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What is the best way to compute trending topics or tags?
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For anyone who would like it, I now have SQL queries to do this.
– thouliha
Feb 8 '16 at 13:42
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What does Expression.Quote() do that Expression.Constant() can’t already do?
... wants to process expression trees into some other query language (such as SQL) could look out for a ConstantExpression with type Expression instead of a UnaryExpression with the special Quote node type, and everything else would be the same.
You are correct. We could encode semantic information t...
Comparison of full text search engine - Lucene, Sphinx, Postgresql, MySQL?
...use it talks directly to the database. Any slowness will come from complex SQL queries and un-indexed foreign keys and other such problems. I've never noticed any slowness in searching either.
I'm a Rails guy, so I've no idea how easy it is to implement with Django. There is a Python API that comes ...
How can you do anything useful without mutable state?
... ones in my new tree.
Using a more significant example, I also wrote this SQL parser which is totally stateless (or at least my code is stateless, I don't know whether the underlying lexing library is stateless).
Stateless programming is just as expressive and powerful as stateful programming, it ...
Is Unit Testing worth the effort? [closed]
... Testing is all about happiness. I've got a 3900-line package (PL/SQL) that handles automated postings to the general ledger system. Now, I personally hate dealing with accountants - they're so picky about little things like fractional pennies and stuff. Buncha anal-retentive arithmetic gee...
Bidirectional 1 to 1 Dictionary in C#
...er robustness you need to treat all the operations as the equivalent of an SQL transaction. For example, what happens to the overall dictionary state in Add(), if the firstToSecond.Add() throws an exception?
– Peter M
Nov 6 '08 at 13:16
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Managing relationships in Laravel, adhering to the repository pattern
...likely to change data sources to something Eloquent can't handle (to a non-sql data source).
ORMS
The trickiest part of this setup, for me at least, is determing if Eloquent is actually helping or harming us. ORMs are a tricky subject, because while they help us greatly from a practical point of v...
User recognition without cookies or local storage
...sue if that was the main issue. you can still have the bridge between your sql database and the key on the user local machine.
– Mbarry
Apr 19 '13 at 1:05
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Force LF eol in git repo and working copy
...at-eol,-blank-at-eof,-space-before-tab,tab-in-indent,tabwidth=2 diff=php
*.sql text eol=lf whitespace=blank-at-eol,-blank-at-eof,-space-before-tab,tab-in-indent,tabwidth=2
*.svg text eol=lf whitespace=blank-at-eol,-blank-at-eof,-space-before-tab,tab-in-indent,tabwidth=2
*.theme text eol=lf...
How can I sort arrays and data in PHP?
...['baz'] - $b['baz'];
}
}
For those familiar, this is equivalent to an SQL query with ORDER BY foo, baz.
Also see this very neat shorthand version and how to create such a comparison function dynamically for an arbitrary number of keys.
Sorting into a manual, static order
If you want to sort ele...