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How is a CRC32 checksum calculated?
... it is extremely difficult to find a polynomial that detects different bit errors effectively.
You can think of the CRC-32 as a series of "Binary Arithmetic with No Carries", or basically "XOR and shift operations". This is technically called Polynomial Arithmetic.
CRC primer, Chapter 5
To bett...
How to set the authorization header using curl
...m trying to add an authorization header with HMAC-SHA256 always getting an error of missing authorization header
– Steven Aguilar
Jun 29 '18 at 18:40
2
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Parallelize Bash script with maximum number of processes
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cpus=$(getconf _NPROCESSORS_ONLN)
– mr.spuratic
Dec 3 '13 at 18:21
1
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Secure random token in Node.js
...nc */
function randomString(length, chars) {
if (!chars) {
throw new Error('Argument \'chars\' is undefined');
}
var charsLength = chars.length;
if (charsLength > 256) {
throw new Error('Argument \'chars\' should not have more than 256 characters'
+ ', otherwise unpredictab...
How can I see the assembly code for a C++ program?
How can I see the assembly code for a C++ program?
14 Answers
14
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How to get the start time of a long-running Linux process?
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answered Sep 30 '17 at 22:05
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Capybara Ambiguity Resolution
...s with the same values in a page but I can't create a test since I get the error
9 Answers
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Shuffle two list at once with same order
I'm using the nltk library's movie_reviews corpus which contains a large number of documents. My task is get predictive performance of these reviews with pre-processing of the data and without pre-processing. But there is problem, in lists documents and documents2 I have the same documents ...
adb shell command to make Android package uninstall dialog appear
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@Johnny_D The -k flag tells the package manager to keep the cache and data directories around, even though the app is removed. If you want a clean uninstall, don't specify -k.
– Yojimbo
Feb 12 ...
App Inventor 2 时间处理教程 - 时间戳转换、格式化与计算 · App Inventor 2 中文网
...yyyy
4位年份
2026
MM
2位月份
05
dd
2位日期
18
HH
24小时制
14
hh
12小时制
02
mm
分钟
30
ss
秒
45
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