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Is Java's assertEquals method reliable?
...issues when comparing two Strings . It seems that String.equals() is a better approach. Well, I'm doing JUnit testing and my inclination is to use assertEquals(str1, str2) . Is this a reliable way to assert two Strings contain the same content? I would use assertTrue(str1.equals(str2)) , bu...
Reshape three column data frame to matrix (“long” to “wide” format) [duplicate]
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There are many ways to do this. This answer starts with what is quickly becoming the standard method, but also includes older methods and various other methods from answers to similar questions scattered around this site.
tmp <- data.frame(x=gl(2,3, labels=letters[24:25]),
y...
Notepad++ - How can I replace blank lines [duplicate]
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answered Aug 7 '11 at 17:20
YetAnotherUserYetAnotherUser
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The ViewData item that has the key 'MY KEY' is of type 'System.String' but must be of type 'IEnumera
I am trying to populate a dropdown list from a database mapped with Linq-2-SQL, using ASP.NET MVC 2, and keep getting this error.
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CSS Child vs Descendant selectors
I am a bit confused between these 2 selectors.
8 Answers
8
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Python argparse mutual exclusive group
...options within the group mutually exclusive.
What you're looking for is subcommands. Instead of prog [ -a xxxx | [-b yyy -c zzz]], you'd have:
prog
command 1
-a: ...
command 2
-b: ...
-c: ...
To invoke with the first set of arguments:
prog command_1 -a xxxx
To invoke with th...
Seeding the random number generator in Javascript
Is it possible to seed the random number generator (Math.random) in Javascript?
13 Answers
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Using try vs if in python
... to decide which one of try or if constructs to use, when testing variable to have a value?
9 Answers
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Passing arguments forward to another javascript function
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Use .apply() to have the same access to arguments in function b, like this:
function a(){
b.apply(null, arguments);
}
function b(){
alert(arguments); //arguments[0] = 1, etc
}
a(1,2,3);
You can test it out here.
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How to use regex in String.contains() method in Java
...words "stores", "store", and "product" in that order, no matter what is in between them.
5 Answers
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