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How to len(generator()) [duplicate]
Python generators are very useful. They have advantages over functions that return lists. However, you could len(list_returning_function()) . Is there a way to len(generator_function()) ?
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How to replace multiple white spaces with one white space
Let's say I have a string such as:
15 Answers
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How to make a div 100% height of the browser window
I have a layout with two columns - a left div and a right div .
35 Answers
35
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php execute a background process
I need to execute a directory copy upon a user action, but the directories are quite large, so I would like to be able to perform such an action without the user being aware of the time it takes for the copy to complete.
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What is the Swift equivalent of respondsToSelector?
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As mentioned, in Swift most of the time you can achieve what you need with the ? optional unwrapper operator. This allows you to call a method on an object if and only if the object exists (not nil) and the method is implemented.
In the case where you still need r...
Maven: How to include jars, which are not available in reps into a J2EE project?
in my J2EE project I've a couple of dependencies, which are not available in any Maven repository, because they're proprietary libraries. These libraries need to be available at runtime, so that have to be copied to target/.../WEB-INF/lib ...
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How to fix getImageData() error The canvas has been tainted by cross-origin data?
My code is working very well on my localhost but it is not working on the site.
11 Answers
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curl json post request via terminal to a rails app
I'm trying to create a user on my rails app with a curl command from os x terminal. No matter how I format the data, the app returns a responses that non of my validations have passed.
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How to test if list element exists?
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This is actually a bit trickier than you'd think. Since a list can actually (with some effort) contain NULL elements, it might not be enough to check is.null(foo$a). A more stringent test might be to check that the name is actually defined ...
How to iterate a loop with index and element in Swift
Is there a function that I can use to iterate over an array and have both index and element, like Python's enumerate ?
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