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What does PorterDuff.Mode mean in android graphics.What does it do?
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Here's an excellent article with illustrations by a Google engineer:
http://ssp.impulsetrain.com/porterduff.html
PorterDuff is described as a way of combining images as if they were "irregular shaped pieces of cardboard" overlayed on...
SQL Server IN vs. EXISTS Performance
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don't know why this excellent answer hasn't gotten any more attention. Understanding the index/structure for both sides could impact I agree. Well said.
– SheldonH
Apr 9 '15 at 20:57
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How do I convert Word files to PDF programmatically? [closed]
...d the save as PDF download. I've also used this technique successfully for Excel and Powerpoint.
– RichardOD
Sep 30 '09 at 9:07
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How can I clone an SQL Server database on the same server in SQL Server 2008 Express?
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+1 for the fastest way. In addition to @JohnLBevan excellent comment, you can also use exec sp_helpdb @dbname='TEMPDB';
– jean
May 22 '19 at 12:11
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How can I get file extensions with JavaScript?
...f really good information in wallacer's revised answer as well as VisioN's excellent breakdown
Edit: Just because this is the accepted answer; wallacer's answer is indeed much better:
return filename.split('.').pop();
My old answer:
return /[^.]+$/.exec(filename);
Should do it.
Edit: In ...
R cannot be resolved - Android error
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Yes, excellent solve. When one gets this error.. many times all of the layout files are marked as having errors.. This is because they are all looking for R. One of them however, likely has an error unrelated that aborts the bui...
Is the C# static constructor thread safe?
...n trust that your singleton will be correctly instantiated.
Zooba made an excellent point (and 15 seconds before me, too!) that the static constructor will not guarantee thread-safe shared access to the singleton. That will need to be handled in another manner.
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Restful API service
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Excellent - thank you! I ended up going through the Google iosched application and wow...it's pretty complex but I have something which is working, now I just need to work out why it works! But yes, this is the basic patt...
SQL Server: Examples of PIVOTing String data
...be a PIVOT. This was wonderful especially for exporting lots of records to excel. The specific reporting request I had received was "every time someone submitted a claim for Benadryl, what value did they submit in fields F4, UR, and UQ. I had an OUTER APPLY that created the ColTitle and the value fi...
Why would anyone use set instead of unordered_set?
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+1, all excellent points. People tend to overlook the fact that hashtables have O(1) average-case access time, meaning they can occasionally have big delays. The distinction can be important for real-time systems.
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