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What exactly do “u” and “r” string flags do, and what are raw string literals?
...by calling unicode('text')
So u is just a short way to call a function to cast str to unicode. That's it!
Now the r part, you put it in front of the text to tell the computer that the text is raw text, backslash should not be an escaping character. r'\n' will not create a new line character. It's ...
Are there any disadvantages to always using nvarchar(MAX)?
...ost everything, from index to delete, update and inserts. "
http://sqlblogcasts.com/blogs/simons/archive/2006/02/28/Why-use-anything-but-varchar_2800_max_2900_.aspx
Integration implications - hard for other systems to know how to integrate with your database
Unpredictable growth of data
Possible s...
Actionbar notification count icon (badge) like Google has
...tifCount(...) is useless. Just call setText(...) on the badge. And you can cast getActionView() to Button directly.
– caw
Mar 1 '14 at 15:30
4
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Can I use view pager with views (not with fragments)
...
you dont need to cast to ViewPager at all as you are dealing with the ViewGroup interface
– Dori
Sep 1 '15 at 17:02
...
What is the fastest integer division supporting division by zero no matter what the result is?
...
Awesome. Can be made constexpr and avoid needless type casts like this: template<typename T, typename U> constexpr auto fdiv( T t, U u ) -> decltype(t/(u+!u)) { return t/(u+!u); } And if you want 255, (lhs)/(rhs+!rhs) & -!rhs
– Yakk - Adam Nevr...
What does it mean to “program to an interface”?
...ecause they have that method, while you can't call other methods without a cast. However, each objects individual BeAnnoying() method will be called.
– D. Ben Knoble
May 26 '15 at 1:16
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Is JavaScript an untyped language?
...r
Strongly typed means there is a compiler, and it wants you an explicit cast from string to integer.
(int) "12345" * 1 === 12345
In either case, some compiler's features can implicitly alter the instruction during compile-time to do conversions for you, if it can determine that is the right th...
How do I grant myself admin access to a local SQL Server instance?
...rc = sp_addsrvrolemember '$(sqllogin)', 'sysadmin'; print 'RETURN_CODE : '+CAST(@rc as char)"`) do if .%%i == .RETURN_CODE set sqlresult=%%j
rem
rem stop the SQL service
rem
@echo Stop the '%sqlservice%' service ...
net stop %sqlservice%
if errorlevel 1 goto stoperror
...
Using smart pointers for class members
...t a client from moving (unless the client is a mad scientist keen on const_casts), I personally wouldn't do it. It exposes an implementation detail, i.e. the fact that ownership is unique and realized through a unique_ptr. I see things this way: if you want/need to pass/return ownership, pass/return...
When is an interface with a default method initialized?
...p->local_interfaces()->at(i);
InstanceKlass* ik = InstanceKlass::cast(iface);
if (ik->has_default_methods() && ik->should_be_initialized()) {
ik->initialize(THREAD);
....
}
}
}
So this initialization has been implemented explicitly as a new Step 7.5. T...