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How can I run a function from a script in command line?
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If the script only defines the functions and does nothing else, you can first execute the script within the context of the current shell using the source or . command and then simply call the function. See help source for more information.
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Overload constructor for Scala's Case Classes?
...f apply(bar: Int) = new Foo(bar)
}
Foo(1, 2)
Foo(1)
In Scala 2.8, named and default parameters can often be used instead of overloading.
case class Baz(bar: Int, baz: Int = 0)
new Baz(1)
Baz(1)
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python pip: force install ignoring dependencies
... @Connor there is no equivalent to "recommended packages" in any of the standard Python packaging tools: distutils, setuptools, pip. Setuptools (and pip) has "extras", but they must be explicitly selected and installed by the user.
– shadowtalker
Oct 18 '18 at...
Getting exact error type in from DbValidationException
...uation where I'm initializing my model in DatabaseInitializer() for EF 4.1 and get this annoying error "Validation failed for one or more entities. See 'EntityValidationErrors' property for more details." So, I go to this EntityValidationErrors and there is a field {System.Data.Entity.Validation....
CocoaPods and GitHub forks
This is my first time forking a GitHub project, and I'm not too competent with CocoaPods either, so please bear with me.
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NULL vs nil in Objective-C
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nil should only be used in place of an id, what we Java and C++ programmers would think of as a pointer to an object. Use NULL for non-object pointers.
Look at the declaration of that method:
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object
change:(NSDi...
Equal sized table cells to fill the entire width of the containing table
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this solution is better, and should work even with dynamically generated columns
– Imran Omar Bukhsh
Jan 22 '13 at 1:19
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Unittest setUp/tearDown for several tests
... is fired at the beginning/end of a scenario of tests? The functions setUp and tearDown are fired before/after every single test.
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What's the difference between tag and release?
...st from the GitHub blog: "Releases are first-class objects with changelogs and binary assets that present a full project history beyond Git artifacts."
A Release is created from an existing tag and exposes release notes and links to download the software or source code from GitHub.
Using GitHub...
How can I divide two integers to get a double?
...ug 19 '15 at 19:51
Shimmy Weitzhandler
88.9k116116 gold badges372372 silver badges585585 bronze badges
answered Mar 19 '09 at 4:14
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