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Specifying colClasses in the read.csv

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Once upon a time, when > was faster than < … Wait, what?

..., flipping the sign of Z and the depth test is nothing but changing a &lt; comparison to a &gt; comparison. So, if I understand correctly and the author isn't lying or making things up, then changing &lt; to &gt; used to be a vital optimization for many games. I didn't explain that particularly we...
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How to add to an existing hash in Ruby

...e new hashes from arrays Hash[[[:a, "a"]]] # =&gt; {:a=&gt;"a"} When it comes to "inserting" things into a Hash you may do it one at a time, or use the merge method to combine hashes: { :a =&gt; 'a' }.merge(:b =&gt; 'b') # {:a=&gt;'a',:b=&gt;'b'} Note that this does not alter the original hash...
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LINQ Using Max() to select a single row

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What is the PostgreSQL equivalent for ISNULL()

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How do you reset the Zoom in Visual Studio 2010 and above

...ays inadvertently trigger zooming in and out with Magic Trackpad/Parallels combo. @patridge's suggestion to use visualstudiogallery.msdn.microsoft.com/… is golden! – Ted May 14 '15 at 18:22 ...
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Using do block vs braces {}

...de: 1.upto 3 do |x| puts x end 1.upto 3 { |x| puts x } # SyntaxError: compile error Second example only works when parentheses is used, 1.upto(3) { |x| puts x } share | improve this answer ...
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Unrecognized attribute 'targetFramework'. Note that attribute names are case-sensitive

... edited May 23 '17 at 12:26 Community♦ 111 silver badge answered May 17 '12 at 5:53 MerenzoMerenzo ...
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ctypes - Beginner

... void myprint(void); void myprint() { printf("hello world\n"); } Now compile it as a shared library (mac fix found here): $ gcc -shared -Wl,-soname,testlib -o testlib.so -fPIC testlib.c # or... for Mac OS X $ gcc -shared -Wl,-install_name,testlib.so -o testlib.so -fPIC testlib.c Then, write...
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What is the benefit of using “SET XACT_ABORT ON” in a stored procedure?

...bort the batch when a run-time error occurs. It covers you in cases like a command timeout occurring on the client application rather than within SQL Server itself (which isn't covered by the default XACT_ABORT OFF setting.) Since a query timeout will leave the transaction open, SET XACT_ABORT ON i...