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Macro vs Function in C
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zangwzangw
31.6k1111 gold badges121121 silver badges140140 bronze badges
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Postgresql aggregate array
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Use array_agg: http://www.sqlfiddle.com/#!1/5099e/1
SELECT s.name, array_agg(g.Mark) as marks
FROM student s
LEFT JOIN Grade g ON g.Student_id = s.Id
GROUP BY s.Id
By the way, if you are using Postgres 9.1, you don't need to repeat the...
Generate random password string with requirements in javascript
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Community♦
111 silver badge
answered Mar 25 '17 at 18:20
mwagmwag
2,0621818 silver badges...
RabbitMQ message size and types
... DB.
You might also want to read up on their performance measures:
http://www.rabbitmq.com/blog/2012/04/17/rabbitmq-performance-measurements-part-1/
http://www.rabbitmq.com/blog/2012/04/25/rabbitmq-performance-measurements-part-2/
Queues are pretty light weight, you will most likely be limited by t...
Unicode characters in URLs
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What Tgr said. Background:
http://www.example.com/düsseldorf?neighbourhood=Lörick
That's not a URI. But it is an IRI.
You can't include an IRI in an HTML4 document; the type of attributes like href is defined as URI and not IRI. Some browsers will handle...
Intellij IDEA generate for-each/for keyboard shortcut
...lt+J or Ctrl+Alt+J
Choose Iterate Iterable from the dropdown (i)
https://www.jetbrains.com/phpstorm/help/creating-code-constructs-using-surround-templates.html
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How to improve Netbeans performance?
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hamdamhamdam
15111 silver badge22 bronze badges
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Suppressing “warning CS4014: Because this call is not awaited, execution of the current method conti
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Anthony WieserAnthony Wieser
3,15111 gold badge1919 silver badges2121 bronze badges
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What is the difference between an interface and abstract class?
...sily, as they would only need to fill in the blanks.
Taken from:
http://www.dotnetbull.com/2011/11/difference-between-abstract-class-and.html
http://www.dotnetbull.com/2011/11/what-is-abstract-class-in-c-net.html
http://www.dotnetbull.com/2011/11/what-is-interface-in-c-net.html
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How can I calculate the number of lines changed between two commits in git?
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Community♦
111 silver badge
answered Mar 27 '10 at 4:14
CascabelCascabel
398k6464 gold ba...