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Order by multiple columns with Doctrine
I need to order data by two columns (when the rows have different values for column number 1, order by it; otherwise, order by column number 2)
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Persistent :set syntax for a given filetype?
I'm working on a Symfony2 project which uses Twig, and the filetypes are myfile.html.twig . Vim doesn't automatically detect the syntax highlighting and so applies none. I can use :set syntax=HTML after I've opened the file but this is a pain when jumping between files.
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runOnUiThread in fragment
I'm trying to convert an Activity to fragment. The error mark on runOnUiThread .
on the past:
6 Answers
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Rails how to run rake task
How do I run this rake file in terminal/console?
6 Answers
6
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What does |= (single pipe equal) and &=(single ampersand equal) mean
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They're compound assignment operators, translating (very loosely)
x |= y;
into
x = x | y;
and the same for &. There's a bit more detail in a few cases regarding an implicit cast, and the target variable is only evaluated once, b...
Convert numpy array to tuple
Note: This is asking for the reverse of the usual tuple-to-array conversion.
5 Answers
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How to create a loop in bash that is waiting for a webserver to respond?
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Combining the question with chepner's answer, this worked for me:
until $(curl --output /dev/null --silent --head --fail http://myhost:myport); do
printf '.'
sleep 5
done
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What's the difference between the build and create methods in FactoryGirl?
The Factory Girl introduction delineates the difference between FactoryGirl.build() and FactoryGirl.create() :
3 Answer...
Please explain about insertable=false and updatable=false in reference to the JPA @Column annotation
If a field is annotated insertable=false, updatable=false , doesn't it mean that you cannot insert value nor change the existing value? Why would you want to do that?
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initializing a boolean array in java
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I just need to initialize all the array elements to Boolean false.
Either use boolean[] instead so that all values defaults to false:
boolean[] array = new boolean[size];
Or use Arrays#fill() to fill the entire array with B...