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Adding 'serial' to existing column in Postgres
... ^ ^
-- is_called
Setting the optional third parameter of setval to false will prevent the next nextval from advancing the sequence before returning a value, and thus:
the next nextval will return exactly the specified value, and sequ...
How to describe “object” arguments in jsdoc?
...*
* @typedef {Object} Person
* @property {string} name how the person is called
* @property {number} age how many years the person lived
*/
You can then use this in a @param tag:
/**
* @param {Person} p - Description of p
*/
Or in a @returns:
/**
* @returns {Person} Description
*/
Fo...
DLL and LIB files - what and why?
...insert the compiled code into your program. Static libraries are sometimes called 'archives' for this reason.
Dynamic libraries take this one step further. It seems wasteful to have multiple copies of the library functions taking up space in each of the programs. Why can't they all share one copy ...
how to pass an integer as ConverterParameter?
...
@Zeus Typically ProvideValue is only called once per markup extension instance, so the boxing should only occur once anyway. By not doing it in the constructor, I avoid boxing altogether if ProvideValue is never called. As for making V...
Dependency Inject (DI) “friendly” library
...y the Hollywood Principle
The Hollywood Principle in DI terms says: Don't call the DI Container, it'll call you.
Never directly ask for a dependency by calling a container from within your code. Ask for it implicitly by using Constructor Injection.
Use Constructor Injection
When you need a depen...
When would I use Task.Yield()?
...
When you use async/await, there is no guarantee that the method you call when you do await FooAsync() will actually run asynchronously. The internal implementation is free to return using a completely synchronous path.
If you're making an API where it's critical that you don't block and you...
Firefox Add-on RESTclient - How to input POST parameters?
...value2
Once you copy such type of URL in Firefox REST client make a POST call to the server you want
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python max function using 'key' and lambda expression
...es the items using their original values (strings are compared lexicographically so you'd get '2' as output) :
>>> max(lis)
'2'
To compare the items by their integer value use key with a simple lambda:
>>> max(lis, key=lambda x:int(x)) # compare `int` version of each item
'111...
Mocking Extension Methods with Moq
...eworks that use .NET's profiler API to mock objects and so can replace any calls. The two I know are Telerik's JustMock and TypeMock Isolator.
– Marcel Gosselin
Aug 24 '11 at 4:34
...
Python Regex instantly replace groups
...stitution (replace) function. The replacement string can be filled with so-called backreferences (backslash, group number) which are replaced with what was matched by the groups. Groups are counted the same as by the group(...) function, i.e. starting from 1, from left to right, by opening parenthes...