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Get Substring between two characters using javascript
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Trivial solution but handy especially if you want to avoid regular expressions.
– Nikolay Frick
Jun 24 '15 at 20:59
10
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Remove DEFINER clause from MySQL Dumps
...he dump file is created.
Open the dump file in a text editor and replace all occurrences of DEFINER=root@localhost with an empty string ""
Edit the dump (or pipe the output) using perl:
perl -p -i.bak -e "s/DEFINER=\`\w.*\`@\`\d[0-3].*[0-3]\`//g" mydatabase.sql
Pipe the output through sed:
mysq...
How do I get the name of the active user via the command line in OS X?
...if you are ssh'ed into a machine and want to see if a user is logged on locally. If they are not, the command will return "root".
– Tim Dearborn
Jan 15 '16 at 1:17
add a comme...
Calculating Pearson correlation and significance in Python
...trictly speaking, Pearson's correlation requires
that each dataset be normally distributed. Like other correlation
coefficients, this one varies between -1 and +1 with 0 implying no
correlation. Correlations of -1 or +1 imply an exact linear
relationship. Positive correlations imply that as x in...
is it possible to select EXISTS directly as a bit?
...UP BY
bit maps directly to boolean in .net datatypes, even if it isn't really...
This looks similar but gives no row (not zero) if no matches, so it's not the same
SELECT TOP 1 CAST(NumberKeyCOlumn AS bit) FROM MyTable WHERE theColumn like 'theValue%'
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Save modifications in place with awk
... same question. I just tried it and it works on my 4.1.3. inplace is actually a library included with gawk according to iiSeymour's answer, so inplace is something that can be included as an includefile.
– cxw
Jun 23 '16 at 20:16
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C# vs Java generics [duplicate]
...ges. A few quirks here and there (most notably in constraints). But basically if you can read one, you can likely read/use the other.
The biggest difference though is in the implementation.
Java uses the notion of type erasure to implement generics. In short the underlying compiled classes ...
Numpy argsort - what is it doing?
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[2, 3, 1, 0] indicates that the smallest element is at index 2, the next smallest at index 3, then index 1, then index 0.
There are a number of ways to get the result you are looking for:
import numpy as np
import scipy.stats as stats
def using_indexed_ass...
Undoing a git rebase
...uble check this, though as I haven't verified this recently.
Per default, all reflogs are activated for non-bare repositories:
[core]
logAllRefUpdates = true
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How do I get hour and minutes from NSDate?
...ateComponents:
Obj-C:
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat:@"<your date format goes here"];
NSDate *date = [dateFormatter dateFromString:string1];
NSCalendar *calendar = [NSCalendar currentCalendar];
NSDateComponents *components = [calend...