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How to hide databases that I am not allowed to access

...irst it helped and then I got access to another DB on the same server. I did all as described and it shoed no DB at all. In 'DB restriction' you type in the name of your databases enclosed in single quotes and separated by commas. E.g. 'db1', 'db2'. ...
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What is `params.require(:person).permit(:name, :age)` doing in Rails 4?

..., but it's actually an instance of ActionController::Parameters, which provides several methods such as require and permit. The require method ensures that a specific parameter is present, and if it's not provided, the require method throws an error. It returns an instance of ActionController::Par...
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What is a Memory Heap?

...at the heap is the portion of memory where dynamically allocated memory resides (i.e. memory allocated via malloc). Memory allocated from the heap will remain allocated until one of the following occurs: The memory is free'd The program terminates If all references to allocated memory are lost ...
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I want my android application to be only run in portrait mode?

I want my android application to be only run in portrait mode? How can I do that? 6 Answers ...
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How can Bash execute a command in a different directory context?

...ortant for running it correctly. The script affects the files that live inside the directory it is run within. 4 Answers ...
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Difference between path.normalize and path.resolve in Node.js

... path.normalize gets rid of the extra ., .., etc. in the path. path.resolve resolves a path into an absolute path. Example (my current working directory was /Users/mtilley/src/testing): > path.normalize('../../src/../src/node') '../../src/node...
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Difference between fmt.Println() and println() in Go

...ping section of the spec. From the link: Current implementations provide several built-in functions useful during bootstrapping. These functions are documented for completeness but are not guaranteed to stay in the language. They do not return a result. Function Behavior print p...
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Python integer division yields float

... Yeah I did some more digging and found that out as well. However I would imagine a decent size number of people do not realize this depending on the language they come from. – mschuett Mar 26 '1...
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Ignore .pyc files in git repository

... Just to avoid anyone else getting confused, Ignacio's interpretation of the man page is wrong. You do not need to put the *.pyc in the same directory, it is enough to put it in a parent directory (or grandparent, etc). ...
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How to create a hex dump of file containing only the hex characters without spaces in bash?

... od and hexdump commands both insert spaces in the dump and this is not ideal. 5 Answers ...