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Environment variable to control java.io.tmpdir?
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@Znik does work with oracle-java8-jdk=8u102 (linux)
– Alex
Sep 1 '16 at 21:05
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How to remove all whitespace from a string?
...ll space characters. \s is a language-independent regular-expression that does the same thing.
The stringr approach: str_replace_all and str_trim
stringr provides more human-readable wrappers around the base R functions (though as of Dec 2014, the development version has a branch built on top o...
What is the purpose of backbone.js?
...ramework. Understanding the main components is kind of important. And it does not have Controllers. Good luck.
– user3293653
Jul 20 '14 at 22:31
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How does the @property decorator work in Python?
I would like to understand how the built-in function property works. What confuses me is that property can also be used as a decorator, but it only takes arguments when used as a built-in function and not when used as a decorator.
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Is there a way to list task dependencies in Gradle?
...gradle tasks --all
EDIT: as noted by Radim in the comments, this command does not report dependencies, for gradle 3.3 and newer (see https://docs.gradle.org/3.3/release-notes.html#improved-performance-of-tasks-report).
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Mac zip compress without __MACOSX folder?
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This does not work as you think it does: -X does not exclude .DS_Store files. The reason it may work for your application is that you're only zipping *, which is a wildcard matching files that don't begin with ".". Try it on a d...
How can I get jQuery to perform a synchronous, rather than asynchronous, Ajax request?
... same thing as suggested by @Adam, but it might be helpful to someone that does want to reconfigure their jQuery.get() or jQuery.post() to the more elaborate jQuery.ajax() syntax.
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Why would I use Scala/Lift over Java/Spring? [closed]
...lly minimizes the amount of coding that you have to do for an application. Does Scala/Lift improve upon that?
10 Answers
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Quick-and-dirty way to ensure only one instance of a shell script is running at a time
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sleep 1000
rm -f ${LOCKFILE}
The trick here is the kill -0 which doesn't deliver any signal but just checks if a process with the given PID exists. Also the call to trap will ensure that the lockfile is removed even when your process is killed (except kill -9).
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Link vs compile vs controller
... a mess if you don't understand it. There is a reason for it to do what it does.
– demisx
Feb 24 '15 at 7:41
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