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How to get the type of T from a member of a generic class or method?
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I get an error that it requires a type argument (i.e. <T>)
– Joseph Humfrey
May 21 '15 at 14:26
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How do I round to the nearest 0.5?
...not correct. Since arithmetic with doubles usually has some small rounding errors, an operation such as 4.8 - 4.0 could give for example 0.799999... . In this case the code above would round to 4.5. Also better would to use Math.Floor instead of Math.Truncate, because right now negative numbers are...
Does it make any sense to use inline keyword with templates?
... f<>(int) {} // OK: inline
template<> int g<>(int) {} // error: not inline
#endif
Compile this, et voila:
g++ a.cc b.cc
/tmp/ccfWLeDX.o: In function `int g<int>(int)':
inlinexx2.cc:(.text+0x0): multiple definition of `int g<int>(int)'
/tmp/ccUa4K20.o:inlinexx.cc:(.te...
What is the easiest way to duplicate an activerecord record?
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When I do this, I get an unknown attribute error with one column because of a column that is there due to a has_many relationship. Is there any way around this?
– Ruben Martinez Jr.
Jul 5 '14 at 19:57
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wkhtmltopdf: cannot connect to X server
...//www.google.com test.pdf
If it works, then you are done. If you get the error "Cannot connect to X server" then continue to number 7.
We need to run it headless on a 'virtual' x server. We will do this with a package called xvfb.
sudo apt-get install xvfb
We need to write a little shell script...
Is there a way to detect if a browser window is not currently active?
I have JavaScript that is doing activity periodically. When the user is not looking at the site (i.e., the window or tab does not have focus), it'd be nice to not run.
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specify project file of a solution using msbuild
I want the commandline for building a particular project of a solution using msbuild like we do with devenv.com.In devenv.com we can specify a project of a solution using following commandline
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How to print out the method name and line number and conditionally disable NSLog?
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This code causes an unused variable error in Xcode 5.1 if not running in DEBUG :(
– yonix
Mar 18 '14 at 13:11
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Why is there no SortedList in Java?
In Java there are the SortedSet and SortedMap interfaces. Both belong to the Java Collections framework and provide a sorted way to access the elements.
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android webview geolocation
...page is loading
Ask for permission in marshmallow and above
Handle webpage error
Check for the internet connection and open setting page
Handling Geolocation permission with and without dialog
Hope, it saves someone's time
/**
* Created by Hitesh.Sahu on 3/24/2017.
*/
public ...