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No increment operator (++) in Ruby? [duplicate]
... Regarding point #3, since most things are objects, imagine if Ruby allowed you to do this: 1++ 1+2 # Would not be 3!
– Johntron
Feb 5 '13 at 13:46
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Whitespace Matching Regex - Java
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Yeah, you need to grab the result of matcher.replaceAll():
String result = matcher.replaceAll(" ");
System.out.println(result);
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Does JavaScript have “Short-circuit” evaluation?
... in times of JIT-compiling-magic in javascript implementations, one does really want to know if something is "the standard" , or potentially subject to the implementation. The way a condition statement with Binary Logical Operators is evaluated and (short-curcuit) is a standard behavior ecma-interna...
What arguments are passed into AsyncTask?
...t exactly should I put, and where exactly will it go? Do I need to include all 3 or can I include 1,2,20?
5 Answers
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Jenkins Git Plugin: How to build specific tag?
... out to be critical. Although it seemed the git repositories were fetching all the remote information by default when I left it blank, the Git plugin would nevertheless completely fail to find my tag. Only when I explicitly specified "get the remote tags" in the Refspec field was the Git plugin able...
Why do I need Transaction in Hibernate for read-only operations?
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You might actually have reasons to mark transactions as read-only.
Transactions for reading might look indeed strange and often people don't mark methods for transactions in this case. But JDBC will create transaction anyway, it's just i...
DisplayName attribute from Resources?
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This actually does NOT work for accessing different translations since it will return the same value for all users no mater what. Store resourceid in a local variable and override DisplayName instead
– Fischer
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Android Studio: Default project directory
...ject at, say /home/USER/Projects/AndroidStudio/MyApplication from there on all new projects will default to /home/USER/Projects/AndroidStudio.
You can also edit ~/.AndroidStudioPreview/config/options/ide.general.xml (in linux) and change the line that reads <option name="lastProjectLocation" val...
What is your preferred php deployment strategy? [closed]
...red any disadvantages for having a svn co as a production environment? I really can't think of any disadvantages but it doesn't seem "clean" to have a svn co as production? Why not an svn export or rsync?
– ChrisR
Nov 10 '10 at 18:11
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Group a list of objects by an attribute : Java
... list);
} else {
hashMap.get(locationId).add(student);
}
If you want all the student with particular location details then you can use this:
hashMap.get(locationId);
which will get you all the students with the same the location ID.
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