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Deploying my application at the root in Tomcat

I have the war file of my application. I need to deploy this at the root level. The current URL is http://localhost:8080/war_name/application_name . ...
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How to check if running as root in a bash script

I'm writing a script that requires root level permissions, and I want to make it so that if the script is not run as root, it simply echoes "Please run as root." and exits. ...
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剖析程序的内存布局 - C/C++ - 清泛网 - 专注C/C++及内核技术

...拟地址空间的布局就讲这些吧。下一篇文章将讨论内核是如何跟踪这些内存区域的。我们会分析内存映射,看看文件的读写操作是如何与之关联的,以及内存使用概况的含义。 布局 内存 程序
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How to think in data stores instead of databases?

...ays but when it comes to google products except google cloud SQL (which is mySQL) everything else is NoSQL.
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How can the Euclidean distance be calculated with NumPy?

...t(x^2 + y^2 + z^2)) so we're making a lot of sqrt calls. Math 101: dist = root ( x^2 + y^2 + z^2 ) :. dist^2 = x^2 + y^2 + z^2 and sq(N) < sq(M) iff M > N and sq(N) > sq(M) iff N > M and sq(N) = sq(M) iff N == M In short: until we actually require the distance in a unit of X rather th...
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Programmatically set the initial view controller using Storyboards

...tiateViewControllerWithIdentifier:<storyboard id>]; self.window.rootViewController = viewController; [self.window makeKeyAndVisible]; return YES; } share | improve this answer ...
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What is the difference between a Docker image and a container?

...use boot2docker on Windows). Why do we create images for applications, say mysql? At this point, how is mysql even running? Don't I need to have a Linux image to run mysql on top of? – Kenny Worden Feb 17 '15 at 16:41 ...
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PHP session lost after redirect

...rol panel (or equivalent), but you can also create a test.php file on your root directory and type: <?php echo $_SERVER['SCRIPT_FILENAME']; ?> The bit before 'test.php' is your home directory path. And of course, make sure that the folder actually exists within your root directory. (Some pr...
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How do you track record relations in NoSQL?

... not need A and you have less than Peta bytes just leave it, go ahead with MySql or Postgres. good luck share | improve this answer | follow | ...
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What did MongoDB not being ACID compliant before v4 really mean?

...a transactional database in conjunction with MongoDB. It is common to use MySQL to provide transactions for the things that absolutely need them while letting MongoDB (or any other NoSQL) do what it does best. If my solution from #1 does not work in the long run, I will investigate further into co...