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Bash script processing limited number of commands in parallel
...ple, 4 processes process1 ... process4 would be started in the background, and the shell would wait until those are completed before starting the next set.
From the GNU manual:
wait [jobspec or pid ...]
Wait until the child process specified by each process ID pid or job specification jobsp...
Detecting an “invalid date” Date instance in JavaScript
I'd like to tell the difference between valid and invalid date objects in JS, but couldn't figure out how:
46 Answers
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How do I update/upsert a document in Mongoose?
Perhaps it's the time, perhaps it's me drowning in sparse documentation and not being able to wrap my head around the concept of updating in Mongoose :)
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jQuery using append with effects
...isplays is updated as soon as the div is appended. So, to combine Mark B's and Steerpike's answers:
Style the div you're appending as hidden before you actually append it. You can do it with inline or external CSS script, or just create the div as
<div id="new_div" style="display: none;"> .....
Android Center text on canvas
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And probably best casting _text.Length to a float as it obviously won't work for odd text lengths.
– paj7777
Apr 8 '13 at 9:44
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How to convert an ArrayList containing Integers to primitive int array?
...ze the fact the ArrayList implements Iterable (via Collection inheritance) and do: for(int n : integer) { ret[counter++] = n; } ... and initialize int counter = 0;
– gardarh
Feb 14 '14 at 15:04
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How to mark a build unstable in Jenkins when running shell scripts
...ripts to execute different tasks. Some are sh/bash scripts that run rsync, and some are PHP scripts. One of the PHP scripts is running some integration tests that output to JUnit XML, code coverage reports, and similar.
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Verifying a specific parameter with Moq
I'm starting using Moq and struggling a bit.
I'm trying to verify that messageServiceClient is receiving the right parameter, which is an XmlElement, but I can't find any way to make it work. It works only when I don't check a particular value.
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Automatically open Chrome developer tools when new tab/new window is opened
...where you opened them from. For example, if you do not have Dev Tools open and you get a popup, it won't open with Dev Tools. But if you Have Dev Tools Open and then you click something, the popup will have Dev-Tools Automatically opened.
UPDATE:
Time has changed, you can now use --auto-open-devto...
How Can I Download a File from EC2 [closed]
...ome Web server on your instance, configure HTTPS if your file is sensitive and then download using your browser, here are some tutorials:
http://flurdy.com/docs/ec2/apache_tomcat/
http://www.robotmedia.net/2011/04/how-to-create-an-amazon-ec2-instance-with-apache-php-and-mysql-lamp/
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