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JUnit assertEquals(double expected, double actual, double epsilon) [duplicate]
....0) equals 3.0 in contrary to the original behavior which tells NaN. In my test cases assertEquals(double,double) is the desired thing and I don't get why it got deprecated. Sometimes you can expect punctual results even when you use float or double. </rant>
– Notinlist
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Should I use “hasClass” before “addClass”? [duplicate]
...s worth, there is a performance improvement with .hasClass() in my limited testing: http://jsperf.com/jquery-hasclass-vs-addclass-and-removeclass
However, even when standalone .removeClass() reports several times slower in Chrome, it comes in at approximately 70,000 operations a second.
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How to merge images in command line? [closed]
...me comparison of merging 12 images:
time convert image{1..12}.jpg -append test.jpg
real 0m3.178s
user 0m3.850s
sys 0m0.376s
time gm convert image{1..12}.jpg -append test.jpg
real 0m1.912s
user 0m2.198s
sys 0m0.766s
GraphicsMagick is almost twice as fast as ImageMagick.
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创建自定义 TinyWebDB 服务 · App Inventor 2 中文网
...multi-player games).
By default, the TinyWebDB component stores data on a test service provided by App Inventor, http://tinywebdb.appinventor.mit.edu/ . This service is helpful for testing, but it is shared by all App Inventor users, and it has a limit of 1000 entries. If you use it, your data will...
Deleting all records in a database table
...dels attached to it you can do:
rake db:purge
you can also do it on the test database
rake db:test:purge
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In javascript, is an empty string always false as a boolean?
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@Bruno, You can perform the same test with NaN and undefined. They are not false but they are falsy. Which is what was asked.
– Joseph
Feb 25 '16 at 23:52
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How can I tell IntelliJ's “Find in Files” to ignore generated files?
...of getting the same result without needing to configure a custom scope.
I tested this in IntelliJ Ultimate 14.1.4. I have no idea how it behaves in other versions, but I suspect most of v14 at least will behave the same.
sh...
How many database indexes is too many?
...t the combinations of searches that we allow. Otherwise you would have to test literally every combination for performance to ensure you did not have a lurking problem that someone will find one day. We have also implemented resource limits to stop this causing issues elsewhere in the application ...
Creating a singleton in Python
...ey are separate and encapsulated. The metaclass implementation passes this test. The metaclass is responsible for enforcing the pattern and the created class and subclasses need not be aware that they are singletons. Method #1 fails this test, as you noted with "MyClass itself is a a function, not a...
Throw keyword in function's signature
...ed. So the full output looks like this:
user@user:~/tmp$ g++ -o except.test except.test.cpp
user@user:~/tmp$ ./except.test
well - this was unexpected
terminate called after throwing an instance of 'int'
Aborted (core dumped)
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