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Can PostgreSQL index array columns?
...REATE TABLE "Test"("Column1" int[]);
INSERT INTO "Test" VALUES ('{10, 15, 20}');
INSERT INTO "Test" VALUES ('{10, 20, 30}');
CREATE INDEX idx_test on "Test" USING GIN ("Column1");
-- To enforce index usage because we have only 2 records for this test...
SET enable_seqscan TO o...
How to use the “required” attribute with a “radio” input field
I am just wondering how to use the new HTML5 input attribute "required" in the right way on radio buttons. Does every radio button field need the attribute like below or is it sufficient if only one field gets it?
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multiple definition of template specialization when using different objects
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answered Dec 15 '10 at 0:51
Stuart GolodetzStuart Golodetz
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What does “Document-oriented” vs. Key-Value mean when talking about MongoDB vs Cassandra?
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156
A key-value store provides the simplest possible data model and is exactly what the name sugges...
How to retrieve form values from HTTPPOST, dictionary or?
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155
You could have your controller action take an object which would reflect the form input names a...
Restore file from old commit in git
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answered Jul 8 '11 at 11:57
sehesehe
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How to frame two for loops in list comprehension python
...swered Aug 31 '13 at 18:28
user2555451user2555451
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FixedThreadPool vs CachedThreadPool: the lesser of two evils
I have a program that spawns threads (~5-150) which perform a bunch of tasks. Originally, I used a FixedThreadPool because this similar question suggested they were better suited for longer lived tasks and with my very limited knowledge of multithreading, I considered the average life of the thr...
What are the differences between .gitignore and .gitkeep?
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3583
.gitkeep isn’t documented, because it’s not a feature of Git.
Git cannot add a completely...