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How to check if variable's type matches Type stored in a variable
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In order to check if an object is compatible with a given type variable, instead of writing
u is t
you should write
typeof(t).IsInstanceOfType(u)
s...
Finalize vs Dispose
...nization and raising unhandled exceptions in the finalizers.
The execution order of finalizers is non-deterministic—in other words, you can't rely on another object still being available within your finalizer.
Do not define finalizers on value types.
Don't create empty destructors. In other words,...
How to call a method defined in an AngularJS directive?
...does actually answers the OP question. It does also use isolated scope, in order to have an isolated scope you only need to add the scope property into the directive declaration.
– Daniel G.
Jul 20 '17 at 17:26
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What's the difference between IQueryable and IEnumerable
... code), which an IQueryProvider must explore/interpret/compile/whatever in order to generate results.
Having a query expression gives two advantages.
The first advantage is optimization. Because modifiers like 'Where' are included in the query expression, the IQueryProvider can apply otherwise imp...
Concatenate two string literals
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In case 1, because of order of operations you get:
(hello + ", world") + "!" which resolves to hello + "!" and finally to hello
In case 2, as James noted, you get:
("Hello" + ", world") + exclam which is the concat of 2 string literals.
Hope i...
When should I use require() and when to use define()?
...ing it".
The require() function is where you use your defined modules, in order to be sure that the modules are defined, but you are not defining new modules there.
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How is attr_accessible used in Rails 4?
...ible in the model anymore.
Dealing with accepts_nested_attributes_for
In order to use accepts_nested_attribute_for with strong parameters, you will need to specify which nested attributes should be whitelisted.
class Person
has_many :pets
accepts_nested_attributes_for :pets
end
class PeopleC...
Inserting data into a temporary table
...SERT INTO #TempTable (ID, Date, Name)
SELECT id, date, name
FROM physical_table
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How do I uninstall a package installed using npm link?
...s to be uninstalled globally - the --global flag needs to be provided.
In order to uninstall the globally linked foo package, the following command can be used (using sudo if necessary, depending on your setup and permissions)
sudo npm rm --global foo
This will uninstall the package.
To check w...
What happens if you call erase() on a map element while iterating from begin to end?
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Is the order of evaluation of the increment in the postfix expression pm_it++ guaranteed to be executed before the function is entered?
– David Rodríguez - dribeas
Mar 3 '11 at 20:56
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