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In C++, is it still bad practice to return a vector from a function?
... Guidelines.
Let's compare:
std::vector<int> BuildLargeVector1(size_t vecSize) {
return std::vector<int>(vecSize, 1);
}
with:
void BuildLargeVector2(/*out*/ std::vector<int>& v, size_t vecSize) {
v.assign(vecSize, 1);
}
Now, suppose we need to call these methods ...
Git merge without auto commit
...merged in (as opposed to a traditional merge) you need to run rm .git/MERGE_HEAD afterward, which will force git to forget that the merge happened.
– Jonn
Feb 27 '16 at 0:23
...
Why does viewWillAppear not get called when an app comes back from the background?
...egroundNotification, object: nil)
}
override func viewWillAppear(_ animated: Bool) {
print("view will appear")
}
override func viewDidAppear(_ animated: Bool) {
print("view did appear")
}
// MARK: - Notification oberserver methods
@objc func didBecome...
test a file upload using rspec - rails
...
You can use fixture_file_upload method to test file uploading:
Put your test file in "{Rails.root}/spec/fixtures/files" directory
before :each do
@file = fixture_file_upload('files/test_lic.xml', 'text/xml')
end
it "can upload a license" do...
Fixing JavaScript Array functions in Internet Explorer (indexOf, forEach, etc.) [closed]
...
With the Underscore.js var arr=['a','a1','b'] _.filter(arr, function(a){ return a.indexOf('a') > -1; })
– sri_bb
Dec 10 '14 at 11:30
add a comm...
Is there a way to tell git to only include certain files instead of ignoring certain files?
...re with later negated entries. Thus you could do something like:
*.c
!frob_*.c
!custom.c
To have it ignore all .c files except custom.c and anything starting with "frob_"
share
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improve this ans...
How to disassemble one single function using objdump?
...e.g., gdb -batch -ex 'disassemble main' /bin/ls
– hoc_age
Oct 17 '14 at 15:01
3
...
DirectX SDK (June 2010) Installation Problems: Error Code S1023
...st recent file named
Microsoft Visual C++ 2010 x64 Redistributable Setup_20110608_xxx.html ##
and check if you have the following error
Installation Blockers:
A newer version of Microsoft Visual C++ 2010 Redistributable has been detected on the machine.
Final Result: Installation f...
SQLite table constraint - unique on multiple columns
...t method, and not the insertWithOnConflict with the SQLiteDatabase.CONFLICT_REPLACE flag?
– Oleg Belousov
Jan 25 '14 at 16:23
3
...
What is the best way to concatenate two vectors?
...
@boycy No. It is amortized constant time to push_back one element. To push back n elements is O(n)
– Konrad Lindenbach
Mar 12 '16 at 1:47
1
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