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Why is @autoreleasepool still needed with ARC?
...Objective-C objects. It is not permitted to create NSAutoreleasePool s anymore, however there is a new syntax:
7 Answers
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How do I use Ruby for shell scripting?
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There's a lot of good advice here, so I wanted to add a tiny bit more.
Backticks (or back-ticks) let you do some scripting stuff a lot easier. Consider
puts `find . | grep -i lib`
If you run into problems with getting the output of backticks, the stuff is going to standard err instead ...
psql: FATAL: database “” does not exist
...e1" in tutorials all over the Internet but it only serves to confuse me. A more logical approach would be, in my opinion 1) Create the PostgreSQL user e.g. "usera" 2) Create a database with the same name as the user "usera" (I think this is crazy but it seems PostgreSQL requires it) 3) Log into Post...
Count(*) vs Count(1) - SQL Server
...t; to each row of T
and eliminating null values. If one or more null values are
eliminated, then a completion condition is raised: warning-
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Opening project in Visual Studio fails due to nuget.targets not found error
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Thanks for this, would be nice if they gave a more helpful error message in VS for that.
– rossisdead
Oct 14 '14 at 17:37
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Using a custom typeface in Android
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Do any JVM's JIT compilers generate code that uses vectorized floating point instructions?
...op dependency. You may get a further speedup by unrolling the loop two or more times.
– user2088790
Jun 18 '13 at 8:22
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Why should I use Restify?
...ad the requirement to build up a REST API in node.js and was looking for a more light-weight framework than express.js which probably avoids the unwanted features and would act like a custom-built framework for building REST APIs. Restify from its intro is recommended for the same case.
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How do I escape ampersands in batch files?
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This is the more general applicable solution. It also works if a parameter of a command-line program has one or more ampersands in it. I just encountered this - the parameter was CGW5COMM&10C4&8301.
– Peter ...