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Block Declaration Syntax List

Block syntax in Objective C (and indeed C, I presume) is notoriously incongruous. Passing blocks as arguments looks different than declaring blocks as ivars, which looks different than typedef ing blocks. ...
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Center Oversized Image in Div

...ng like this. This should center any huge element in the middle vertically and horizontally with respect to its parent no matter both of their sizes. .parent { position: relative; overflow: hidden; //optionally set height and width, it will depend on the rest of the styling used } .chi...
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How do I use a custom Serializer with Jackson?

...er to extend org.codehaus.jackson.map.ser.SerializerBase as it will have standard implementations of non-essential methods (i.e. everything but actual serialization call). share | improve this answe...
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How can I center an absolutely positioned element in a div?

...ite big, this caused the outer div to go beyond the right edge of the page and cause horizontal scrolling. I swapped out the "left" css property for "right", and so far it works better since going over the left edge of the screen doesnt cause scrolling – BoomShaka ...
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How to set environment variables in Jenkins?

...ho aoeu) > propsfile Create an Inject environment variables build step and set "Properties File Path" to propsfile. Note: This plugin is (mostly) not compatible with the Pipeline plugin. share | ...
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How to check if a line is blank using regex

...e character class. * is zero-or-more repetition of. In multiline mode, ^ and $ also match the beginning and end of the line. References: regular-expressions.info/Anchors, Character Classes, and Repetition. A non-regex alternative: You can also check if a given string line is "blank" (i.e. ...
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Is it better to reuse a StringBuilder in a loop?

...e of StringBuilder. In a very long loop I'm manipulating a StringBuilder and passing it to another method like this: 14 A...
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Getting distance between two points based on latitude/longitude

I tried implementing this formula: http://andrew.hedges.name/experiments/haversine/ The aplet does good for the two points I am testing: ...
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How do you use the ellipsis slicing syntax in Python?

...it depends entirely on you, or someone else, having written code to understand it. Numpy uses it, as stated in the documentation. Some examples here. In your own class, you'd use it like this: >>> class TestEllipsis(object): ... def __getitem__(self, item): ... if item is Ell...
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jQuery: how to get which button was clicked upon form submission?

...ubmit from the form submit event? I ended up coming up with this solution and it worked pretty well: $(document).ready(function() { $("form").submit(function() { var val = $("input[type=submit][clicked=true]").val(); // DO WORK }); $("form input[type=submit]").click(fu...