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Create an array with random values
How can I create an array with 40 elements, with random values from 0 to 39 ?
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21 Answers
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Can't find @Nullable inside javax.annotation.*
I want use @Nullable annotation to eliminate NullPointerExceptions .
I found some tutorials on the net, I noticed that this annotation comes from the package javax.annotation.Nullable ;
but when I import it a compilation error is generated: cannot find symbol
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How to find a parent with a known class in jQuery?
I have a <div> that has many other <div> s within it, each at a different nesting level. Rather than give every child <div> an identifier, I rather just give the root <div> the identifier. Here’s an example:
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How can I make a div stick to the top of the screen once it's been scrolled to?
I would like to create a div, that is situated beneath a block of content but that once the page has been scrolled enough to contact its top boundary, becomes fixed in place and scrolls with the page.
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How to hash a password
I'd like to store the hash of a password on the phone, but I'm not sure how to do it. I can only seem to find encryption methods. How should the password be hashed properly?
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Numpy index slice without losing dimension information
I'm using numpy and want to index a row without losing the dimension information.
6 Answers
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float64 with pandas to_csv
I'm reading a CSV with float numbers like this:
2 Answers
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How to return an array from JNI to Java?
I am attempting to use the android NDK.
4 Answers
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Bash script to calculate time elapsed
I am writing a script in bash to calculate the time elapsed for the execution of my commands, consider:
10 Answers
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What is Vim recording and how can it be disabled?
I keep seeing the recording message at the bottom of my gVim 7.2 window.
6 Answers
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