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Search and replace in bash using regular expressions
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Use sed:
MYVAR=ho02123ware38384you443d34o3434ingtod38384day
echo "$MYVAR" | sed -e 's/[a-zA-Z]/X/g' -e 's/[0-9]/N/g'
# prints XXNNNNNXXXXNNNNNXXXNNNXNNXNNNNXXXXXXNNNNNXXX
Note that the subsequent -e's are processed in order. Also, the g flag for the ex...
django test app error - Got an error creating the test database: permission denied to create databas
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AlasdairAlasdair
234k3838 gold badges431431 silver badges416416 bronze badges
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Check play state of AVPlayer
...Apple:
// Assume a property: @property (retain) id playerObserver;
Float64 durationSeconds = CMTimeGetSeconds([<#An asset#> duration]);
CMTime firstThird = CMTimeMakeWithSeconds(durationSeconds/3.0, 1);
CMTime secondThird = CMTimeMakeWithSeconds(durationSeconds*2.0/3.0, 1);
NSArray *times = ...
Why do browsers match CSS selectors from right to left?
.../groups.google.com/group/mozilla.dev.tech.layout/browse_thread/thread/b185e455a0b3562a/7db34de545c17665 (though the notation is confusing), but the upshot is that for Gmail in particular two years ago, for 70% of the (rule, element) pairs you could decide that the rule does not match after just exam...
Is there a tool to convert JavaScript files to TypeScript [closed]
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edited Oct 29 '16 at 14:09
sampathsris
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ans...
Length of string in bash
...yvar}" $chrlen $bytlen
will render:
Généralités is 11 char len, but 14 bytes len.
you could even have a look at stored chars:
myvar='Généralités'
chrlen=${#myvar}
oLang=$LANG oLcAll=$LC_ALL
LANG=C LC_ALL=C
bytlen=${#myvar}
printf -v myreal "%q" "$myvar"
LANG=$oLang LC_ALL=$oLcAll
printf ...
Modelling an elevator using Object-Oriented Analysis and Design [closed]
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answered Jan 29 '09 at 20:48
Toon KrijtheToon Krijthe
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'AND' vs '&&' as operator
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Samuel Dauzon
7,9951111 gold badges4444 silver badges7777 bronze badges
answered May 10 '10 at 14:48
PowerlordPowerlord
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iOS Safari – How to disable overscroll but allow scrollable divs to scroll normally?
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14 Answers
14
Active
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Best approach to remove time part of datetime in SQL Server
... Sep 2018, for datetime2
DECLARE @datetime2value datetime2 = '02180912 11:45' --this is deliberately within datetime2, year 0218
DECLARE @datetime2epoch datetime2 = '19000101'
select DATEADD(dd, DATEDIFF(dd, @datetime2epoch, @datetime2value), @datetime2epoch)
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