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Convert Elixir string to integer or float
...ust be the string representation of a float including a decimal point. In order to parse a string without decimal point as a float then Float.parse/1 should be used. Otherwise, an ArgumentError will be raised.
But Float.parse returns a tuple of 2 elements, not the number you want, so put it into p...
Why escape_javascript before rendering a partial?
...).append("<a href="/mycontroller/myaction">Action!</a>");
In order for this not to happen, you want to escape these special characters so your string is not cut - you need something that generates this instead:
<a href=\"/mycontroller/myaction\">Action!</a>
This what esc...
Request is not available in this context
... will also need some additional configuration on your log4net appenders in order for them to log your custom data.
This solution can be easily implemented as a custom log enhancement module. Here is sample code for it:
using System;
using System.Web;
using log4net;
using log4net.Core;
namespace Y...
PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
... and it sends you an email with a link, and you have to click that link in order to verify your account
30 Answers
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How do I show multiple recaptchas on a single page?
... add that the indexing does have to correspond with the grecaptcha.render ordering. For this example, grecaptcha.render('RecaptchaField1'... would be verified with grecaptcha.getResponse(0) and grecaptcha.render('RecaptchaField2'... would be verified with grecaptcha.getResponse(1), etc...
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Understanding the difference between __getattr__ and __getattribute__
...est' superclass (formally, the next class in the class's Method Resolution Order, or MRO) to the current object self and then calls it and lets that do the work.
All of this trouble is avoided by using __getattr__ which lets Python do it's normal thing until an attribute isn't found. At that point,...
Undo git reset --hard with uncommitted files in the staging area
...in your situation, with git add .) although it might be a bit of work. In order to add a file to the index, git adds it to the object database, which means it can be recovered so long as garbage collection hasn't happened yet. There's an example of how to do this given in Jakub Narębski's answer ...
What's wrong with nullable columns in composite primary keys?
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In order for a foreign key to work the refered must be unique (ie. all values must be distinct). Which means that it could have a single null value. All the null values could then refer to that single null if the REFERENCES woul...
why windows 7 task scheduler task fails with error 2147942667
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When to use cla(), clf() or close() for clearing a plot in matplotlib?
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They all do different things, since matplotlib uses a hierarchical order in which a figure window contains a figure which may consist of many axes. Additionally, there are functions from the pyplot interface and there are methods on the Figure class. I will discuss both cases below.
pyplot ...