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What does immutable mean?
...t that str references.
If the string was mutable, does that
mean the 2nd alert() would return oo
as well?
Technically, no, because the substring method returns a new string. Making an object mutable, wouldn't change the method. Making it mutable means that technically, you could make it ...
How to run test methods in specific order in JUnit4?
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240
I think it's quite important feature for JUnit, if author of JUnit doesn't want the order f...
Is Ruby pass by reference or by value?
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245
In traditional terminology, Ruby is strictly pass-by-value. But that's not really what you're ...
How do cache lines work?
... command triggers a read or write of a full cache line from memory. (DDR1/2/3/4 SDRAM burst transfer size is configurable up to 64B; CPUs will select the burst transfer size to match their cache line size, but 64B is common)
As a rule of thumb, if the processor can't forecast a memory access (and ...
Python to print out status bar and percentage
...rt progressbar
from time import sleep
bar = progressbar.ProgressBar(maxval=20, \
widgets=[progressbar.Bar('=', '[', ']'), ' ', progressbar.Percentage()])
bar.start()
for i in xrange(20):
bar.update(i+1)
sleep(0.1)
bar.finish()
To install it, you can use easy_install progressbar, or pip...
Adb Devices can't find my phone [closed]
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edited Mar 23 '18 at 2:54
Pang
8,2181717 gold badges7373 silver badges111111 bronze badges
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How to resize a custom view programmatically?
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255
Android throws an exception if you fail to pass the height or width of a view.
Instead of crea...
vim line numbers - how to have them on by default?
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edited Jul 27 '18 at 1:37
Kenan
7,65533 gold badges2727 silver badges4343 bronze badges
a...
Android Studio: Default project directory
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answered Jul 30 '13 at 12:43
Rik MartinsRik Martins
97577 silver badges44 bronze badges
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