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How do I copy the contents of one stream to another?
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Note that this is not the fastest way to do it. In the provided code snippet, you have to wait for the Write to complete before a new block is read. When doing the Read and Write asynchronously this waiting will disappear. In some situation this will mak...
RSA Public Key format
...651D3E83FA095DA630BD6D93E97B0C822A5EB4212D428300278CE6BA0CC7490B854581F0FFB4BA3D4236534DE09459942EF115FAA231B15153D67837A63
265:d=1 hl=2 l= 3 prim: INTEGER :010001
To decode the SSH key format, you need to use the data format specification in RFC 4251 too, in conjunction with RFC 42...
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
...16) | (x << 16));
}
From the famous Bit Twiddling Hacks page:
Fastest (lookup table):
static const unsigned char BitReverseTable256[] =
{
0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0,
0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8, 0...
node.js hash string?
...es for each algorithm. It may take around 1-15 seconds for each algorithm (Tested on the Standard Google Computing Engine with Node.js 4.2.2).
for(var i1=0;i1<crypto.getHashes().length;i1++){
var Algh=crypto.getHashes()[i1];
console.time(Algh);
for(var i2=0;i2<1000000;i2++){
crypto....
随身乐单：参考网易云音乐的原生应用案例 · App Inventor 2 中文网
...3 项通过
助手同源
133f3e3f6562a766e832185a646d4bdef4b0b4f4876b789a88307eb31f9dcf34
13 项通过
🧩 原生实现与数据
Player 播放三段原创旋律，选择记录设置实际 Source。Completed 处理循环或下一首；收...
Convert SVG image to PNG with PHP
...n just place it in a loop and convert loads of SVGs,
import os
svgs = ('test1.svg', 'test2.svg', 'etc.svg')
for svg in svgs:
os.system('java -jar batik-rasterizer.jar -m image/jpeg -q 0.8 '+str(svg)+'.svg')
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C# Create New T()
...Instance(typeof(T), signature, args); see msdn.microsoft.com/en-us/library/4b0ww1we.aspx for more detail.
– Chris Baxter
Jun 30 '11 at 4:09
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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
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Perfect! I tested it with 10 chars as length. 100000 tokens and still no duplicates!
– Sharpless512
Feb 26 '14 at 8:13
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How to implement the Java comparable interface?
...evisited.blogspot.com/2011/11/how-to-override-compareto-method-in.html#ixzz4B4EMGha3
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In the shell, what does “ 2>&1 ” mean?
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echo test > afile.txt
redirects stdout to afile.txt. This is the same as doing
echo test 1> afile.txt
To redirect stderr, you do:
echo test 2> afile.txt
>& is the syntax to redirect a stream to another file...