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Convert from enum ordinal to enum type
...l];
Please notice the array bounds.
Note that every call to values() returns a newly cloned array which might impact performance in a negative way. You may want to cache the array if it's going to be called often.
Code example on how to cache values().
This answer was edi...
Test if a property is available on a dynamic variable
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The two common solutions to this include making the call and catching the RuntimeBinderException, using reflection to check for the call, or serialising to a text format and parsing from there. The problem with exceptions is that they are very slow, because when one is constru...
C# “internal” access modifier when doing unit testing
...ally want it to be private. Any code within your production codebase which calls a method with ForTest is obviously wrong, whereas if you just make the method internal it looks like it's fine to use.
– Jon Skeet
Nov 6 '13 at 10:28
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What is the best testing framework to use with Node.js? [closed]
...lt on Node.js and Connect). I recently saw that he also has a cool library called should.js which can be used together with Expresso for a even better testing experience.
Obviously, the ability to run in the
browser would be a big bonus
I don't believe it can run in the browser, but I also d...
Error “gnu/stubs-32.h: No such file or directory” while compiling Nachos source code
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You're missing the 32 bit libc dev package:
On Ubuntu it's called libc6-dev-i386 - do sudo apt-get install libc6-dev-i386. See below for extra instructions for Ubuntu 12.04.
On Red Hat distros, the package name is glibc-devel.i686 (Thanks to David Gardner's comment).
On CentOS 5.8...
Why are preprocessor macros evil and what are the alternatives?
...acros are evil" usually refers to the use of #define, not #pragma.
Specifically, the expression refers to these two cases:
defining magic numbers as macros
using macros to replace expressions
with the new C++ 11 there is a real alternative after so many years ?
Yes, for the items in the li...
When to use SELECT … FOR UPDATE?
...ocking them with SELECT FOR UPDATE.
However in some systems locking is a side effect of concurrency control, and you achieve the same results without specifying FOR UPDATE explicitly.
To solve this problem, Thread 1 should SELECT id FROM rooms FOR UPDATE, thereby preventing Thread 2 from dele...
Can I change the root EBS device of my amazon EC2 instance?
... Neither /dev/sda nor /dev/sda1 worked for me, but /dev/xvda did.
– bhspencer
Feb 5 '15 at 14:37
10
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How do I reference an existing branch from an issue in GitHub?
... directly (as in user/repo/branch) is not possible, but maybe by using the id of the tree?
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Why extend the Android Application class?
...before Activitys or
Servicess are being run,
There is an overridden method called onConfigurationChanged() that is
triggered when the application configuration is changed (horizontal
to vertical & vice-versa),
There is also an event called onLowMemory() that is triggered when
the Android device ...