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How to get key names from JSON using jq
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195
You can use:
$ jq 'keys' file.json
$ cat file.json:
{ "Archiver-Version" : "Plexus Archive...
Difference between objectForKey and valueForKey?
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answered Jun 30 '09 at 9:02
Corey FloydCorey Floyd
25.7k2929 gold badges122122 silver badges152152 bronze badges
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Understanding :source option of has_one/has_many through of Rails
...conradvonconrad
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2
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Bash if statement with multiple conditions throws an error
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BuZZ-dEE
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answered Apr 24 '13 at 22:12
mkhatibmkhatib
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Change type of varchar field to integer: “cannot be cast automatically to type integer”
...you the full error. Here's what happens if I test it in psql on PostgreSQL 9.2:
=> CREATE TABLE test( x varchar );
CREATE TABLE
=> insert into test(x) values ('14'), (' 42 ');
INSERT 0 2
=> ALTER TABLE test ALTER COLUMN x TYPE integer;
ERROR: column "x" cannot be cast automatically to ty...
Difference between HEAD and master
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edited Jun 29 '15 at 10:50
answered Dec 8 '10 at 12:27
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What is the difference between Caching and Memoization?
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edited Oct 20 '19 at 22:41
smci
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answ...
How can I extract a good quality JPEG image from a video file with ffmpeg?
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answered Apr 19 '12 at 18:03
lloganllogan
71.7k2020 gold badges140140 silver badges167167 bronze badges
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What does each of the [y,n,q,a,d,/,K,j,J,g,e,?] stand for in context of git -p
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– Alexander Bird
Oct 20 '14 at 21:39
I use -p for stashing, didn't know you could use this for add too! Just to add t...
Can I restore a single table from a full mysql mysqldump file?
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