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When to use SELECT … FOR UPDATE?
...t promoted to exclusive or demoted to shared locks). Exclusive locks are incompatible with shared locks, so either SELECT or DELETE query will lock until another session commits.
In databases which use MVCC (like Oracle, PostgreSQL, MySQL with InnoDB), a DML query creates a copy of the record (in on...
ASP.NET MVC A potentially dangerous Request.Form value was detected from the client when using a cus
...on(MyViewModel myViewModel)
Brute force in web.config - definitely not recommended
In the web.config file, within the tags, insert the httpRuntime element with the attribute requestValidationMode="2.0". Also add the validateRequest="false" attribute in the pages element.
<configuration>
...
Extract elements of list at odd positions
... edited May 23 '17 at 12:26
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answered Sep 15 '12 at 1:08
TadeckTadeck
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Understanding what 'type' keyword does in Scala
... write
def doSomeThing(f: FunctorType)
which will be interpreted by the compiler as
def doSomeThing(f: (LocalDate, HolidayCalendar, Int, Boolean) => LocalDate)
This helps to avoid defining many custom types that are just tuples or functions defined on other types, for example.
There are al...
How to limit setAccessible to only “legitimate” uses?
...g and for what kind of an architecture.
If you're distributing a software component called foo.jar to the people of the world, you're completely at their mercy anyway. They could modify the class definitions inside your .jar (through reverse engineering or direct bytecode manipulation). They could ...
Scala actors: receive vs react
...t say that I have quite a lot of Java experience, but have only recently become interested in functional languages. Recently I've started looking at Scala, which seems like a very nice language.
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Overlaying histograms with ggplot2 in R
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where does f0 come from?
– Alan
Jun 11 at 15:58
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Rails formatting date
...%9N nanosecond (9 digits)
%12N picosecond (12 digits)
For the complete list of formats for strftime method please visit APIDock
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Populating a database in a Laravel migration file
...'users')->insert(
array(
'email' => 'name@domain.com',
'verified' => true
)
);
}
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Does a const reference class member prolong the life of a temporary?
... reference in your example is bound to the constructor's argument n, and becomes invalid when the object n is bound to goes out of scope.
The lifetime extension is not transitive through a function argument. §12.2/5 [class.temporary]:
The second context is when a reference is bound to a tempor...