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List of lists into numpy array

How do I convert a simple list of lists into a numpy array? The rows are individual sublists and each row contains the elements in the sublist. ...
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Tablet or Phone - Android

Is there a way to check if the user is using a tablet or a phone? I've got problems with my tilt function and my new tablet (Transformer) ...
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How to turn on/off ReactJS 'development mode'?

Started using ReactJS's prop validation feature , which as the docs say only works in 'development mode' for performance reasons. ...
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Write bytes to file

I have a hexadecimal string (e.g 0CFE9E69271557822FE715A8B3E564BE ) and I want to write it to a file as bytes. For example, ...
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How do I *really* justify a horizontal menu in HTML+CSS?

You find plenty of tutorials on menu bars in HTML, but for this specific (though IMHO generic) case, I haven't found any decent solution: ...
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What algorithm can be used for packing rectangles of different sizes into the smallest rectangle pos

Ive got a bunch of rectangular objects which I need to pack into the smallest space possible (the dimensions of this space should be powers of two). ...
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Unbalanced calls to begin/end appearance transitions for

I read SO about another user encountering similar error , but this error is in different case. 22 Answers ...
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Should I hash the password before sending it to the server side?

I noticed that most sites send the passwords as plain text over HTTPS to the server. Is there any advantage if instead of that I sent the hash of the password to the server? Would it be more secure? ...
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Colspan all columns

How can I specify a td tag should span all columns (when the exact amount of columns in the table will be variable/difficult to determine when the HTML is being rendered)? w3schools mentions you can use colspan="0" , but it doesn't say exactly what browsers support that value (IE 6 is in our li...
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How do I apply a diff patch on Windows?

There are plenty of programs out there that can create a diff patch, but I'm having a heck of a time trying to apply one. I'm trying to distribute a patch, and I got a question from a user about how to apply it. So I tried to figure it out on my own and found out that I have no clue, and most of the...