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Difference between doseq and for in Clojure
...at for builds a lazy sequence and returns it while doseq is for executing side-effects and returns nil.
user=> (for [x [1 2 3]] (+ x 5))
(6 7 8)
user=> (doseq [x [1 2 3]] (+ x 5))
nil
user=> (doseq [x [1 2 3]] (println x))
1
2
3
nil
If you want to build a new sequence based on other sequ...
Difference between FOR and AFTER triggers?
...@JeancarloFontalvo, 1) compatibility. The underlying tables can change provided the view remains the same. 2) access control, certain users may have permission to write to certain columns only.
– Ben
Mar 9 '17 at 8:31
...
Get an element by index in jQuery
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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Can't choose class as main class in IntelliJ
... your source and test roots and it should work.
https://www.jetbrains.com/idea/webhelp/configuring-content-roots.html
Since you stated that these are tests you should probably go with them marked as Test Source Root instead of Source Root.
...
Delete from the current cursor position to a given line number in vi editor
...ast line you want to delete and mark it by typing ma which "marks" it with identifier "a". Then go up to the top line that you want to delete and type d'a for delete to mark "a". Bam!
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impr...
cd into directory without having permission
...es you may want to allow group to create files in your directory - but consider using the sticky bit on the directory if you do).
If it is someone else's directory, you'll probably need some help from the owner to change the permissions so that you can access it (or you'll need help from root to ch...
Should I Stop Stopwatch at the end of the method?
... it up.
Stopwatch does not use any unmanaged resources (if you thought of IDisposable). It actually does not use any resources at all (except the memory used by the object itself, of course)! It also does not consume any CPU while measuring the elapsed time!
In windows implementations of .NET (ful...
HorizontalScrollView within ScrollView Touch Handling
...
Update: I figured this out. On my ScrollView, I needed to override the onInterceptTouchEvent method to only intercept the touch event if the Y motion is > the X motion. It seems like the default behavior of a ScrollView is to intercept the touch event whenever there is ANY Y motion. S...
UINavigationController without navigation bar?
...d be able to do the following:
self.navigationController.navigationBar.isHidden = true //Swift 5
where self.navigationController is (obviously) an instance of UINavigationController. Seems to work for me, but I only briefly tested it before posting this.
...
How does clipsToBounds work?
...
If my superview is a box measuring 10 units on each side, and my subview is 20 units wide, with clipsToBounds set to YES, I'll only see the part of the subview that fits within the bounds of the superview. Otherwise, if clipsToBounds is set to NO, I'll see the entire subview, ...