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Should I use Java's String.format() if performance is important?
We have to build Strings all the time for log output and so on. Over the JDK versions we have learned when to use StringBuffer (many appends, thread safe) and StringBuilder (many appends, non-thread-safe).
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JOIN two SELECT statement results
Is it possible to join the results of 2 sql SELECT statements in one statement?
I have a database of tasks where each record is a separate task, with deadlines (and a PALT , which is just an INT of days from start to deadline. Age is also an INT number of days.)
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How can I know when an EditText loses focus?
I need to catch when an EditText loses focus, I've searched other questions but I didn't find an answer.
5 Answers
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How to pipe input to a Bash while loop and preserve variables after loop ends
Bash allows to use: cat <(echo "$FILECONTENT")
3 Answers
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Understanding Linux /proc/id/maps
I am trying to understand my embedded Linux application's memory use. The /proc/pid/maps utility/file seems to be a good resource for seeing the details. Unfortunately I don't understand all the columns and entries.
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Routes with Dash `-` Instead of Underscore `_` in Ruby on Rails
I want my urls to use dash - instead of underscore _ as word separators. For example controller/my-action instead of controller/my_action .
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Execute command on all files in a directory
Could somebody please provide the code to do the following:
Assume there is a directory of files, all of which need to be run through a program. The program outputs the results to standard out. I need a script that will go into a directory, execute the command on each file, and concat the output int...
Should developers have administrator permissions on their PC
Should developers have administrator permissions on their PC or is giving them power user access sufficient?
22 Answers
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Can I use Objective-C blocks as properties?
Is it possible to have blocks as properties using the standard property syntax?
8 Answers
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Animate scroll to ID on page load
Im tring to animate the scroll to a particular ID on page load. I have done lots of research and came across this:
6 Answer...