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How do I create a SHA1 hash in ruby?
...
There's also Digest::SHA1.base64digest 'foo'
– andrewrk
Jan 14 '12 at 1:31
14
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Convert Data URI to File then append to FormData
...a dataURI to a Blob:
function dataURItoBlob(dataURI) {
// convert base64/URLEncoded data component to raw binary data held in a string
var byteString;
if (dataURI.split(',')[0].indexOf('base64') >= 0)
byteString = atob(dataURI.split(',')[1]);
else
byteString = une...
Failed to load JavaHL Library
...put from the last command could look like this, for example:
/usr/lib/x86_64-linux-gnu/jni/libsvnjavahl-1.so
This gives you the path, so you can add the following to your eclipse.ini:
-Djava.library.path=/usr/lib/x86_64-linux-gnu/jni/
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Why does installing Nokogiri on Mac OS fail with libiconv is missing?
...or unsupported file format which is not the architecture being linked (x86_64) for architecture x86_64
Uhh, what? After a lot of googling, I came across this miracle post: http://www.refresherate.com/2010/01/08/fixing-ld-warning-in-usrlocalliblibz-dylib-file-is-not-of-required-architecture/
Appar...
Append a NumPy array to a NumPy array
... np.append(M,b) array([ 2., 3., 4.]) >>> M array([], dtype=float64) I was hoping M to be a 2D array??
– frazman
Mar 19 '12 at 18:06
8
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Using curl to upload POST data with files
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@user956424 In the example, set "image" to the name of your field. And some languages, such as PHP, will build an array if you specify something like "image[]" for the inputs that need to be grouped together.
–...
When is CRC more appropriate to use than MD5/SHA1?
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In my experience hashing millions of URLs, CRC64 collided 8 times and MD5 collided 5. Obviously MD5 was better, but CRC64 was a great and much faster and simpler hash.
– J. Dimeo
Jun 12 '17 at 4:09
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Nginx缓存解决方案：SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术
...序，搞得灰头土脸，最后黔驴技穷开启了FastCGI Cache，算是勉强应付过去了吧。不过FastCGI Cache不支持分布式缓存...前些天帮别人优化PHP程序，搞得灰头土脸，最后黔驴技穷开启了FastCGI Cache，算是勉强应付过去了吧。不过FastCGI Cach...
Which is faster: while(1) or while(2)?
... call __main
.L2:
jmp .L2
.seh_endproc
.ident "GCC: (tdm64-2) 4.8.1"
With -O1:
.file "main.c"
.intel_syntax noprefix
.def __main; .scl 2; .type 32; .endef
.text
.globl main
.def main; .scl 2; .type 32; .endef
.seh_proc main
mai...
Debug Error \"pure virtual function call\" 原因解析 - 更多技术 - 清泛...
...时，vc++的debug模式下会弹出这么一个对话框：
然后就是crash了。
在网上找了一下，发现已经有人对此作了详细的介绍："Pure Virtual Function Called": An Explanation. 这是一篇相当全面的文章，从纯虚函数抽象基类讲起，介绍了对象模...