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Why use String.Format? [duplicate]

...n a single expression it will be converted, by the compiler, into a single call to string.Concat, and there will not be any intermediate strings created. Using a StringBuilder would in fact hurt performance, not help it, since Concat can create an internal buffer of exactly the right size from the ...
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Do DOM tree elements with ids become global variables?

...re's no point in using an id-to-element lookup cache, because browsers typically optimise the getElementById call to use a quick lookup anyway; all you get is problems when elements change id or are added/removed from the document. Opera copied IE, then WebKit joined in, and now both the previously...
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Event handler not working on dynamic content [duplicate]

...ormed. However, the .on method does not seems to be working on the dynamically created tag B. 2 Answers ...
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How to scroll to bottom in a ScrollView on activity startup

... I'm trying exactly this but it doesn't seem to work still... are you calling the above code in onCreate of the containing Activity? – pstanton Jul 20 '11 at 11:03 ...
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ASP.NET WebApi unit testing with Request.CreateResponse

...r my ApiController and faced some issues. There is a nice extension method called Request.CreateResponse that helps a lot with generating response. ...
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Can we pass parameters to a view in SQL?

...ring must be done outside the view (like "Get all the orders for customers called Miller" or "Get unprocessed orders that came in on Dec 24th"). share | improve this answer | ...
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How can I get all the request headers in Django?

...ng HTTP_ part. Is this possible through lambda functions? (I think they're called lambda functions) I'm asking this because I would probably go on do it the long way by first iterating over them, then checking to see if it begins with a HTTP_ and then adding it to the new dictionary. Thanks again. ...
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jQuery $(“#radioButton”).change(…) not firing during de-selection

... Looks like the change() function is only called when you check a radio button, not when you uncheck it. The solution I used is to bind the change event to every radio button: $("#r1, #r2, #r3").change(function () { Or you could give all the radio buttons the sam...
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Windows can't find the file on subprocess.call()

... When the command is a shell built-in, add a 'shell=True' to the call. E.g. for dir you would type: import subprocess subprocess.call('dir', shell=True) To quote from the documentation: The only time you need to specify shell=True on Windows is when the command you wish to execute ...
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Is there a __CLASS__ macro in C++?

... The closest thing there's is to call typeid(your_class).name() - but this produces compiler specific mangled name. To use it inside class just typeid(*this).name() share |...