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How to use Java property files?
...gPropertyNames()) {
String value = properties.getProperty(key);
System.out.println(key + " => " + value);
}
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iPhone viewWillAppear not firing
I've read numerous posts about people having problems with viewWillAppear when you do not create your view hierarchy just right. My problem is I can't figure out what that means.
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jQuery returning “parsererror” for ajax request
...in a few different ways (creating classes, etc.) but I cant seem to figure out what the problem is.
16 Answers
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How do I trim whitespace?
...)
For whitespace on the left side lstrip:
s = s.lstrip()
As thedz points out, you can provide an argument to strip arbitrary characters to any of these functions like this:
s = s.strip(' \t\n\r')
This will strip any space, \t, \n, or \r characters from the left-hand side, right-hand side, or both...
Exiting from python Command Line
... is that exit is a function. If you do not call the function it will print out the string representation of the object. This is the default behaviour for any object returned. It's just that the designers thought people might try to type exit to exit the interpreter, so they made the string represent...
What is a smart pointer and when should I use one?
...ed. You still have to create the object, but you no longer have to worry about destroying it.
SomeSmartPtr<MyObject> ptr(new MyObject());
ptr->DoSomething(); // Use the object in some way.
// Destruction of the object happens, depending
// on the policy the smart pointer class uses.
// ...
How do I rename my Git 'master' branch to 'release'?
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git checkout -b release master # Create and switch to the release branch
git push -u origin release # Push the release branch to the remote and track it
git branch -d master # Delete local master
git push --dele...
jQuery first child of “this”
...nt of the context element, hence the child selector (>). He also points out that you could just as well use the children() function, which is very similar to find() but only searches one level deep in the hierarchy (which is all you need...):
element.children(":first").toggleClass("redClass");
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How to import data from mongodb to pandas?
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For dealing with out-of-core (not fitting into RAM) data efficiently (i.e. with parallel execution), you can try Python Blaze ecosystem: Blaze / Dask / Odo.
Blaze (and Odo) has out-of-the-box functions to deal with MongoDB.
A few useful art...
Why must we define both == and != in C#?
...: Why was this designed in this way and why doesn't the compiler figure it out on its own? A lot people are saying this wasn't a design decision, but I like to think it was thought out this way, especially regarding the fact all objects have a default equality operator.
So, why doesn't the compile...