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Efficient paging in SQLite with millions of records

...ient paging, save the first/last displayed values of the ordered field(s), and continue just after them when displaying the next page: SELECT * FROM MyTable WHERE SomeColumn > LastValue ORDER BY SomeColumn LIMIT 100; (This is explained with more detail on the SQLite wiki.) When you have multi...
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How do I ALTER a PostgreSQL table and make a column unique?

..._constraint UNIQUE ((payload::text), name); – writofmandamus Oct 6 '17 at 22:22 add a comment...
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How do you grep a file and get the next 5 lines

How do I grep a file for 19:55 and get the Line 1,2,3,4,5? 3 Answers 3 ...
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What are the differences between ipython and bpython?

What does ipython have that bpython lacks and vice versa? How do the two differ? 2 Answers ...
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Regex to replace everything except numbers and a decimal point

... is the code that I'm currently using to replace everything except numbers and a decimal point. Issue is, I can't figure out a regex that will identify everything else ...
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Can you have a within a ?

...HTML4 specification states that: Inline elements may contain only data and other inline elements Span is an inline element, therefore having span inside span is valid. There's a related question: Can <span> tags have any type of tags inside them? which makes it completely clear. HTML5 s...
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Rename an environment with virtualenvwrapper

I have an environment called doors and I would like to rename it to django for the virtualenvwrapper . 2 Answers ...
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Rounding BigDecimal to *always* have two decimal places

... Why does setScale(...) work? see BigDecimal setScale and round. – Jason Law Nov 26 '19 at 9:53 add a comment  |  ...
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Difference between jQTouch and jQuery mobile

... jQuery Mobile is looking to support all mobile devices; that is my understanding some good info here http://jquerymobile.com/strategy/ and here http://news.ycombinator.com/item?id=1602169 share | ...
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C++: variable 'std::ifstream ifs' has initializer but incomplete type

...is is pretty noobish, but I'm pretty new to C++. I'm trying to open a file and read it using ifstream : 1 Answer ...