大约有 48,000 项符合查询结果(耗时:0.0614秒) [XML]

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How are multi-dimensional arrays formatted in memory?

...array1 to this function: void function1(int **a); you'll get a warning (and the app will fail to access the array correctly): warning: passing argument 1 of ‘function1’ from incompatible pointer type Because a 2D array is not the same as int **. The automatic decaying of an array into a ...
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Hashset vs Treeset

I've always loved trees, that nice O(n*log(n)) and the tidiness of them. However, every software engineer I've ever known has asked me pointedly why I would use a TreeSet . From a CS background, I don't think it matters all that much which you use, and I don't care to mess around with hash functi...
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Check if an apt-get package is installed and then install it if it's not on Linux

I'm working on a Ubuntu system and currently this is what I'm doing: 22 Answers 22 ...
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How do I adjust the anchor point of a CALayer, when Auto Layout is being used?

...at in layoutSubviews the runtime comes dashing through all the constraints and setting the frames of all the views accordingly. In other words, the constraints are not magic; they are just a to-do list. layoutSubviews is where the to-do list gets done. And it does it by setting frames. I can't hel...
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MySQL: What's the difference between float and double?

...ndering why, I checked the mysql documentation, but honestly didn't understand what the difference is. 6 Answers ...
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Could not insert new outlet connection [duplicate]

...insert new outlet connection: Could not find any information for the class and not showing any class named "ViewController" ...
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Entity Framework 4 vs NHibernate [closed]

...ed about Entity Framework first version on the web (also on stackoverflow) and it is clear that it was not a good choice when we already have better alternative like NHibernate. But I can't find a good comparison of Entity Framework 4 and NHibernate. We can say that today NHibernate is the leader am...
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Is there a wikipedia API just for retrieve content summary?

...lagship site of the Stack Exchange Network, created in 2008 by Jeff Atwood and Joel Spolsky, as a more open alternative to earlier Q&A sites such as Experts Exchange. The name for the website was chosen by voting in April 2008 by readers of Coding Horror, Atwood's popular programming blog.\nIt f...
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Best way to simulate “group by” from bash?

... And sort ip_addresses | uniq -c | sort -nr | awk '{ print $2, $1 }' to get the ip address in the first column and count in the second. – Raghu Dodda Sep 19 '16 at 22:25 ...
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SQL Server Management Studio alternatives to browse/edit tables and run queries [closed]

... I strongly feel that we can't edit tables and can't run queries with hints using LINQ – bjan May 18 '12 at 5:28 1 ...