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Resizing an image in an HTML5 canvas

... Try pica - that's a highly optimized resizer with selectable algorythms. See demo. For example, original image from first post is resized in 120ms with Lanczos filter and 3px window or 60ms with Box filter and 0.5px window. For huge 17mb image 5000x3000px resize takes ~1s ...
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Hide/Show Column in an HTML Table

...this without attaching a class to every td in the table, is there a way to select an entire column using jquery? Below is an example of the HTML. ...
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What is two way binding?

...ngs when values are transient. Hope it helps in extend of original answer selected. share | improve this answer | follow | ...
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Learning Python from Ruby; Differences and Similarities

...lues greater than 15. In Ruby, you'd have to write the following: values.select {|v| v > 15}.map {|v| v * v} The Ruby code doesn't feel as compact. It's also not as efficient since it first converts the values array into a shorter intermediate array containing the values greater than 15. Th...
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How to add a custom Ribbon tab using VBA?

...led the Custom UI Editor (CUIE), open it and then click on File | Open and select the relevant Excel File. Please ensure that the Excel File is closed before you open it via CUIE. I am using a brand new worksheet as an example. Right click as shown in the image below and click on "Office 2007 Cust...
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Why is it bad style to `rescue Exception => e` in Ruby?

...IFT-ESC), go to the "processes" tab, find your process, right click it and select "End process". If you are working with someone else's program which is, for whatever reason, peppered with these ignore-exception blocks, then putting this at the top of the mainline is one possible cop-out: %W/INT Q...
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How to prove that a problem is NP complete?

...o NP (that is that given a solution you can verify it in polynomial time) Select a known NP-complete problem L' Describe an algorithm f that transforms L' into L Prove that your algorithm is correct (formally: x ∈ L' if and only if f(x) ∈ L ) Prove that algo f runs in polynomial time ...
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How to implement Rate It feature in Android App

...lay the pop up for 3 days and 10 launches. The same is done for those that selected to rate it, however the delays is longer (not to bother the user so soon in case that he has actually rated the app. This can be changed to not be shown again, then you will have to alter the code to your like). Hope...
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Clone private git repo with dockerfile

... The answer selected for this question is not a good answer anymore. It was correct in 2014 but for 2020 this is the correct answer. – Bikal Basnet Apr 8 at 19:05 ...
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What is the difference between inversedBy and mappedBy?

...at doctrine can now safely use JOIN SQL statements instead of two separate SELECT statements. Without mappedBy, the doctrine engine would not know from the JOIN statement it will create what variable in the class 'Task' to put the category information. Hope this explains it a bit better. ...