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How to force ViewPager to re-instantiate its items [duplicate]
...his does not work for me. Just to be sure that we are on same page. I have selected one of x pages that are available to scroll through in ViewPager. From menu I invoke action that somehow process data in underlying db and change it. On that page I am presenting that data. By process that I triggere...
Expand a random range from 1–5 to 1–7
...t a non-zero. That's what this code is doing: the i and j indexes randomly select a location on the dart board, and if we don't get a good result, we keep throwing darts.
Like Adam said, this can run forever in the worst case, but statistically the worst case never happens. :)
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How can I change or remove HTML5 form validation default error messages?
...alidation message from appearing in your document, with jQuery:
$('input, select, textarea').on("invalid", function(e) {
e.preventDefault();
});
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Eclipse, where to change the current debug line background?
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GGGGGggggreat! I had to select the text to be able to read it! (I wasn't gonna change my whole color scheme for that damn debugger!) and couldn't find this configuration! thanks!
– Petruza
Feb 8 '12 at 14:57
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get string value from UISegmentedControl
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Objective-C
NSString *title = [segment titleForSegmentAtIndex:segment.selectedSegmentIndex];
Swift:
let title = segment.titleForSegment(at: segment.selectedSegmentIndex)
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IntelliJ: How to auto-highlight variables like in Eclipse
... choose to do so.
With your cursor on an occurence.
Do Ctrl+Shift+F7 to select all other occurrences.
Then Shift + F6 to rename all occurences simultaneously.
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Colon (:) in Python list index [duplicate]
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a[len(a):] - This gets you the length of a to the end. It selects a range. If you reverse a[:len(a)] it will get you the beginning to whatever is len(a).
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In Ruby, how do I skip a loop in a .each loop, similar to 'continue' [duplicate]
... retry.
Works also for friends like times, upto, downto, each_with_index, select, map and other iterators (and more generally blocks).
For more info see http://ruby-doc.org/docs/ProgrammingRuby/html/tut_expressions.html#UL.
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Clear MySQL query cache without restarting server
...not clear it for me. Also, MySQL server restart does not help. An explicit SELECT SQL_NO_CACHE does the trick, but not RESET QUERY CACHE. sync && echo 3 | sudo tee /proc/sys/vm/drop_caches from the other answer didn't help, too.
– Jānis Elmeris
Aug 24 ...
Extract every nth element of a vector
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To select every nth element from any starting position in the vector
nth_element <- function(vector, starting_position, n) {
vector[seq(starting_position, length(vector), n)]
}
# E.g.
vec <- 1:12
nth_element(vec, ...