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Rails: how do I validate that something is a boolean?
Does rails have a validator like validates_numericality_of for boolean or do I need to roll my own?
5 Answers
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How to redirect to a dynamic login URL in ASP.NET MVC
...sts pages for clients. The first segment of the URL will be a string which identifies the client, defined in Global.asax using the following URL routing scheme:
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What does “atomic” mean in programming?
...;
Or to synchronize every access to the variable:
public synchronized void setFoo(long value) {
this.foo = value;
}
public synchronized long getFoo() {
return this.foo;
}
// no other use of foo outside of these two methods, unless also synchronized
Or to replace it with an AtomicLong:
...
How to find children of nodes using BeautifulSoup
... edited Oct 15 '18 at 10:47
David A
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answered Apr 9 '13 at 3:30
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When to create a new app (with startapp) in Django?
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James Bennett has a wonderful set of slides on how to organize reusable apps in Django.
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GLib compile error (ffi.h), but libffi is installed
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Get the creation date of a stash
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git stash list --date=short give you date only, in fixed width YYYY-MM-DD format that is easy to visually scan.
– Tor Klingberg
Jan 17 '17 at 16:38
add a comm...
Iterating Over Dictionary Key Values Corresponding to List in Python
... think an answer worthy, please upvote (click the "up" button on the left side of the post)! That way you're helping the community, too!
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Sep 14 '11 at 8:10
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Run class in Jar file
...e directory where myJar.jar file is and that myClass has a public static void main() method on it:
You use the following command line:
java -cp ./myJar.jar myClass
Where:
myJar.jar is in the current path, note that . isn't in the current path on most systems. A fully qualified path is preferre...
Following git-flow how should you handle a hotfix of an earlier release?
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