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Python constructors and __init__
...e new method, rendering the first method inaccessible.
As to your general question about constructors, Wikipedia is a good starting point. For Python-specific stuff, I highly recommend the Python docs.
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What's the best way to learn LISP? [closed]
I have been programming in Python, PHP, Java and C for a couple or years now, and I just finished reading Hackers and Painters, so I would love to give LISP a try!
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How to get first character of a string in SQL?
...ver may be able to optimise LEFT better than SUBSTRING when it is using an index.
– thomasrutter
Apr 27 '09 at 5:26
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How to interpolate variables in strings in JavaScript, without concatenation?
I know in PHP we can do something like this:
16 Answers
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What is the difference between CascadeType.REMOVE and orphanRemoval in JPA?
... answered Nov 6 '18 at 11:52
Mr.QMr.Q
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Heap vs Binary Search Tree (BST)
...ust start from the top
In a binary heap, increasing the value at a given index is also O(1) for the same reason. But if you want to do that, it is likely that you will want to keep an extra index up-to-date on heap operations How to implement O(logn) decrease-key operation for min-heap based Prior...
find -exec cmd {} + vs | xargs
...his can be a security vulnerability as if there is a filename like "foo -o index.html" then -o will be treated as an option. Try in empty directory: "touch -- foo\ -o\ index.html; find . | xargs cat". You'll get: "cat: invalid option -- 'o'"
– Tometzky
May 28 '...
Limit number of characters allowed in form input text field
...f the submitted data on the server before processing (using something like php or asp) as it's quite easy to get around the basic MAXLENGTH restriction anyway
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Specifying and saving a figure with exact size in pixels
...at large, so you won't be able to show a figure of that size (matplotlib requires the figure to fit in the screen, if you ask for a size too large it will shrink to the screen size). Let's imagine you want an 800x800 pixel image just for an example. Here's how to show an 800x800 pixel image in my mo...
Add line break to ::after or ::before pseudo-element content
I do not have access to the HTML or PHP for a page and can only edit via CSS. I've been doing modifications on a site and adding text via the ::after or ::before pseudo-elements and have found that escape Unicode should be used for things such as a space before or after the added content.
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