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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...
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...
When to use ref and when it is not necessary in C#
...arameter are changes to the variable.
The article explains all of this in more detail, of course :)
Useful answer: you almost never need to use ref/out. It's basically a way of getting another return value, and should usually be avoided precisely because it means the method's probably trying to do...
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...
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...
Suppress warning messages using mysql from within Terminal, but password written in bash script
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How to fix a locale setting warning from Perl?
.../ssh/ssh_config file. (Thanks to this answer. See Bug 1285 for OpenSSH for more.)
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What's the advantage of a Java enum versus a class with public static final fields?
I am very familiar with C# but starting to work more in Java. I expected to learn that enums in Java were basically equivalent to those in C# but apparently this is not the case. Initially I was excited to learn that Java enums could contain multiple pieces of data which seems very advantageous ( ht...
Directory-tree listing in Python
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Application Error - The connection to the server was unsuccessful. (file:///android_asset/www/index.
...to load.
You will be using too much of scripts (jQuery, iscroll, etc etc.. more number of plugins or scripts )
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