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Scala @ operator
...en pattern matching variable @ pattern binds variable to the value matched by pattern if the pattern matches. In this case that means that the value of x will be Some(Nil) in that case-clause.
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Using usort in php with a class private function
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In this example I am sorting by a field inside the array called AverageVote.
You could include the method inside the call, which means you no longer have the class scope problem, like this...
usort($firstArray, function ($a, $b) {
if...
What are '$$' used for in PL/pgSQL
...CE FUNCTION check_phone_number(text)
RETURNS boolean AS <code delimited by $$> LANGUAGE plpgsql STRICT IMMUTABLE;
The stuff after the actual definition are options to give the database more information about your function, so it can optimize its usage.
In fact if you look under "4.1.2.2. Do...
How can I tell Moq to return a Task?
...ask.Delay(1) as an easy way to return a Task. You can also mimic work too by increasing the time argument.
– stevethethread
Apr 18 '16 at 11:10
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Convert SVG to PNG in Python
...r rsvg can do to guess the size: such SVG files were left size independent by the creator software(/person). The surrounding HTML code to import the SVG file would supply the physical size. However, the "Handle" object of rsvg do have a .get_dimension_data() method that worked for my example file (a...
How can I run code on a background thread on Android?
...erminate itself. after the task execution. terminated might also be caused by exception, or user killed it manually from settings.
START_STICKY (Sticky Service) is the option given by android that service will restart itself if service terminated.
Remember the question difference between multiproce...
Is well formed without a ?
...ta entry pages without form tags. Although it isn't considered "standard" by many, it is NOT inappropriate to use inputs without a <form>. My projects were instances where I needed complete control over how the page behaved and the default form behavior was getting in the way. Was able to p...
Rails.env vs RAILS_ENV
...lass gives
you a prettier way to test for
equality. The value returned by
Rails.env is wrapped in a
StringInquirer object so instead of
calling this:
Rails.env == "production"
you can call this:
Rails.env.production?
So they aren't exactly equivalent, but they're fairly close....
How to add a default include path for GCC in Linux?
... imageUploader: {
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UIViewContentModeScaleAspectFill not clipping
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had the same problem and it was resolved by ticking "Clip Subviews".
The image was showing up properly for all views (3.5,4,4.7,5.5,ipad) in storyboard preview but not in the simulator.
After I ticked "Clip Subviews" the problem was resolved. :)
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