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Having options in argparse with a dash

... As indicated in the argparse docs: For optional argument actions, the value of dest is normally inferred from the option strings. ArgumentParser generates the value of dest by taking the first long option string and stripping away the initial -- string. Any in...
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How to prevent long words from breaking my div?

... clipboard. <wbr> element Another option is to inject <wbr>, a former IE-ism, which is now in HTML5: averyvery<wbr>longword Breaks with no hyphen: averyvery longword You can achieve the same with zero-width space character ​ (or &#x200B). FYI there's also CSS hyph...
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setTimeout / clearTimeout problems

...e after eg. 10sec of inactivity (user not clicking anywhere). I use jQuery for the rest but the set/clear in my test function are pure javascript. ...
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Ruby on Rails. How do I use the Active Record .build method in a :belongs to relationship?

...een instantiated with attributes and linked to this object through a foreign key, but have not yet been saved. Note: This only works if an associated object already exists, not if it‘s nil! The answer to building in the opposite direction is a slightly altered syntax. In your example...
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How do I convert a byte array to Base64 in Java?

...der().decode(encoded.getBytes())); println(decoded) // Outputs "Hello" For more info, see Base64. Java < 8 Base64 is not bundled with Java versions less than 8. I recommend using Apache Commons Codec. For direct byte arrays: Base64 codec = new Base64(); byte[] encoded = codec.encode("Hello".g...
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Detecting taps on attributed text in a UITextView in iOS

...appable, such that when they are tapped I get called back so that I can perform an action. I realise that UITextView can detect taps on a URL and call back my delegate, but these aren't URLs. ...
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Backbone.js: `extend` undefined?

...To load underscore first, be sure that the script tag including it comes before the one loading backbone. Like this: <script src="underscore-1.4.4-min.js"></script> <script src="backbone-1.0.0-min.js"></script> ...
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leading zeros in rails

I have fields hr and min , both integers in my application. For hr field, if the user enters "1" I would like Rails to automatically pad it to "01" before saving it to the database. Also for the min field if the user enter "0" it should put in as "00". ...
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HTML span align center not working?

...in:auto normally used to center align the content. display:table is needed for span element <span style="margin:auto; display:table; border:1px solid red;"> This is some text in a div element! </span> share...
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How to add a footer to a UITableView in Storyboard

... Thanks for the answer. It saved me a day. I was working on adding an extra cell with Button on it, and was trapped with CoreData failure when updating the tableView. I didn't know that it could be done like this. Such an easy and cl...