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ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.al

...ch was causing all sorts of problems. I was inadvertently doing a bitwise AND instead of a logical AND . 6 Answers ...
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How to use OpenSSL to encrypt/decrypt files?

I want to crypt and decrypt one file using one password. 10 Answers 10 ...
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How big should a UIBarButtonItem image be?

I'm looking to create my own custom Sort By Date and Sort By Number buttons that I plan on placing in the navigation bar as the right button. ...
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Swipe to Delete and the “More” button (like in Mail app on iOS 7)

... "Not called for edit actions using UITableViewRowAction - the action's handler will be invoked instead." However, the swiping doesn't work without it. Even if the method stub is blank, it still needs it, for now. This is most obviously a bug in beta 2. Sources https://twitter.com/marksands/...
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jQuery set radio button

... +1 for prop vs attr. attr deprecated for properties and no longer work in jQuery 2.0 )) – gavenkoa Dec 20 '13 at 16:09 add a comment  ...
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CSS: Control space between bullet and

... @Wolle Hmmm. It's an old comment, and I'm not sure of the concern -- If it's as to whether <SPAN> can utilize id or class tags, take a look at W3C. If the question is whether it can convey semantic meaning, see this answer. Technically, the <SPAN>...
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Sending a mail from a linux shell script

I want to send an email from a Linux Shell script. What is the standard command to do this and do I need to set up any special server names? ...
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How to change the background color of a UIButton while it's highlighted?

...hlighted UIButton (for example when a user has his finger on the button) and I need to change the background color while the button is highlighted (so while the finger of the user is still on the button). ...
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How to exit if a command failed?

I am a noob in shell-scripting. I want to print a message and exit my script if a command fails. I've tried: 8 Answers ...
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Windows API Code Pack: Where is it? [closed]

Why has itself and the evidence it ever existed been removed? 6 Answers 6 ...