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JavaScript OR (||) variable assignment explanation
...ee short-circuit evaluation for the explanation. It's a common way of implementing these operators; it is not unique to JavaScript.
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Advantages of Binary Search Trees over Hash Tables
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Remember that Binary Search Trees (reference-based) are memory-efficient. They do not reserve more memory than they need to.
For instance, if a hash function has a range R(h) = 0...100, then you need to allocate an array of 10...
Real-world applications of zygohistomorphic prepromorphisms
... Mu have a Functional Pearl using zygomorphisms to find maximally dense segments (a generalization of maximum segment sums). Zygomorphisms are seemingly a good fit for sliding window problems once you are accustomed to them.
http://www.iis.sinica.edu.tw/~scm/2010/functional-pearl-maximally-dense-se...
Colspan/Rowspan for elements whose display is set to table-cell
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How to pull a random record using Django's ORM?
...nts paintings I present on my site. On the main webpage I'd like to show some of them: newest, one that was not visited for most time, most popular one and a random one.
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Input with display:block is not a block, why not?
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Check out what I came up with, a solution using the relatively unknown box-sizing:border-box style from CSS 3. This allows a 'true' 100% width on any element regardless of that elements' padding and/or borders.
<!DOCTYPE html PUBLIC "-//W3...
Validating IPv4 addresses with regexp
...o get an efficient regex for IPv4 validation, but without much luck. It seemed at one point I had had it with (25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?(\.|$)){4} , but it produces some strange results:
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Search and replace a line in a file in Python
... to loop over the contents of a text file and do a search and replace on some lines and write the result back to the file. I could first load the whole file in memory and then write it back, but that probably is not the best way to do it.
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How to delete all rows from all tables in a SQL Server database?
... I made a new backup of what I thought was the empty database to send to someone else in an email but my 'empty' database backup was now 14 MB? What did I do wrong?
– Ben
Dec 8 '14 at 15:27
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Adding a library/JAR to an Eclipse Android project
...abit for many years of adding third-party libraries via the "User Library" mechanism in Build Path. Of course, there are at least 3 ways to add a third-party library, the one I use is the most elegant, in my humble opinion.
This will not work, however, for Android, whose Dalvik "JVM" cannot handle ...