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Virtual Memory Usage from Java under Linux, too much memory used

...elevant. Where virtual memory size is important is if you're running on a 32-bit operating system, where you can only allocate 2Gb (or, in some cases, 3Gb) of process address space. In that case you're dealing with a scarce resource, and might have to make tradeoffs, such as reducing your heap size...
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How can I export tables to Excel from a webpage [closed]

...ar">lfrtip', "oTableTools": { "sSwfPath": "/swf/copy_cvs_xls_pdf.swf" } } ); } ); So, quick to deploy, no browser limitations, no server-side language required, and most of all very EASY to understand. It's a win-win. The one thing it does have limits on, thoug...
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proper way to sudo over ssh

I have a script which runs another script via SSH on a remote server using sudo. However, when I type the password, it shows up on the terminal. (Otherwise it works fine) ...
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What are conventions for filenames in Go?

...xample: ➜ cd $GOROOT/src/pkg/math/ ➜ ls sqrt*s sqrt_386.s sqrt_amd64p32.s sqrt_amd64.s sqrt_arm.s sqrt_386.s will only be read by the compiler on 32bit processors, sqrt_amd64.s on amd64, etc.. It can be any of the valid values of GOOS and/or GOARCH (ref. file_windows_amd64.go will be onl...
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Try-catch speeding up my code?

... Okay, we have disassembly... This is using the C# 2 compiler and .NET 2 (32-bit) CLR, disassembling with mdbg (as I don't have cordbg on my machine). I still see the same performance effects, even under the debugger. The fast version uses a try block around everything between the variable declarat...
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Getting image dimensions without reading the entire file

...oInt16(bytes, 0); } private static int ReadLittleEndianInt32(this BinaryReader binaryReader) { byte[] bytes = new byte[sizeof(int)]; for (int i = 0; i < sizeof(int); i += 1) { bytes[sizeof(int) - 1 - i] = binaryReader.Re...
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How to change the type of a field?

... in case Int32->String, new String(x.bad) creates collection of Strings with 0-index-item x.bad value. Variant ""+x.bad, described by Simone works as desired - creates String value instead of Int32 – Dao ...
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Why doesn't Python have a sign function?

... FogleBirdFogleBird 61.9k2323 gold badges117117 silver badges127127 bronze badges ...
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廉价共享存储解决方案1-drbd+ha+nfs - 更多技术 - 清泛网 - 专注C/C++及内核技术

...储架构(主从模式) http://blog.chinaunix.net/uid-25266990-id-3803277.html DRBD使用gfs2,cman实现双主分布式文件存储方案 http://blog.sae.sina.com.cn/archives/3609 2.1搭建实验环境了 所需要的软件 REHL 6.4 drbd-8.4.6.tar.gz drbd-utils-8.9.3.tar.g...
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Get IP address of visitors using Flask for Python

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