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Create a Date with a set timezone without using a string representation
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@jishi—Date objects are based on a UTC time value, not local time. However, the default Date.prototype.toString method will display local time values.
– RobG
May 27 '13 at 5:54
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Difference between View and table in sql
...ns data, a view is just a SELECT statement which has been saved in the database (more or less, depending on your database).
The advantage of a view is that it can join data from several tables thus creating a new view of it. Say you have a database with salaries and you need to do some complex stat...
Which HTML elements can receive focus?
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Here I have a CSS-selector based on bobince's answer to select any focusable HTML element:
a[href]:not([tabindex='-1']),
area[href]:not([tabindex='-1']),
input:not([disabled]):not([tabindex='-1']),
select:not([disabled]):not([tabindex='-1']),
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Hidden features of Ruby
...duce code nicely, especially when I am grabbing blocks of lines from files based on some criteria.
– the Tin Man
Dec 8 '11 at 20:01
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How to log a method's execution time exactly in milliseconds?
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Anything based on NSDate is not safe for measuring passed time because the time can jump, even backwards. A much safer way is to use mach_absolute_time, as shown in many of the other answers here. This one should be downvoted for bein...
ActiveRecord.find(array_of_ids), preserving order
...ccording to the original list of IDs you used when looking up the record.
Based on the many excellent answers to Sort an array according to the elements of another array, I recommend the following solution:
Something.find(array_of_ids).sort_by{|thing| array_of_ids.index thing.id}
Or if you need ...
How do I convert a decimal to an int in C#?
...nd thus can be understood to be able to truncate even numbers that are not base 10, as opposed to Decimal.Truncate, which is a true truncation of a base 10 number.
– Brian
Jun 24 '09 at 20:55
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Getting multiple keys of specified value of a generic Dictionary?
... the missing functions to make it an IDictionary compatible class. This is based on the version with unique Key-Value Pairs. Here's the file if desired (Most work was the XMLDoc through):
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;...
How do I escape ampersands in batch files?
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From a cmd:
& is escaped like this: ^& (based on @Wael Dalloul's answer)
% does not need to be escaped
An example:
start http://www.google.com/search?client=opera^&rls=en^&q=escape+ampersand%20and%20percentage+in+cmd^&sourceid=opera^&ie=utf-8^&am...
How to do exponentiation in clojure?
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You can use java's Math.pow or BigInteger.pow methods:
(Math/pow base exponent)
(.pow (bigint base) exponent)
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