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How to install the current version of Go in Ubuntu Precise
...n
which outputs in my case (Ubuntu precise)
go version go1.1.1 linux/amd64
From there just export the settings you're gonna need to bash_rc or equivalent:
export GOROOT=/usr/lib/go
export GOBIN=/usr/bin/go
share
...
Tricks to manage the available memory in an R session
... available memory of an interactive R session? I use the functions below [based on postings by Petr Pikal and David Hinds to the r-help list in 2004] to list (and/or sort) the largest objects and to occassionally rm() some of them. But by far the most effective solution was ... to run under 64-bi...
How can one print a size_t variable portably using the printf family?
...Rosenfield
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Creating a zero-filled pandas data frame
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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list.clear() vs list = new ArrayList(); [duplicate]
... @RMT : Answer sounds unarguable.
– theapache64
May 20 '16 at 10:32
Sure, if the list is big or not, a clear h...
Twitter image encoding challenge [closed]
...requires the GMP library for bignum arithmetic for its string encoding.
I based my solution off of fractal image compression, with a few unique twists. The basic idea is to take the image, scale down a copy to 50% and look for pieces in various orientations that look similar to non-overlapping blo...
Awk学习笔记 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...到达文件的末尾就返回0，如果出现错误，例如打开文件失败，就返回-1。如：
$ awk 'BEGIN{ "date" | getline d; print d}' test。执行linux的date命令，并通过管道输出给getline，然后再把输出赋值给自定义变量d，并打印它。
$ awk 'BEGIN{"date" |...
Objective-C : BOOL vs bool
...
From the definition in objc.h:
#if (TARGET_OS_IPHONE && __LP64__) || TARGET_OS_WATCH
typedef bool BOOL;
#else
typedef signed char BOOL;
// BOOL is explicitly signed so @encode(BOOL) == "c" rather than "C"
// even if -funsigned-char is used.
#endif
#define YES ((BOOL)1)
#define NO...
Select arrow style change
...ght: 2rem;
}
If you need it to also work in IE update the svg arrow to base64 and add the following:
select::-ms-expand { display: none; }
background-image: url(data:image/svg+xml;base64,PHN2ZyBmaWxsPSdibGFjaycgaGVpZ2h0PScyNCcgdmlld0JveD0nMCAwIDI0IDI0JyB3aWR0aD0nMjQnIHhtbG5zPSdodHRwOi8vd3d3Lnc...
Number of processors/cores in command line
...s /proc/cpuinfo. nproc is there on my ubuntu VM, but not on my RedHat 5.5-based machine.
– Digital Trauma
Oct 27 '13 at 15:41
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