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How to construct a std::string from a std::vector?
...a quicker/alternative/"better" way to initialize a string from a vector of chars?
7 Answers
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Using printf with a non-null terminated string
...rray is null-terminated, it just treats it as a longer array that it's sub-selecting from - which means that if you have a string with nulls in it, this will cause problems.
– lahwran
Mar 16 '16 at 0:39
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Why prefer two's complement over sign-and-magnitude for signed numbers?
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Sir , if i write char a = 12 ; and unsigned char b = 12 , is the underlying bit patter same , what really happens ?
– Suraj Jain
Dec 28 '16 at 8:28
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Is there a way to loop through a table variable in TSQL without using a cursor?
...impler code.
Depending on your data it may be possible to loop using just SELECT statements as shown below:
Declare @Id int
While (Select Count(*) From ATable Where Processed = 0) > 0
Begin
Select Top 1 @Id = Id From ATable Where Processed = 0
--Do some processing here
Update ATa...
What happens if you static_cast invalid value to enum class?
... implementers to apply to to their C++11 and C++14 compilation modes.
(*) char is required to be at least 8 bit wide, but isn't required to be unsigned. The maximum value storable is required to be at least 127 per Annex E of the C99 Standard.
Compare to [expr]/4
If during the evaluation of ...
What is @ModelAttribute in Spring MVC?
...the form to display to the user. For example it can be used to fill a HTML select:
2.Method argument
public String findPerson(@ModelAttriute(value="person") Person person) {
//..Some logic with person
return "person.jsp";
}
An @ModelAttribute on a method argument indicates the argument...
Convert a Scala list to a tuple?
... hence known at compile time. For example, (1,'a',true) has the type (Int, Char, Boolean), which is sugar for Tuple3[Int, Char, Boolean]. The reason tuples have this restriction is that they need to be able to handle a non-homogeneous types.
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docker mounting volumes on host
...ory on your hosts disk outside the container file structure, bypassing the union file system.
The idea is that your volumes can be shared between your docker containers and they will stay around as long as there's a container (running or stopped) that references them.
You can have other containers...
How do I see active SQL Server connections?
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when you have to filter for specific db selecting from sys.sysprocesses is better
– Iman
Dec 2 '13 at 4:29
2
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Disabling Chrome cache for website development
...ck (or hold left click) on the reload button at the top of the browser and select "Empty Cache and Hard Reload."
This will go beyond "Hard Reload" to empty the cache entirely, ensuring that anything downloaded via javascript or etc. will also avoid using the cache. You don't have to mess with set...