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FileSystemWatcher Changed event is raised twice

...<FileSystemEventArgs>(fileSystemWatcher, "Renamed") .Select(e => e.EventArgs) .Distinct(e => e.FullPath) .Subscribe(onNext); – Kjellski Oct 24 '14 at 15:55 ...
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Pandas get topmost n records within each group

... DataFrames only. Which is rather unfortunate, because what if you want to select more than one column? – oulenz Oct 23 '19 at 13:53 add a comment  |  ...
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How can I prevent the backspace key from navigating back?

...put element. * stops backspace -> back */ var rx = /INPUT|SELECT|TEXTAREA/i; $(document).bind("keydown keypress", function(e){ if( e.which == 8 ){ // 8 == backspace if(!rx.test(e.target.tagName) || e.target.disabled || e.target.readOnly ){ e....
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In log4j, does checking isDebugEnabled before logging improve performance?

...g statement you will already have the check in place. 2- You don't have to selectively include the statement on "complex" debug statements. All statements are included that way. 3- Calling log.debug executes the following before logging: if(repository.isDisabled(Level.DEBUG_INT)) retur...
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get CSS rule's percentage value in jQuery

...ks fine, you have to add class="largeField" to the span, currently you are selecting an empty set. – Adam Lassek Jan 24 '12 at 0:19 ...
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When applying a patch is there any way to resolve conflicts?

... You can also right drag patches on a working tree folder and select "Apply patch serial" (for patches like 0001-xxx.patch, ... 0002-xxy.patch) or "Apply single patch file". – MrTux Sep 6 '15 at 19:24 ...
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What is the proper way to display the full InnerException?

...s() .Where(e => !String.IsNullOrWhiteSpace(e.Message)) .Select(e => e.Message.Trim()); string flattened = String.Join(Environment.NewLine, messages); // <-- the separator here return flattened; } public static IEnumerable<Exception> GetAllExceptions(this Excep...
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Delete Local Folder in TFS

... TFS Top Tips: ...if you do a "Get Specific Version..." on the files, and select Changeset 1, the files will be deleted locally and the server will know this. The color of the file in the Source Control explorer will go from black to gray and will have the phrase "Not downloaded" in the latest col...
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ViewPager with previous and next page boundaries

...Children(false); on itself, so even though the ViewPager is focused on one selected page, other pages that have coordinates beyond the ViewPager bounds are still visible, so long as they fit within the PagerContainer. By sizing the ViewPager to be smaller than the PagerContainer, the ViewPager can s...
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Custom attributes - Yea or nay?

...t known. For example, if it is some kind of integer id, we can't very well select for every possible case. We are then left to parse the class attribute manually which is definitely workable, but not as clear in the code, and in some cases, could be very slow (if there are a lot of candidate element...