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Adding 'serial' to existing column in Postgres
I have a small table (~30 rows) in my Postgres 9.0 database with an integer ID field (the primary key) which currently contains unique sequential integers starting at 1, but which was not created using the 'serial' keyword.
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For..In loops in JavaScript - key value pairs
...mpiler) then you could do the following:
const test = {a: 1, b: 2, c: 3};
for (const [key, value] of Object.entries(test)) {
console.log(key, value);
}
Which will print out this output:
a 1
b 2
c 3
The Object.entries() method returns an array of a given object's own enumerable ...
PHP - Extracting a property from an array of objects
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edited Jul 20 '16 at 9:39
MikeSchinkel
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answer...
MySQL: Invalid use of group function
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edited Nov 21 '18 at 8:34
Backrub32
7711010 silver badges3131 bronze badges
answered Feb 25 '10 at 0:...
How to select following sibling/xml tag using xpath
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answered Jun 29 '10 at 13:01
Dimitre NovatchevDimitre Novatchev
225k2626 gold badges273273 silver badges394394 bronze badges
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argparse module How to add option without any argument?
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239
As @Felix Kling suggested use action='store_true':
>>> from argparse import ArgumentP...
Does ARC support dispatch queues?
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234
The short answer: YES, ARC retains and releases dispatch queues.
And now for the long an...
Is there still any reason to learn AWK?
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answered Sep 20 '08 at 8:31
freespacefreespace
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What is the difference between Eclipse for Java (EE) Developers and Eclipse Classic?
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38
If you want to build Java EE applications, it's best to use Eclipse IDE for Java EE. It has edi...
using gitignore to ignore (but not delete) files
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183
Instead of .gitignore, you can update local git repository by running following command:
git up...