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How to start two threads at “exactly” the same time

The threads should start at same split second. I understand, if you do thread1.start() , it will take some milliseconds before the next execution of thread2.start() . ...
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Count with IF condition in MySQL query

I have two tables, one is for news and the other one is for comments and I want to get the count of the comments whose status has been set as approved. ...
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Java OCR implementation [closed]

...entations in pure Java? I'm curious how this would perform purely in Java, and OCR in general interests me, so I'd love to see how it's implemented in a language I thoroughly understand. Naturally, this would require that the implementation is open source, but I'm still interested in proprietary sol...
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How can I get a precise time, for example in milliseconds in Objective-C?

... NSDate and the timeIntervalSince* methods will return a NSTimeInterval which is a double with sub-millisecond accuracy. NSTimeInterval is in seconds, but it uses the double to give you greater precision. In order to calculate milli...
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Final arguments in interface methods - what's the point?

...va, it is perfectly legal to define final arguments in interface methods and do not obey that in the implementing class, e.g.: ...
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jquery.validate.unobtrusive not working with dynamic injected elements

... with the latest MVC RC? or they just fixed that? – xandy Jan 24 '11 at 10:03 1 When using the co...
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how to add records to has_many :through association in rails

... @Mischa how should i handle error if House.find(params[:house_id]) is nill.. i got error of TypeMismatch if params[:house_id] is nil.. i already using rescue. but is there any better_way..?? – Vishal Jul 30...
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Fill between two vertical lines in matplotlib

...r than one of the fill between functions. The differences is that axvspan (and axhspan) will fill up the entire y (or x) extent of the plot regardless of how you zoom. For example, let's use axvspan to highlight the x-region between 8 and 14: import matplotlib.pyplot as plt fig, ax = plt.subplots...
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What is CDATA in HTML? [duplicate]

What is the use of CDATA inside JavaScript tags and HTML? 6 Answers 6 ...
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How to use sed/grep to extract text between two words?

... Thanks! What if I wanted to find everything between "one is" and "String" in "Here is a one is a String"? (sed -e 's/one is(.*)String/\1/' ? – user1190650 Nov 6 '12 at 0:31 ...