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How to find all tables that have foreign keys that reference particular table.column and have values
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Listing all foreign keys in a db including description
SELECT
i1.CONSTRAINT_NAME, i1.TABLE_NAME,i1.COLUMN_NAME,
i1.REFERENCED_TABLE_SCHEMA,i1.REFERENCED_TABLE_NAME, i1.REFERENCED_COLUMN_NAME,
i2.UPDATE_RULE, i2.DELETE_RULE
FROM
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Clear terminal in Python [duplicate]
...es with batteries" method exist to clear the terminal screen from a Python script, or do I have to go curses (the libraries, not the words)?
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CSRF Token necessary when using Stateless(= Sessionless) Authentication?
...rage
User clicks a link, which loads a new page (= a real link, and no javascript content-replace)
You can still access the token from sessionStorage
To logout, you can either manually delete the token from sessionStorage or wait for the user to close the browser window, which will clear all stored ...
How to avoid “cannot load such file — utils/popen” from homebrew on OSX
...aw.githubusercontent.com/Homebrew/install/master/install)"
Warning: This script will remove: /Library/Caches/Homebrew/ - thks benjaminsila
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How to delete a workspace in Perforce (using p4v)?
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It could also be done without a visual client with the following small script.
$ cat ~/bin/pdel
#!/bin/sh
#Todo: add error handling
( p4 -c $1 client -o | perl -pne 's/\blocked\s//' | p4 -c $1 client -i ) && p4 client -d $1
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How to delete every other line in Vim?
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You can always pipe though a shell command, which means you can use any scripting language you like:
:%!perl -nle 'print if $. % 2'
(or use "unless" instead of "if", depending on which lines you want)
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How do I debug Node.js applications?
... as part of the Google Chrome Developer Tools can be used to debug Node.js scripts. A detailed explanation of how this works can be found in the Node.js GitHub wiki.
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Merge / convert multiple PDF files into one PDF
... PDF is far too big. For example: Pdfunite gives me a 75MB file while Ghostscript packs everything into 1MB.
– Torben
Dec 6 '13 at 11:58
69
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How to Update Multiple Array Elements in mongodb
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Can we not do this without using Javascript? I want to perform this update directly from a mongo shell without using Javascript API.
– Meliodas
Mar 12 '17 at 5:28
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Check if a table exists in Rails
...ails 2.3.18-lts (tested with one table present, one missing before running script/console)
– iheggie
Oct 18 '14 at 4:36
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