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What is a unix command for deleting the first N characters of a line?
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367
Use cut. Eg. to strip the first 4 characters of each line (i.e. start on the 5th char):
tail -...
MySQL DISTINCT on a GROUP_CONCAT()
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374
GROUP_CONCAT has DISTINCT attribute:
SELECT GROUP_CONCAT(DISTINCT categories ORDER BY categori...
Method to Add new or update existing item in Dictionary
... Steven
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answered Nov 22 '10 at 11:50
ulrichbulrichb
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Android: create a popup that has multiple selection options
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answered May 5 '13 at 22:07
zbrzbr
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Find rows with multiple duplicate fields with Active Record, Rails & Postgres
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Tested & Working Version
User.select(:first,:email).group(:first,:email).having("count(*) &...
Linq to Entities join vs groupjoin
...cted parents as Id values in a fixed order. Let's use:
var ids = new[] { 3,7,2,4 };
Now the selected parents must be filtered from the parents list in this exact order.
If we do ...
var result = parents.Where(p => ids.Contains(p.Id));
... the order of parents will determine the result. If the p...
Splitting on first occurrence
... Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams
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Can I use conditional statements with EJS templates (in JMVC)?
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7 Answers
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I don't remember my android debug.keystore password
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edited May 23 '17 at 12:26
Community♦
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answered Sep 17 '12 at 9:34
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How to detect current state within directive
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edited Mar 7 '14 at 17:52
answered Jun 20 '13 at 22:53
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