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How can I make a JUnit Test wait?
...nds your test is going to fail.
To remedy this JayWay has a great utility called Awatility which is perfect for ensuring that a specific condition occurs before you move on.
It has a nice fluent api as well
await().until(() ->
{
return yourConditionIsMet();
});
https://github.com/jayw...
SQL Server - transactions roll back on error?
... xact_abort on before your transaction to make sure sql rolls back automatically in case of error.
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How to set up a git project to use an external repo submodule?
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You have a project -- call it MyWebApp that already has a github repo
You want to use the jquery repository in your project
You want to pull the jquery repo into your project as a submodule.
Submodules are really, really easy to reference and us...
Intersection of two lists in Bash
... comm requires the inputs to be sorted. In this case, ls automatically sorts its output, but other uses may need to do this: comm -12 <(some-command | sort) <(some-other-command | sort)
– Alexander Bird
Jan 15 '15 at 21:11
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express.js - single routing handler for multiple routes in a single line
Is there a way to make this on a single function call?
6 Answers
6
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Aren't Python strings immutable? Then why does a + “ ” + b work?
...u changed the variable a to point at a new string "Dog eats treats". You didn't actually mutate the string "Dog". Strings are immutable, variables can point at whatever they want.
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Why does (“foo” === new String(“foo”)) evaluate to false in JavaScript?
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quick question about using this. You're calling String (a constructor?) without the 'new' keyword. Doesn't this mean you will pollute the scope with any properties assigned within the String constructor? Or does that not happen because the constructor is native cod...
How do I tell if a regular file does not exist in Bash?
...tmp/foo.txt ] && echo "File not found!"
– DavidWinterbottom
Sep 29 '10 at 12:09
38
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HTML5 Video Dimensions
I'm trying to get the dimensions of a video of which I'm overlaying onto a page with JavaScript, however it is returning the dimensions of the poster image instead of the actual video as it seems it's being calculated before the video is loaded.
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How to check if a column exists in a SQL Server table?
...ROM sys.columns
WHERE Name = N'columnName'
AND Object_ID = Object_ID(N'schemaName.tableName'))
BEGIN
-- Column Exists
END
Martin Smith's version is shorter:
IF COL_LENGTH('schemaName.tableName', 'columnName') IS NOT NULL
BEGIN
-- Column Exists
END
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