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Create a new Ruby on Rails application using MySQL instead of SQLite
...lready have a rails project, change the adapter in the config/database.yml file to mysql and make sure you specify a valid username and password, and optionally, a socket:
development:
adapter: mysql2
database: db_name_dev
username: koploper
password:
host: localhost
socket: /tmp/mysql....
When do you use POST and when do you use GET?
...eem absurd from a security standpoint when it leads to data exposed in log files etc., but it is fail-safe with regards to the server-side data (the serve should not modify data upon a GET). I suppose, one would set the focus differently today (preferably by dropping any default and making method ma...
How to add a default include path for GCC in Linux?
I'd like gcc to include files from $HOME/include in addition to the usual include directories, but there doesn't seem to be an analogue to $LD_LIBRARY_PATH .
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What are the differences between “git commit” and “git push”?
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@Piet it starts at your workspace, where you modify files. Then you add them to the index, commit them to the local repository and - finally - push them to the remote repository
– tanascius
Apr 3 '14 at 8:11
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Multiple commands on same line
...lems if you use | after them
| does not work consistently in configuration files, see :help map_bar
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Using Server.MapPath() inside a static field in ASP.NET MVC
... a relative virtual path. For example, Server.MapPath() allows a path of "files/file1.doc". It uses the current context to determine the path of the current page, for example, and then creates the relative path from there. If we are in ~/Subfolder/Page1.aspx, the url would map from ~/Subfolder/fi...
Adding Permissions in AndroidManifest.xml in Android Studio?
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Where is the manifest file in the project tree in Android Studio?
– djondal
Apr 15 '15 at 0:03
5
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Use of “global” keyword in Python
...above will give you:
locally defined
Traceback (most recent call last):
File "file.py", line 9, in <module>
print(me)
NameError: name 'me' is not defined
While if you use the global statement, the variable will become available "outside" the scope of the function, effectively becoming...
What does the 'b' character do in front of a string literal?
...EF\xBB\xBF' + 'Text with a UTF-8 BOM'
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: can't concat bytes to str
The b'...' notation is somewhat confusing in that it allows the bytes 0x01-0x7F to be specified with ASCII characters instead of hex number...
How to find the .NET framework version of a Visual Studio project?
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You can also search the Visual Studio project files for the XML tag RequiredTargetFramework. This tag seems to exist on .NET 3.5 and higher.
For example: <RequiredTargetFramework>3.5</RequiredTargetFramework>
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