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How to determine the memory footprint (size) of a variable?
... not definate. It can depend apparently on the php version and possibly on 64/32 bit.
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How to use wait and notify in Java without IllegalMonitorStateException?
...tiple multiplications simultaneously.
That way you can optimise the work based on the number of cores, and you're using the higher level Java threading tools (which should make life easier). Write the results back into a receiving matrix, and then simply print this once all your Future tasks have ...
How to install a specific version of a ruby gem?
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ruby | 1:1.9.3 | http://ftp.uk.debian.org/debian/ wheezy/main amd64 Packages
ruby | 4.5 | http://ftp.uk.debian.org/debian/ squeeze/main amd64 Packages
Then install it:
$ sudo apt-get install ruby=1:1.9.3
To check what's the current version, run:
$ gem --version # Check f...
Displaying the Indian currency symbol on a website
...ot');
src: local('☺'), url(data:font/truetype;charset=utf-8;base64,AAEAAAANAIAAAwBQRkZUTVen5G0AAADcAAAAHEdERUYAQAAEAAAA+AAAACBPUy8yRQixzQAAARgAAABgY21hcGmyCE0AAAF4AAABamdhc3D//wADAAAC5AAAAAhnbHlmmuFTtAAAAuwAABAoaGVhZPOmAG0AABMUAAAANmhoZWELSAQOAAATTAAAACRobXR4KSwAAAAAE3AAAABMbG9jYUCgSL...
#pragma pack effect
...it on a 7 byte boundary will hurt performance. But putting it on a 16, 32, 64 or 4096 byte boundary buys you nothing above what the 8 byte boundary already gave you. You'll get the same performance from the CPU, while getting much worse cache utilization for the reasons outlined in that post.
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What are naming conventions for MongoDB?
...asz NurkiewiczTomasz Nurkiewicz
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Android: ProgressDialog.show() crashes with getApplicationContext
...getApplicationContext());
dialog.show();
}
});
Based on the previous answers that suggested the context was the wrong one, i changed the getApplicationContext() to retrieve the context from the View passed in to the buttons onClick method.
myButton.setOnClickListener(new...
AngularJS UI Router - change url without reloading state
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+100
Simply ...
PHP array_filter with arguments
...me, and is just as evil. Using it should be discouraged. The wacky class-based workaround given in the accepted answer is a better solution than using create_function() in this case.
– Charles
Mar 30 '11 at 17:43
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ros 基本调试 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的kdcom.dll文件，编译的时候还需要加上WINDK=1开关。而在64位的ros上，windbg是最主要的调试方法，和x64版本的kdcom.dll有很好的兼容性。
生成更多输出
如果想要得到更多有意义的输出，有必要额外开启verbosity功能。
编译时开启ver...