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Example for sync.WaitGroup correct?

... wg.Wait() fmt.Println("Done") } However, it is rather pointless to call wg.Add over and over again when you already know how many times it will be called. Waitgroups panic if the counter falls below zero. The counter starts at zero, each Done() is a -1 and each Add() depends on the parame...
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Creating a DateTime in a specific Time Zone in c#

... constructor that takes a DateTime and TimeZoneInfo, but given that you're calling the dateTime.ToUniversalTime() method, I suspect you are guessing it to "maybe" be in local time. In that case, I think you should really be using the passed-in TimeZoneInfo to convert it to UTC since they're telling ...
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Javascript Drag and drop for touch devices [closed]

...er("touchcancel", touchHandler, true); } And in your document.ready just call the init() function code found from Here share | improve this answer | follow ...
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Django - How to rename a model field using South?

...s important to remember how Django creates table names: Django automatically derives the name of the database table from the name of your model class and the app that contains it. A model's database table name is constructed by joining the model's "app label" -- the name you used in manage.py st...
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Fastest Way of Inserting in Entity Framework

...SavingChanges (for each record)..." That's the worst thing you can do! Calling SaveChanges() for each record slows bulk inserts extremely down. I would do a few simple tests which will very likely improve the performance: Call SaveChanges() once after ALL records. Call SaveChanges() after for ...
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jQuery Validate Plugin - How to create a simple custom rule?

... got it to work by inserting a variable that is called result before the addmethod, seems the true, false values are registering properly within the success function – Mikelangelo May 27 '10 at 9:19 ...
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How to pass a single object[] to a params object[]

...ntire language, not just this case. for example, we could force all param calls to be Foo(obj[0], obj[1]), and then have a separate spread operator allowing Foo(...obj). – whitneyland Dec 15 '17 at 19:21 ...
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How to put a delay on AngularJS instant search?

... { if (nVal !== oVal) { myDebouncedFunction(); } }); Basically you're telling angular to run myDebouncedFunction(), when the the msg scope variable changes. The attribute ng-model-options="{debounce: 1000}" makes sure that msg can only update once a second. ...
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How do Mockito matchers work?

... Mockito matchers are static methods and calls to those methods, which stand in for arguments during calls to when and verify. Hamcrest matchers (archived version) (or Hamcrest-style matchers) are stateless, general-purpose object instances that implement Matcher&lt...
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What are some common uses for Python decorators? [closed]

...ing(): # etc @synchronzied(lock) def do_something_else(): # etc Basically it just puts lock.acquire() / lock.release() on either side of the function call. share | improve this answer ...