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PostgreSQL disable more output
...antage that you don't have to remember psql option names, etc.
psql ... | cat
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Convert PDF to clean SVG? [closed]
...the reason I want this is because I want to be able to edit the text using PHP. I could do it directly with PDF, but PDF can't be inlined easily into HTML, but SVG can. I may just stick with PDF and convert it to JPG in PHP after editing it's values..
– DanRedux
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What is the difference between map and flatMap and a good use case for each?
... Yes - (but note that my informal notation was just meant to indicate a collection of some kind - in fact mapping split over a list of Strings will produce a List of Arrays)
– DNA
Aug 6 '16 at 22:06
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Which are more performant, CTE or temporary tables?
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Only 15 rows of the 1,000,000 randomly generated values match the predicate but the expensive table scan happens 16 times to locate these.
This would be a good candidate for materializing the intermediate result. The equivalent temp table rewrite took 25 seconds.
INSERT INTO #T
SELECT *,
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Check if a table exists in Rails
... Jan 31 '12 at 14:48
alexey_the_catalexey_the_cat
1,5811616 silver badges2828 bronze badges
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What's the fuss about Haskell? [closed]
...file1).pipe(fs.createWriteStream(file2)). Bash has something similar, too: cat $1 > $2
– Max Heiber
Nov 15 '17 at 1:54
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How to parse XML in Bash?
....com/doc/2006-03-01/">
<Name>sth-items</Name>
<IsTruncated>false</IsTruncated>
<Contents>
<Key>item-apple-iso@2x.png</Key>
<LastModified>2011-07-25T22:23:04.000Z</LastModified>
<ETag>&quot;0032a28286680abee71aed5d05...
What is this Javascript “require”?
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The equivalent in PHP would be include/require[_once] (php.net link), not use, which is an aliasing keyword.
– nevvermind
Apr 2 '19 at 12:39
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What is a mutex?
...o talk. If you don't hold the chicken you cannot speak. You can only indicate that you want the chicken and wait until you get it before you speak. Once you have finished speaking, you can hand the chicken back to the moderator who will hand it to the next person to speak. This ensures that peop...
Remove large .pack file created by git
...tch PATH-TO-YOUR-FILE-WITH-SENSITIVE-DATA" --prune-empty --tag-name-filter cat -- --all
This will forcefully remove all references to the files from the active history of the repo.
Next step, to perform a GC cycle to force all references to the file to be expired and purged from the pack file. No...