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How to wait for all goroutines to finish without using time.Sleep?

...lution that was commonly used before WaitGroups were introduced. The basic idea is to use a channel to say "I'm done," and have the main goroutine wait until each spawned routine has reported its completion. func main() { c := make(chan struct{}) // We don't need any data to be passed, so use a...
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Restore Eclipse subversion project connection

... the command line). Hope this helps as to why this would happen I have no idea share | improve this answer | follow | ...
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Does Android support near real time push notification?

...as a standalone library. You may also consider PubSubHubub, but I have no idea the network usage of it. I believe it is built atop of XMPP. share | improve this answer | fol...
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What is the dual table in Oracle?

...elf, but instead used inside a view that was expected to be queried. The idea was that you could do a JOIN to the DUAL table and create two rows in the result for every one row in your table. Then, by using GROUP BY, the resulting join could be summarized to show the amount of storage for ...
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The model backing the context has changed since the database was created

... The best solution. It cause my solution to run, and I have no idea what the ramifications are. Commit and deploy. – Svend Jan 31 '19 at 9:48 add a comment ...
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get all keys set in memcached

... This is nifty, but it misses some keys, any idea why ? – user May 29 at 7:02 add a comment  |  ...
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erb, haml or slim: which one do you suggest? And why? [closed]

... Premature optimization isn't a good idea if it requires a lot of additional work, but simply choosing one similar library over another because of a significant performance benefit is not premature. – Jamon Holmgren Apr 14 ...
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How do I get rid of “[some event] never used” compiler warnings in Visual Studio?

...s is useful; not going to keep in place, but just something to get current idea running... – dudeNumber4 Dec 1 '16 at 15:25 add a comment  |  ...
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How can I implode an array while skipping empty array items?

... Yeah, that's backward. But you gave me the right idea implode('-', array_filter($ary, create_function('$a', 'return $a!="";'))); – Tom Auger May 12 '11 at 23:12 ...
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How to increment a NSNumber

...For floating point stuff the short answer is the following, but it's a bad idea to do this, you'll loose precision and if you're doing any kind of comparison later like [myNSNumber isEqual:@(4.5)] you might be surprised: myNSNumber = @(myNSNumber.floatValue + 1); If you need to do math on floatin...