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How can I add an item to a IEnumerable collection?

... @TimNewton you're doing it wrong. Who knows why, as nobody can tell from that snippet of error code. Protip: always catch the exception and do a ToString() on it, as that captures more error details. I'd guess you didn't include System.Linq; at the top of your file, but who knows? Try fig...
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How to show the loading indicator in the top status bar

...st call ShowNetworkActivityIndicator(); or HideNetworkActivityIndicator(); from within your app (as long as the header is included of course!). share | improve this answer | ...
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How do I check if an element is really visible with JavaScript? [duplicate]

... For the point 2. I see that no one has suggested to use document.elementFromPoint(x,y), to me it is the fastest way to test if an element is nested or hidden by another. You can pass the offsets of the targetted element to the function. Here's PPK test page on elementFromPoint. ...
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jQuery Validate - Enable validation for hidden fields

... to use: $("form").data("validator").settings.ignore = ""; as other answer from @James bellow – Mark Homer Oct 9 '15 at 14:07  |  show 7 more ...
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How to specify JVM maximum heap size “-Xmx” for running an application with “run” action in SBT?

...u see the Xmx512 up in the front? It some how doesn't pick the javaOptions from Build.scala. Any pointers? – Anand Dec 9 '14 at 6:02 ...
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removeEventListener on anonymous functions in JavaScript

....funky.type, element.funky, element.funky.capt); Since receiving feedback from Andy (quite right, but as with many examples, I wished to show a contextual expansion of the idea), here's a less complicated exposit
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How do I make jQuery wait for an Ajax call to finish before it returns?

...nctions. Those functions will only be called when the response is received from the server. share | improve this answer | follow | ...
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Quick way to list all files in Amazon S3 bucket?

... I'd recommend using boto. Then it's a quick couple of lines of python: from boto.s3.connection import S3Connection conn = S3Connection('access-key','secret-access-key') bucket = conn.get_bucket('bucket') for key in bucket.list(): print key.name.encode('utf-8') Save this as list.py, open a...
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All combinations of a list of lists

... from itertools import product list_vals = [['Brand Acronym:CBIQ', 'Brand Acronym :KMEFIC'],['Brand Country:DXB','Brand Country:BH']] list(product(*list_vals)) Output: [('Brand Acronym:CBIQ', 'Brand Country :DXB'), ...
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Confusion between factor levels and factor labels

... is set by the labels argument in the factor() function. This is different from the concept of labels in statistical packages like SPSS, and can be confusing in the beginning. What you do in this line of code df$f <- factor(df$f, levels=c('a','b','c'), labels=c('Treatment A: XYZ','Treatment ...