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How do I generate a random int number?
...52); // creates a number between 0 and 51
If you are going to create more than one random number, you should keep the Random instance and reuse it. If you create new instances too close in time, they will produce the same series of random numbers as the random generator is seeded from the syst...
How to secure database passwords in PHP?
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How to pause / sleep thread or process in Android?
...y. This is a problem when the activity context is garbage collected.
A more complex solution that avoids the memory leak subclasses the Handler and Runnable with static inner classes inside the activity since static inner classes do not hold an implicit reference to their outer class:
private s...
Split a List into smaller lists of N size
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Pod install is staying on “Setting up CocoaPods Master repo”
... is "Setting up CocoaPods Master repo" and after that I can't see anything more, the console stops there.
20 Answers
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What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
...low arbitrary number of arguments to functions as described in the section more on defining functions in the Python documentation.
The *args will give you all function parameters as a tuple:
def foo(*args):
for a in args:
print(a)
foo(1)
# 1
foo(1,2,3)
# 1
# 2
# 3
The **kwa...
Access properties of the parent with a Handlebars 'each' loop
...ia repeating the ../. For example, to go up two levels use ../../key.
For more information, see the Handlebars documentation on paths.
Dereference the root scope with @root
By prepending @root to the property path, you can navigate downwards from the topmost scope (as shown in caballerog's answer...
Convert JsonNode into POJO
...e) variant like there is for readValue(). Bad news for anyone dealing with more complex types with generics :(
– Espinosa
Oct 5 '16 at 17:28
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JUnit vs TestNG [closed]
...the decision, it is pretty trivial to run both. TestNG strives to be much more configurable than JUnit, but in the end they both work equally well.
TestNG has a neat feature where you can mark tests as a particular group, and then easily run all tests of a specific group, or exclude tests of a par...