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This type of CollectionView does not support changes to its SourceCollection from a thread different

... mistaken, in WPF 4.5, you should be able to do this without any problem. Now to solve this, you should use the synchronization context. Before you launch the thread, you have to store the synchronization context in the ui thread. var uiContext = SynchronizationContext.Current; Then you use it i...
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Regex to remove all (non numeric OR period)

... It now matches everything except "". – mindriot Dec 4 '15 at 4:47 1 ...
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How to negate a method reference predicate

... = 0; for(String s : list) if(!s.isEmpty()) notEmpty++; *If you want to know what is faster, then use JMH http://openjdk.java.net/projects/code-tools/jmh, and avoid hand benchmark code unless it avoids all JVM optimizations — see Java 8: performance of Streams vs Collections **I am getting flak...
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Code Golf: Collatz Conjecture

... # finish running until we get to 1 say $n while $n = $next[$n]; } Now I'm going to show how you would do that last example with a version of Perl prior to v5.10.0 #! /usr/bin/env perl use strict; use warnings; while( <> ){ chomp; last unless $_; Collatz( $_ ); } { my @next =...
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Normalization in DOM parsing with java - how does it work?

... Aha ! its much more clear now. I don't know about data structures (???) and nodes. But I had a quick look at tree structure and, I am guessing that a computer might store "hello world" in the way you suggested. Is that right ? – ...
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What strategies and tools are useful for finding memory leaks in .NET?

...aged code though, but if you're not bothered about unmanaged code, this is now a pretty good tool. – Scott Langham Nov 8 '09 at 18:22 add a comment  |  ...
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What is the best Java email address validation method? [closed]

... Apache Commons is generally known as a solid project. Keep in mind, though, you'll still have to send a verification email to the address if you want to ensure it's a real email, and that the owner wants it used on your site. EDIT: There was a bug wher...
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psycopg2: insert multiple rows with one query

...) Printing the insert_query outputs insert into t (a, b) values %s,%s Now to the usual Psycopg arguments substitution cursor.execute(insert_query, data) Or just testing what will be sent to the server print (cursor.mogrify(insert_query, data).decode('utf8')) Output: insert into t (a, b) ...
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How to calculate an angle from three points? [closed]

... answer, I posted before thinking my problem through. I got it figured out now, though. – nicoco Sep 28 '17 at 15:11 add a comment  |  ...
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Inserting a tab character into text using C#

... Where did you find this data? I would like to know for my reference. – QueueHammer Jan 25 '10 at 19:49 ...