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Fast way to get image dimensions (not filesize)
I'm looking for a fast way to get the height and width of an image in pixels. It should handle at least JPG, PNG and TIFF, but the more the better. I emphasize fast because my images are quite big (up to 250 MB) and it takes soooo long to get the size with ImageMagick's identify because it obv...
javascript: recursive anonymous function?
Let's say I have a basic recursive function:
19 Answers
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Is having an 'OR' in an INNER JOIN condition a bad idea?
In trying to improve the speed of an immensely slow query (several minutes on two tables with only ~50,000 rows each, on SQL Server 2008 if it matters), I narrowed down the problem to an OR in my inner join, as in:
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Allow user to set up an SSH tunnel, but nothing else
I'd like to allow a user to set up an SSH tunnel to a particular machine on a particular port (say, 5000), but I want to restrict this user as much as possible. (Authentication will be with public/private keypair).
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Can you provide some examples of why it is hard to parse XML and HTML with a regex? [closed]
...I see people making over and over again is trying to parse XML or HTML with a regex. Here are a few of the reasons parsing XML and HTML is hard:
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Detecting taps on attributed text in a UITextView in iOS
I have a UITextView which displays an NSAttributedString . This string contains words that I'd like to make tappable, such that when they are tapped I get called back so that I can perform an action. I realise that UITextView can detect taps on a URL and call back my delegate, but these aren't ...
How to detect a Christmas Tree? [closed]
Which image processing techniques could be used to implement an application that detects the Christmas trees displayed in the following images?
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What's the best practice to round a float to 2 decimals? [duplicate]
...was working with statistics in Java 2 years ago and I still got the codes of a function that allows you to round a number to the number of decimals that you want. Now you need two, but maybe you would like to try with 3 to compare results, and this function gives you this freedom.
/**
* Round to ...
Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.
Let's say I have the following data.table in R :
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Loop through properties in JavaScript object with Lodash
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