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创业公司如何实施敏捷开发 - 资讯 - 清泛网 - 专注C/C++及内核技术
...个不现实也浪费资源。我们的结对是在大家开发一个难点模块时，会给结对的人增加一项任务去配合其他开发一起完成这个任务。其实我们在开发时，很多时候都会结对，比如指导新同事、讨论设计模块，而之前这些都没有算在...
How to correct TypeError: Unicode-objects must be encoded before hashing?
...
>>> hashlib.sha256(str(random.getrandbits(256)).encode('utf-8')).hexdigest()
'cd183a211ed2434eac4f31b317c573c50e6c24e3a28b82ddcb0bf8bedf387a9f'
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HMAC-SHA1 in bash
...shift 3
echo -n "$data" | openssl dgst "-$digest" -hmac "$key" "$@"
}
# hex output by default
hash_hmac "sha1" "value" "key"
# raw output by adding the "-binary" flag
hash_hmac "sha1" "value" "key" -binary | base64
# other algos also work
hash_hmac "md5" "value" "key"
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ATL正则表达式库使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
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"d([0-9])", // digit
"h([0-9a-fA-F])", // hex digit
"n(\r|(\r?\n))", // newline
"q(\"[^\"]*\")|(\''''[^\'''']*\'''')", // quoted string
"w([a-zA-Z]+)", // simple word
"z([0-9]+)", // integer
...
JavaScript string encryption and decryption?
...rs = text => text.split('').map(c => c.charCodeAt(0));
const byteHex = n => ("0" + Number(n).toString(16)).substr(-2);
const applySaltToChar = code => textToChars(salt).reduce((a,b) => a ^ b, code);
return text => text.split('')
.map(textToChars)
.map(a...
What are all the escape characters?
...ces:
\u{0000-FFFF} /* Unicode [Basic Multilingual Plane only, see below] hex value
does not handle unicode values higher than 0xFFFF (65535),
the high surrogate has to be separate: \uD852\uDF62
Four hex characters only (no variable width) */
\...
Elegant way to search for UTF-8 files with BOM?
...nd files (Alt + F7) → file types *.* → Find text "EF BB BF" → check 'Hex' checkbox → search
And you get the list :)
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Tool for comparing 2 binary files in Windows [closed]
...ilities:
VBinDiff (binary diff, designed for large files)
WinDiff
bsdiff
HexCmp
See also: https://web.archive.org/web/20151122151611/https://stackoverflow.com/questions/688504/binary-diff-tool-for-very-large-files
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How to create a string with format?
...ou:
let timeNow = time(nil)
let aStr = String(format: "%@%x", "timeNow in hex: ", timeNow)
print(aStr)
Example result:
timeNow in hex: 5cdc9c8d
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Get a pixel from HTML Canvas?
...ntext, x, y)
{
var p = context.getImageData(x, y, 1, 1).data;
var hex = "#" + ("000000" + rgbToHex(p[0], p[1], p[2])).slice(-6);
return hex;
}
function rgbToHex(r, g, b) {
if (r > 255 || g > 255 || b > 255)
throw "Invalid color component";
return ((r <<...