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When should std::move be used on a function return value? [duplicate]
... the return expression is not the identifier, it will not be moved automatically, so for example, you would need the explicit std::move in this case:
T foo(bool which) {
T a = ..., b = ...;
return std::move(which? a : b);
// alternatively: return which? std::move(a), std::move(b);
}
When...
How to send an email with Gmail as provider using Python?
...sl = smtplib.SMTP_SSL("smtp.gmail.com", 465)
server_ssl.ehlo() # optional, called by login()
server_ssl.login(gmail_user, gmail_pwd)
# ssl server doesn't support or need tls, so don't call server_ssl.starttls()
server_ssl.sendmail(FROM, TO, message)
#server_ssl.quit()
server_ssl.close()
print 'su...
JavaScript Chart Library
Would anyone recommend a particular JavaScript charting library - specifically one that doesn't use flash at all?
29 Answer...
How do I specify a pointer to an overloaded function?
...ate deduction needs to select a type for UnaryFunction at the point of the call. But f doesn't have a specific type - it's an overloaded function, there are many fs each with different types. There is no current way for for_each to aid the template deduction process by stating which f it wants, so t...
How do I change screen orientation in the Android emulator?
... 7 is what I use, just make sure you have NumLock turned off so you're basically pressing the "Home" key on the Numpad.
– Mark B
Jan 4 '10 at 16:23
3
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Unit test naming best practices [closed]
...for some action, e.g UpdateManager.Update(). Having this in mind I tend to call my tests WhenUpdating_State_Behaviour or WhenUpdating_Behaviour_State. This way I test a particular action of a class while avoiding to put a method name in a test name. But the most important thing is that I have to hav...
How to generate UML diagrams (especially sequence diagrams) from Java code?
...and this time, install Modisco
Steps
In your java project (assume it's called MyProject) create a folder e.g UML
Right click over the project name -> Discovery -> Discoverer -> Discover Java and inventory model from java project, a file called MyProject_kdm.xmi will be generated.
Right...
Valid to use (anchor tag) without href attribute?
...foo">).
The named anchor format is less commonly used, as the fragment identifier is now used to specify an [id] attribute (although for backwards compatibility you can still specify [name] attributes). An <a> element without an [href] attribute is still valid.
As far as semantics and sty...
Specifically, what's dangerous about casting the result of malloc?
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Oh, and the answer to the second question is that the caller contains the code to pick up the return value (which it thinks is an int), and convert it to T*. The callee just writes the return value (as a void*) and returns. So depending on the calling convention: int returns and...
How do I set a Windows scheduled task to run in the background? [closed]
...
So basically it's »Either I see something on my screen or the application gets beyond-administrator privileges«? Doesn't sound too good ...
– Joey
Jul 4 '11 at 8:05
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