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How to add custom validation to an AngularJS form?
...roperties on that context to watch. Most importantly, they also specify an order to check them in. The first one it finds in the list that is "truthy" wins, and it will show that message and none of the others.
And a plunker for the ngMessages example
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FileSystemWatcher vs polling to watch for file changes
...ed, this usually means a FIFO or Queue as you want to deal requests in the order they arrive however in some processes like recursion in programs a FILO or Stack structure is whats used, In this case we are definitely referring to the event queue buffer and not the programs call stack buffer
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Difference between File.separator and slash in paths
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Well, there are more OS's than Unix and Windows (Portable devices, etc), and Java is known for its portability. The best practice is to use it, so the JVM could determine which one is the best for that OS.
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ADB Android Device Unauthorized
...kill-server' if that seems wrong"; as well as "error: device unauthorized" etc.
– Aaron Campbell
Oct 30 '15 at 22:34
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NumPy: function for simultaneous max() and min()
... as the fastest C-compiled library (at least we are talking about the same order of magnitude), which is impressive taking into account that we wrote nothing else than pure Python code, don't you agree? ^^
– Peque
Mar 14 '17 at 8:26
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Base64 length calculation?
...ubles because we don't want to use the floating point ops, rounding errors etc. They are just not necessary.
For this it is a good idea to remember how to perform the ceiling division: ceil(x / y) in doubles can be written as (x + y - 1) / y (while avoiding negative numbers, but beware of overflow)...
UICollectionView Set number of columns
...h Swift 5 and iOS 12.3, you can use one the 4 following implementations in order to set the number of items per row in your UICollectionView while managing insets and size changes (including rotation).
#1. Subclassing UICollectionViewFlowLayout and using UICollectionViewFlowLayout's itemSize prop...
How to set environment variables in Python?
...ts to create just a persistent variable that can be used by other scripts, etc., not a permanent variable in the registry! Now, I admit I was aggressive in my comment, but you made me lost a lot of time until I find out how to remove a permanent a variable from the environment that I created just fo...
Difference between Static and final?
...lass, It will have different variables such as volume, treble, bass, color etc. You define all these fields while defining the Speaker class. For example, you declared the color field with a static modifier, that means you're telling the compiler that there is exactly one copy of this variable in ex...
Adding a regression line on a ggplot
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And so you never worry about ordering of your formulas or just adding a +0 you can use names. data.lm$coefficients[['(Intercept)']] and data.lm$coefficients[['DepDelay']].
– Ufos
May 14 '19 at 16:56
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