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JUnit confusion: use 'extends TestCase' or '@Test'?
...5) is needed. The new way has several advantages:
The @Test annotaton is more explicit and is easier to support in tools (for example it's easy to search for all tests this way)
Multiple methods can be annotated with @Before/@BeforeClass and @After/@AfterClass providing more flexibility
Support fo...
How to count objects in PowerShell?
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$m = get-alias | tee -Variable aliases | measure
$m.Count
$aliases
Some more info on Measure-Object cmdlet is on Technet.
Do not confuse it with Measure-Command cmdlet which is for time measuring. (again on Technet)
sha...
How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?
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How to check if a file exists in the Documents directory in Swift?
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Nowadays (2016) Apple recommends more and more to use the URL related API of NSURL, NSFileManager etc.
To get the documents directory in iOS and Swift 2 use
let documentDirectoryURL = try! NSFileManager.defaultManager().URLForDirectory(.DocumentDirectory, ...
How to print a dictionary line by line in Python?
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A more generalized solution that handles arbitrarily-deeply nested dicts and lists would be:
def dumpclean(obj):
if isinstance(obj, dict):
for k, v in obj.items():
if hasattr(v, '__iter__'):
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What is Gradle in Android Studio?
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TypeError: not all arguments converted during string formatting python
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% is more concise. Glad it stays with us.
– Lenar Hoyt
Jun 10 '16 at 10:36
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How to convert array to SimpleXML
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This won't work if $test_array has 'more_another_array' like 'another_array', because key 'another_array' is not converted. Hence you'll have multiple '<overflow>stack</overflow>'.
– understack
Jun 9 '10 at 19:...
What does '--set-upstream' do?
... upstream association for any future push/pull attempts automatically.
For more details, checkout this detailed explanation about upstream branches and tracking.
To avoid confusion, recent versions of git deprecate this somewhat ambiguous --set-upstream option in favour of a more verbose --set-ups...
Ruby convert Object to Hash
... I will never understand the ruby fetish for each. map and inject are much more powerful. This is one design qualm I have with Ruby: map and inject are implemented with each. It's simply bad computer science.
– Nate Symer
Apr 21 '15 at 17:01
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