuesArray[(int)mySpinner.getSelectedItemId()] to get integer value
– Belal mazlom
Apr 22 '15 at 5:26
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onConfigurationChanged not getting called
...enOrientation="landscape " > </activity> in your menifest file
– Qadir Hussain
Dec 27 '12 at 7:01
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How can I get the current date and time in the terminal and set a custom command in the terminal for
...se the command this way: date +%Y%m%d%H%M%S. It servers most purposes like file backup, or log filtering.
– computingfreak
Nov 30 '16 at 3:19
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Hosting ASP.NET in IIS7 gives Access is denied?
...you haven't granted IUSR sufficient permissions on your site's folders and files, you'll get this error
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