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What is the correct way of using C++11's range-based for?
... ctor.
3 X copy ctor.
5 X copy ctor.
7 X copy ctor.
9
As it can be read from the output, copy constructor calls are made during range-based for loop iterations.
This is because we are capturing the elements from the container by value
(the auto x part in for (auto x : v)).
This is inefficient c...
vertical alignment of text element in SVG
...ideographic | alphabetic | hanging | mathematical |
inherit
Description from w3c
This property specifies how an object is aligned with respect to its
parent. This property specifies which baseline of this element is to
be aligned with the corresponding baseline of the parent. For example,...
What strategies and tools are useful for finding memory leaks in .NET?
...n's memory allocation may grow throughout the life of the application.
From How to identify memory leaks in the common language runtime at Microsoft.com
A memory leak can occur in a .NET
Framework application when you use
unmanaged code as part of the
application. This unmanaged code ...
In Python, how do I use urllib to see if a website is 404 or 200?
...
To use in python 3, just use from urllib.request import urlopen.
– Nathanael Farley
May 15 '16 at 20:17
4
...
How do I convert an array object to a string in PowerShell?
...
From a pipe
# This Is a cat
'This', 'Is', 'a', 'cat' | & {"$input"}
# This-Is-a-cat
'This', 'Is', 'a', 'cat' | & {$ofs='-';"$input"}
Write-Host
# This Is a cat
Write-Host 'This', 'Is', 'a', 'cat'
# This-Is-a-c...
What is the point of noreturn?
...mpson If a call to a noreturn function is wrapped in a try-block, any code from the catch block on will count as reachable again.
– sepp2k
Jun 24 '16 at 8:15
2
...
How to take emulator screenshots using Eclipse?
...ed to use the Other... submenu and dialog, as Devices is also the 4th item from the top in the Show View submenu.
– mklement0
Sep 7 '13 at 15:29
1
...
String to LocalDate
...
You may have to go from DateTime to LocalDate.
Using Joda Time:
DateTimeFormatter FORMATTER = DateTimeFormat.forPattern("yyyy-MMM-dd");
DateTime dateTime = FORMATTER.parseDateTime("2005-nov-12");
LocalDate localDate = dateTime.toLocalDate();
...
Meaning of Open hashing and Closed hashing
...instead once an object is hashed, it is stored in a list which is separate from the hash table's internal array. "open" refers to the freedom we get by leaving the hash table, and using a separate list. By the way, "separate list" hints at why open hashing is also known as "separate chaining".
In s...
Git search for string in a single file's history
...
Or maybe you can try this one (from related questions Search all of git history for string)
git rev-list --all foo.rb | (
while read revision; do
git grep -F 'bar' $revision foo.rb
done
)
It will actually look for file content and not co...