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What is the Java ?: operator called and what does it do?
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Yes, it is a shorthand form of
int count;
if (isHere)
count = getHereCount(index);
else
count = getAwayCount(index);
It's called the conditional operator. Many people (erroneously) call it the ternary operator, because it's the only te...
Animate the transition between fragments
...e the transition between fragments. I got the answer from the following
Android Fragments and animation
8 Answers
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Alternate FizzBuzz Questions [closed]
...n a small list of relatively simple programming problems used to weed out candidates, just like FizzBuzz. Here are some of the problems I've seen, in order of increasing difficulty:
Reverse a string
Reverse a sentence ("bob likes dogs" -> "dogs likes bob")
Find the minimum value in a list
Find ...
How can I use pickle to save a dict?
...ort pickle
a = {'hello': 'world'}
with open('filename.pickle', 'wb') as handle:
pickle.dump(a, handle, protocol=pickle.HIGHEST_PROTOCOL)
with open('filename.pickle', 'rb') as handle:
b = pickle.load(handle)
print a == b
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How do I tell Maven to use the latest version of a dependency?
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NOTE:
This answer applies to Maven 2 only! The mentioned LATEST and RELEASE metaversions have been dropped in Maven 3 "for the sake of reproducible builds", over 6 years ago.
Please refer to this Maven 3 compliant solution.
If you always want to use the newest version, Maven has two k...
Remove an element from a Bash array
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The following works as you would like in bash and zsh:
$ array=(pluto pippo)
$ delete=pluto
$ echo ${array[@]/$delete}
pippo
$ array=( "${array[@]/$delete}" ) #Quotes when working with strings
If need to delete more than one element:
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$ delete=(pluto pippo)
for de...
Should we pass a shared_ptr by reference or by value?
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This question has been discussed and answered by Scott, Andrei and Herb during Ask Us Anything session at C++ and Beyond 2011. Watch from 4:34 on shared_ptr performance and correctness.
Shortly, there is no reason to pass by value, unless the goal is to sha...
How to use setInterval and clearInterval?
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setInterval sets up a recurring timer. It returns a handle that you can pass into clearInterval to stop it from firing:
var handle = setInterval(drawAll, 20);
// When you want to cancel it:
clearInterval(handle);
handle = 0; // I just do this so I know I've cleared the interv...
How do I check if a given string is a legal/valid file name under Windows?
...ionality in my application. A user can type a destination filename pattern and (after replacing some wildcards in the pattern) I need to check if it's going to be a legal filename under Windows. I've tried to use regular expression like [a-zA-Z0-9_]+ but it doesn't include many national-specific c...
Auto-fit TextView for Android
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Thanks to MartinH's simple fix here, this code also takes care of android:drawableLeft, android:drawableRight, android:drawableTop and android:drawableBottom tags.
My answer here should make you happy Auto Scale TextView Text to Fit within Bounds
I have modified your test case:
@Overri...