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How can a LEFT OUTER JOIN return more records than exist in the left table?
...asic LEFT OUTER JOIN to return all results from the left table and some additional information from a much bigger table. The left table contains 4935 records yet when I LEFT OUTER JOIN it to an additional table the record count is significantly larger.
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Can't find the PostgreSQL client library (libpq)
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edited Nov 23 '12 at 5:38
Marc-André Lafortune
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How can I strip all punctuation from a string in JavaScript using regex?
If I have a string with any type of non-alphanumeric character in it:
13 Answers
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Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
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Qt: can't find -lGL error
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edited Jul 30 '18 at 14:05
Rando Hinn
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Swift Beta performance: sorting arrays
I was implementing an algorithm in Swift Beta and noticed that the performance was very poor. After digging deeper I realized that one of the bottlenecks was something as simple as sorting arrays. The relevant part is here:
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Select count(*) from multiple tables
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edited Mar 5 '09 at 9:52
answered Mar 3 '09 at 12:39
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Is it intended by the C++ standards committee that in C++11 unordered_map destroys what it inserts?
... the "universal" constructor is not, in fact, supposed to always move from its argument. It's supposed to move if the argument is really an rvalue, and copy if it's an lvalue.
The behaviour, you observe, which always moves, is a bug in libstdc++, which is now fixed according to a comment on the que...
node.js global variables?
I asked here:
node.js require inheritance?
6 Answers
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Enable access control on simple HTTP server
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Unfortunately, the simple HTTP server is really that simple that it does not allow any customization, especially not for the headers it sends. You can however create a simple HTTP server yourself, using most of SimpleHTTPRequestHandler, and just add that desired header.
For that, simply c...