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Test whether string is a valid integer

...aining it so I can learn a little? I gather it reads, "At the start of the string (^), a minus sign (-) is optional (?), followed by any number of characters between zero and 9, inclusive" ... and what then might the +$ mean? Thanks. – Richard T Feb 5 '10 at 21...
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Getting reference to the top-most view/window in iOS application

...n. Which view is top visible on any given point? @implementation UIView (Extra) - (UIView *)findTopMostViewForPoint:(CGPoint)point { for(int i = self.subviews.count - 1; i >= 0; i--) { UIView *subview = [self.subviews objectAtIndex:i]; if(!subview.hidden && CGRe...
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Which letter of the English alphabet takes up most pixels?

... for(var i = capsIndex; i < capsIndex + 26; i++) { div.innerText = String.fromCharCode(i); var computedWidth = window.getComputedStyle(div, null).getPropertyValue("width"); if(highestWidth < parseFloat(computedWidth)) { highestWidth = parseFloat(computedWidth); ...
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Visual Studio Clicking Find Results Opens Code in Wrong Window

...way that I prefer. Code files still open in the main pane after doing this extra step. – Colm Jan 11 '19 at 17:54  |  show 1 more comment ...
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How can I extract the folder path from file path in Python?

...ost there with your use of the split function. You just needed to join the strings, like follows. >>> import os >>> '\\'.join(existGDBPath.split('\\')[0:-1]) 'T:\\Data\\DBDesign' Although, I would recommend using the os.path.dirname function to do this, you just need to pass the...
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Example images for code and mark-up Q&As [closed]

...1.1C. The orbits of the 'inner' planets (from Mercury to Jupiter, with an extra orbit shown in the thick of the asteroid belt). Better on a dark BG. Details: 450x450 & 150x150 px animated GIFs with transparency. Pictures Sunrise & moonset over the CBD of Sydney, AustraliaSunset ...
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Elegant way to combine multiple collections of elements?

...2.Where(x => true), list3.OrderBy(x => x) ); Looks better. The extra, otherwise redundant, class name I have to write is not a problem for me considering my sequences look cleaner with the Concat call. It's less of a problem in C# 6. You can just write: return Concat(list1.Select(x = &g...
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MySQL - UPDATE query based on SELECT Query

... numbered in a unit, and units are numbered in a level (identified using a string ??N), such that one can identify activities using an SKU ie L1U1A1. Those SKUs are then stored in a different table. I identified the following to get a list of activity_id vs product_id:- SELECT a.activity_id, w....
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How to rsync only a specific list of files?

...files-from=/tmp/foo /usr remote:/backup If /tmp/foo contains the string "bin" (or even "/bin"), the /usr/bin directory will be created as /backup/bin on the remote host. If it contains "bin/" (note the trailing slash), the immediate contents of the directory would also be sent (without n...
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Detecting Windows or Linux? [duplicate]

.../kiuz/816e24aa787c2d102dd0 public class OSValidator { private static String OS = System.getProperty("os.name").toLowerCase(); public static void main(String[] args) { System.out.println(OS); if (isWindows()) { System.out.println("This is Windows"); } ...