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How can I test if a letter in a string is uppercase or lowercase using JavaScript?
... something to console and in general not a reusable code snippet so I and (based on the votes on this answer) many other people naturally just skipped the answer. Therefore I think it's good to have this as quick copy-paste answer as opposed to the other answer.
– WebFreak001
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Moving decimal places over in a double
...ass, we were asked in general what numbers can be exactly represented in a base.
For base=p1^n1*p2^n2... you can represent any N where N=n*p1^m1*p2^m2.
Let base=14=2^1*7^1... you can represent 1/7 1/14 1/28 1/49 but not 1/3
I know about financial software -- I converted Ticketmaster's financial r...
How to ignore deprecation warnings in Python
...eddyp/virtualenv/lib/python2.6/site-packages/Twisted-8.2.0-py2.6-linux-x86_64.egg/twisted/persisted/sob.py:12:
DeprecationWarning: the md5 module is deprecated; use hashlib instead import os, md5, sys
/home/eddyp/virtualenv/lib/python2.6/site-packages/Twisted-8.2.0-py2.6-linux-x86_64.egg/twisted/py...
Rounding a double to turn it into an int (java)
...learly no valuable reason for not liking Math.round(): stackoverflow.com/a/6468757/1715716
– Gauthier Boaglio
Feb 9 '16 at 22:02
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How can I multiply and divide using only bit shifting and adding?
... = 21 * 5 (Same as initial expression)
(_2 means base 2)
As you can see, multiplication can be decomposed into adding and shifting and back again. This is also why multiplication takes longer than bit shifts or adding - it's O(n^2) rather than O(n) in the number of bits. R...
程序员之网络安全系列(三):数据加密之对称加密算法 - 更多技术 - 清泛网...
...pt(bytesToBeEncrypted, passwordBytes);
string result = Convert.ToBase64String(bytesEncrypted);
return result;
}
public static string DecryptText(string input, string password)
{
// Get the bytes of the string
byte[] bytesToBeDecrypted = Convert.FromBase64String(input);...
ImportError: No module named MySQLdb
...qldb has some dependencies like VC++ library and sometimes doesn't work on 64 bit OS
– Nima Soroush
Oct 27 '15 at 16:52
1
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Calculate the date yesterday in JavaScript
...((new Date()).valueOf() - 1000*60*60*24);
this creates a new date object based on the value of "now" as an integer which represents the unix epoch in milliseconds subtracting one day.
Two days ago:
var twoDaysAgo = new Date((new Date()).valueOf() - 1000*60*60*24*2);
An hour ago:
var oneHourAg...
How to get a value from a cell of a dataframe?
...]: sub_df.iloc[0]
Out[4]:
A -0.133653
B -0.030854
Name: 2, dtype: float64
In [5]: sub_df.iloc[0]['A']
Out[5]: -0.13365288513107493
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How to resolve “git did not exit cleanly (exit code 128)” error on TortoiseGit? [closed]
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This is for the unix-based systems. The guys is asking for Windows. In Ubuntu we all know it's easy as pie ...
– Деян Добромиров
Jun 27 '16 at 8:29
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