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Best way to select random rows PostgreSQL
... @Awesome-o: The goal is to retrieve 1000 rows, I start with an extra 10 % to compensate for a few gaps or (unlikely but possible) duplicate random numbers ... the explanation is in my answer.
– Erwin Brandstetter
Feb 24 '14 at 12:53
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Append text to input field
...are two options. Ayman's approach is the most simple, but I would add one extra note to it. You should really cache jQuery selections, there is no reason to call $("#input-field-id") twice:
var input = $( "#input-field-id" );
input.val( input.val() + "more text" );
The other option, .val() can ...
Cooler ASCII Spinners? [closed]
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you get extra points if you can make a popping sound with they system speaker!
– RCIX
Apr 22 '10 at 1:51
4
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Tools to selectively Copy HTML+CSS+JS From A Specific Element of DOM [closed]
...s tool. You can install SnappySnippet from Github. It allows easy HTML+CSS extraction from the specified (last inspected) DOM node. Additionally, you can send your code straight to CodePen or JSFiddle. Enjoy!
Other features
cleans up HTML (removing unnecessary attributes, fixing indentation)
op...
How to remove item from array by value? [duplicate]
...n my application and its purpose. It saves me thinking time so that I have extra time to make the application better and not worrying about the small functions that makeup my application. Someone already invented the wheel, why would someone remake it every time they build a car?
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case-insensitive list sorting, without lowercasing the result?
I have a list of strings like this:
8 Answers
8
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What is the fastest way to compute sin and cos together?
...os instruction delivers somewhat more accuracy (double extended), but that extra accuracy gets thrown away in most programs that call the sin function, as its result is usually rounded to double precision by later arithmetic operations or a store to memory. In most situations, they deliver the same...
Looking for jQuery find(..) method that includes the current node
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@ronen An extra file for something which can be done in one line? Thanks, but no thanks.
– user659025
Nov 18 '15 at 14:58
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What is context in _.each(list, iterator, [context])?
...pluck, 2);
Even from the limited examples, you can see how powerful an "extra argument" can be for creating re-usable code. Instead of making a different callback function for each situation, you can usually adapt a low-level helper. The goal is to have your custom logic bundling a verb and two n...
Testing whether a value is odd or even
... the following? I only tested this in IE, but it was quite happy to handle strings representing numbers of any length, actual numbers that were integers or floats, and both functions returned false when passed a boolean, undefined, null, an array or an object. (Up to you whether you want to ignore l...