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Singular or plural controller and helper names in Rails
... for all controllers by default, so technically, how you name your helpers doesn't matter at all. It's just another convention to keep a controller's helper functions in a helper with the same name as the controller.
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How can I validate a string to only allow alphanumeric characters in it?
...ize database names or something internal like that you will not care if it does not run in English-speaking country.
– Ognyan Dimitrov
Jul 3 '14 at 8:04
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Properties file in python (similar to Java Properties)
...erties files as they do not contain sections, and configParser fails if it doesn't find any section header. Moreover, ini files may not include sections so this configParser doesn't seem reliable at all
– BiAiB
Jul 17 at 9:27
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Get model's fields in Django
...I've seen some examples of doing this using the _meta model attribute, but doesn't the underscore in front of meta indicate that the _meta attribute is a private attribute and shouldn't be accessed directly? ... Because, for example, the layout of _meta could change in the future and not be a stabl...
For each row in an R dataframe
...a.frame': 1 obs of x variables." But be careful, changing dostuff to row does not return a data.frame object for the outer function as a whole. Instead it returns a list of one row data-frames.
– pwilcox
May 1 '17 at 15:22
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Git alias with positional parameters
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@RobertDailey It doesn't break it, it just doesn't implement it. See stackoverflow.com/questions/342969/… for how to add it.
– Cascabel
Jun 23 '14 at 16:08
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PHP method chaining?
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$obj = new ObjectWithChainableMethods();
Call a method that effectively does a return $this; at the end:
$obj->doSomething();
Since it returns the same object, or rather, a reference to the same object, you can continue calling methods of the same class off the return value, like so:
$obj-...
Get the client IP address using PHP [duplicate]
...MOTE_ADDR'] or $_SERVER['REMOTE_HOST'] variables.
However, sometimes this does not return the correct IP address of the visitor, so we can use some other server variables to get the IP address.
The below both functions are equivalent with the difference only in how and from where the values are re...
iPhone hide Navigation Bar only on first page
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The currently accepted answer does not match the intended behavior described in the question. The question asks for the navigation bar to be hidden on the root view controller, but visible everywhere else, but the accepted answer hides the navigation bar ...
MacOSX homebrew mysql root password
...-networking
Note that if when you run echo $(brew --prefix mysql) and it does not respond as "/usr/local/opt/mysql" in bash, you will need to adjust the path accordingly.
Once you have done this, you now should have a running, unprotected MySQL instance up.
Log in and set the password
mysql -u...