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Best practices for overriding isEqual: and hash
...e-C? The "catch" seems to be that if two objects are equal (as determined by the isEqual: method), they must have the same hash value.
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VSTS 2010 SGEN : error : Could not load file or assembly (Exception from HRESULT: 0x80131515)
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I was able to fix this error by finding the assembly DLL in Windows Explorer, right clicking, choosing Properties, and then pressing the "unblock" button. The DLL has a stream that is marking it as an external file - and by clicking unblock you remove t...
How to get the list of all installed color schemes in Vim?
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Type
:colorscheme then Space followed by TAB.
or as Peter said,
:colorscheme then Space followed by CTRLd
The short version of the command is :colo so you can use it in the two previous commands, instead of using the "long form".
If you want to find and previ...
Is it possible to delete an object's property in PHP?
...n if PHP allows it). I will not encorage and spread bad programming habits by commenting on this :) No offense.
– Yanick Rochon
Mar 21 '14 at 2:54
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ASP.NET web.config: configSource vs. file attributes
... immediate directory tree. So that really is quite limiting. I solved it by using a junction point (or NTFS hard link) but it's not exactly pretty ...
– Ed Graham
May 28 '13 at 16:44
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Cross compile Go on OSX?
...cross compiling so it is needed to disable CGO library.
Compiling is done by changing location to source dir, since compiling has to be done in that folder
cd /usr/local/go/src
then compile the Go compiler:
sudo GOOS=windows GOARCH=386 CGO_ENABLED=0 ./make.bash --no-clean
You need to repeat t...
Why should I avoid std::enable_if in function signatures
...d question, but for anyone still reading: the solution to the issue raised by @Paul is to use enable_if with a defaulted non-type template parameter, which allows overloading. I.e. enable_if_t<condition, int> = 0 instead of typename = enable_if_t<condition>.
– Nir F...
Why is it impossible to build a compiler that can determine if a C++ function will change the value
...l running, unfortunately, you can't tell which without directly observing, by which you affect the actual state.
– Nathan Ernst
Jul 1 '13 at 19:11
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Is quitting an application frowned upon?
...a being PUSHed to the device" is a pleasant fiction and should not be done by activity in any case. Use a scheduled task (via AlarmManager) to update your data for maximum reliability.
Our users log in and can't be doing
that every time they get a phone call
and Android decides to kill the app.
Th...
Understanding the difference between __getattr__ and __getattribute__
...ttr(instance, attribute_name). Using this model, we can get the attribute by supplying the attribute_name as a string.
Use of __getattr__
You can also tell a class how to deal with attributes which it doesn't explicitly manage and do that via __getattr__ method.
Python will call this method when...