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Active Record - Find records which were created_at before today
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Using ActiveRecord the standard way:
MyModel.where("created_at < ?", 2.days.ago)
Using the underlying Arel interface:
MyModel.where(MyModel.arel_table[:created_at].lt(2.days.ago))
Using a thin layer over Arel:
MyModel.where(MyModel[:created_at] < 2.d...
Get an array of list element contents in jQuery
...ld do the trick. To get the final output you're looking for, join() plus some concatenation will do nicely:
var quotedCSV = '"' + optionTem>x m>ts.join('", "') + '"';
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How many constructor arguments is too many?
...ermediate object, and then create our target object in a single step.
An em>x m>ample of the fluent interface in action would be:
public class CustomerBuilder {
String surname;
String firstName;
String ssn;
public static CustomerBuilder customer() {
return new CustomerBuilder();...
How to split a string, but also keep the delimiters?
I have a multiline string which is delimited by a set of different delimiters:
23 Answers
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How does RewriteBase work in .htaccess
I have seen this in a few .htaccess em>x m>amples
8 Answers
8
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iterating over each character of a String in ruby 1.8.6 (each_char)
I am new to ruby and currently trying to operate on each character separately from a base String in ruby. I am using ruby 1.8.6 and would like to do something like:
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What is the difference between Nem>x m>us and Maven?
What is the difference between Nem>x m>us and Maven ?
3 Answers
3
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Using sed and grep/egrep to search and replace
I am using egrep -R followed by a regular em>x m>pression containing about 10 unions, so like:
.jpg | .png | .gif etc. This works well, now I would like to replace all strings found with .bmp
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emacs zoom in/zoom out
Is there a way to zoom in and out (dynamically change the font size, quite smoothly) on emacs?
3 Answers
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MySQL: how to get the difference between two timestamps in seconds
Is there a way I can make a query in MySQL that will give me the difference between two timestamps in seconds, or would I need to do that in PHP? And if so, how would I go about doing that?
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