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FFmpeg on Android
...Android:
Build static libraries of ffmpeg for Android. This was achieved by building olvaffe's ffmpeg android port (libffmpeg) using the Android Build System. Simply place the sources under /external and make away. You'll need to extract bionic(libc) and zlib(libz) from the Android build as well, ...
detach all packages while working in R
... character.only=TRUE,unload=TRUE))
#In the line above, I have inserted by hand what I know the package dependencies to be. A user must know this a priori or have their own automated
#method to discover it. Without removing dependencies first, the user will have to cycle through loading names...
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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How to reload .bash_profile from the command line?
I can get the shell to recognize changes to .bash_profile by exiting and logging back in but I would like to be able to do it on demand.
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How to wait for all goroutines to finish without using time.Sleep?
...lue will copy it and make wg.Done() ineffective. While this could be fixed by passing a pointer &wg, a better way to prevent such errors is to declare the WaitGroup variable as a pointer in the first place: wg := new(sync.WaitGroup) instead of var wg sync.WaitGroup.
– Rober...
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....
Stretch child div height to fill parent that has dynamic height
...S on the child. That's because a CSS Grid cell will have auto row and cell by default. It actually works pretty nicely with IE if you use display: -ms-grid to avoid some flexbugs, as long you only have one child.
– ShortFuse
Feb 14 '19 at 22:20
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