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Is there a constraint that restricts my generic method to numeric types?
...uce Eckel:
And it's not clear that the added complexity is worth the small yield that you get. If something you want to do is not directly supported in the constraint system, you can do it with a factory pattern. You could have a Matrix<T>, for example, and in that Matrix you would like to...
psql: FATAL: role “postgres” does not exist
...s new posgres user won't have a password?
– olaoluwa_98
Nov 30 '19
How to change the default charset of a MySQL table?
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If you want to change the table default character set and all character columns to a new character set, use a statement like this:
ALTER TABLE tbl_name CONVERT TO CHARACTER SET charset_name;
So query will be:
ALTER TABLE etape_prospection CONVERT TO CHARACTER SET utf8;
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Visualizing branch topology in Git
...n on my own machine, and I find it difficult to maintain a mental model of all my branches and commits. I know I can do a git log to see the commit history from where I am, but is there a way to see the entire branch topography, something like these ASCII maps that seem to be used everywhere for e...
How To Accept a File POST
... Files are being saved as BodyPart_8b77040b-354b-464c-bc15-b3591f98f30f. Should not they be saved like pic.jpg exactly as it was on the client?
– lbrahim
Aug 13 '14 at 12:35
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What is the purpose of Rank2Types?
I am not really proficient in Haskell, so this might be a very easy question.
6 Answers
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angularjs directive call function specified in attribute and pass an argument to it
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98
Marko's solution works well.
To contrast with recommended Angular way (as shown by treeface's...
Best way to test for a variable's existence in PHP; isset() is clearly broken
... This looks a bit ugly to me, but in the case where you're actually checking an array element, it makes much more sense: isset($foo[$bar]) becomes array_key_exists($bar, $foo)
– Arild
Aug 25 '14 at 14:12
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PHP Multidimensional Array Searching (Find key by specific value)
...e are other threads about searching multidimensional arrays, but I'm not really understanding enough to apply to my situation. Thanks very much for any help!
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Provide an image for WhatsApp link sharing
.... But as soon as you use that link once, this "please note" section starts all over again.
Step 1: title
Maximum of 65 characters
<title>your keyword rich title of the website and/or webpage</title>
Step 2: description
Maximum of 155 characters
<meta name="description" content="des...