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How to redirect to previous page in Ruby On Rails?
I have a page that lists all of the projects that has sortable headers and pagination.
7 Answers
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Convert String to SecureString
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All I see is *****
– Ian Boyd
Nov 21 '17 at 19:48
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Show percent % instead of counts in charts of categorical variables
...for 'ggplot count vs percentage histogram' so hopefully this helps distill all the information currently housed in comments on the accepted answer.
Remark: If hp is not set as a factor, ggplot returns:
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Running code in main thread from another thread
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No. If you subclass Handler (or use Handler.Callback interface) your handleMessage() method will ONLY be called for messages that have been posted using your handler. The main thread is using a different handler to post/process messages so there is no conflict.
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Disable/enable an input with jQuery?
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As an aside, remember that, if you want to disable ALL form input controls - incl. checkboxes, radios, textareas, etc. - you have to select ':input', not just 'input'. The latter selects only actual <input> elements.
– Cornel Masson
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How do I apply the for-each loop to every character in a String?
...cost penalty.
From the documentation:
[toCharArray() returns] a newly allocated character array whose length is the length of this string and whose contents are initialized to contain the character sequence represented by this string.
There are more verbose ways of iterating over characters i...
Cast List to List
...List<Apple>();
List<IFruit> fruit = apples; // Fortunately not allowed
fruit.Add(new Banana());
// Eek - it's a banana!
Apple apple = apples[0];
Now you can convert a List<Apple> to an IEnumerable<IFruit> in .NET 4 / C# 4 due to covariance, but if you want a List<IFruit...
How to increase the execution timeout in php?
...me stuff in the php.ini it may be a newbie question, but an legit question all the same.
– Hannes
Sep 30 '10 at 10:13
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Debugging App When Launched by Push Notification
... currently developing an app that receives Push Notifications. I have this all working 100% through a PHP page. There are several different types of push notifications my app can receive. The PHP handles this and sends different packets of information to my app which are all received just fine.
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How do I execute a bash script in Terminal?
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The advice to cd anywhere at all perpetrates another common beginner misunderstanding. Unless the script internally has dependencies which require it to run in a particular directory (like, needing to read a data file which the script inexplicably doesn'...