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Optimistic vs. Pessimistic locking
...the differences between optimistic and pessimistic locking. Now could someone explain to me when I would use either one in general?
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What are all the common undefined behaviours that a C++ programmer should know about? [closed]
...eger overflow is well-defined for UNSIGNED integral types, just not signed ones.
– nacitar sevaht
Aug 9 '13 at 20:06
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How to call one shell script from another shell script?
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What are their differences? Why one, why another?
– rocketspacer
Mar 14 '17 at 21:39
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Hide options in a select list using jQuery
... x-browser. If I recall ie has issues. The easiest thing to do is keep a cloned copy of the select before you remove items, this allows you to easily remove and then append the missing items back.
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LINQ to Entities does not recognize the method 'System.String ToString()' method, and this method ca
I'm migrating some stuff from one mysql server to a sql server but i can't figure out how to make this code work:
11 Answer...
How do I disable fail_on_empty_beans in Jackson?
...r class, try @JsonSerialize above class declaration.
For a mapper, here's one example:
ObjectMapper mapper = new ObjectMapper();
mapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
// do various things, perhaps:
String someJsonString = mapper.writeValueAsString(someClassInstance);
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How to assign from a function which returns more than one value?
...;- functionReturningTwoValues()
If you only need the first or second component these all work too:
list[a] <- functionReturningTwoValues()
list[a, ] <- functionReturningTwoValues()
list[, b] <- functionReturningTwoValues()
(Of course, if you only needed one value then functionReturning...
PHP multidimensional array search by value
...Based on angoru answer. In later versions of PHP (>= 5.5.0) you can use one-liner.
$key = array_search('100', array_column($userdb, 'uid'));
Here is documentation: http://php.net/manual/en/function.array-column.php.
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Can I specify multiple users for myself in .gitconfig?
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One command github accounts switch
This solution takes the form of a single git alias. Once executed, the current project user will be attached to another account
Generate ssh keys
ssh-keygen -t rsa -C "rinquin.arnaud@gmail.c...