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How to get position of a certain element in strings vector, to use it as an index in ints vector?
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To get a position of an element in a vector knowing an iterator pointing to the element, simply subtract v.begin() from the iterator:
ptrdiff_t pos = find(Names.begin(), Names.end(), old_name_) - Names.begin();
Now you need to check pos against Names.size() to see if...
Pass complex parameters to [Theory]
... Any ideas what happened with ClassData? I canõt find it in xUnit2.0, for now, I am using MemberData with static method, which creates new instance of class, and returns that.
– Erti-Chris Eelmaa
May 16 '15 at 23:43
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Difference Between One-to-Many, Many-to-One and Many-to-Many?
...fect the one-to-many/many-to-many relationships. I'm using Hibernate right now so any explanation that's ORM related will be helpful.
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Python Empty Generator Function
...should go to Unutbu for giving the first correct version of this answer.)
Now, you may find the above clearer, but I can imagine situations in which it would be less clear. Consider this example of a long list of (contrived) generator function definitions:
def zeros():
while True:
yiel...
Where is Erlang used and why? [closed]
I would like to know a list of the most common application/websites/solutions where Erlang is used, successfully or not .
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cpuid汇编指令 - C/C++ - 清泛网 - 专注C/C++及内核技术
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jne wrong_processor
cmp ecx, 'letn'
jne wrong_processor
// now we have an Intel-Processor:
// get CPU feature flag..
mov eax,1
cpuid
mov wCPU_SerialNo_64_93,eax //处理器序列号一共96位，最高32位就是处理器签名
and edx,PSN_FLAG ...
LEFT JOIN only first row
... Wouldn't at this point a simple sub-query be better? Cause now you have a join, and a sub-query. Just asking cause I am looking for solution to same problem :)
– galdikas
Feb 11 '16 at 10:36
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Django's SuspiciousOperation Invalid HTTP_HOST header
... for the vulnerability by spoofing the header.
There is discussion right now by the Django developers to change this from a 500 internal server error to a 400 response. See this ticket.
share
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im...
Do AJAX requests retain PHP Session info?
... (<-- see e.g. the topmost comment there) is a separate question, let's now stick to the current one, with just one side-note: the most prominent issue with URL-based sessions -- the blatant visibility of the naked session ID -- is not an issue with internal Ajax calls; but then, if it's turned o...
Get the value of an instance variable given its name
...e public. What you should do is:
class Computer
attr_reader :cpus
end
Now you can do Computer.new(4).cpus.
Note that you can reopen any existing class and make a private ivar into a reader. Since an accessor is just a method, you can do Computer.new(4).send(var_that_evaluates_to_cpus)
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