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Variable length (Dynamic) Arrays in Java
...ou want - which is inefficient and a pain for you.
Fortunately, there are all kinds of built-in classes that implement common data structures, and other useful tools too. You'll want to check the Java 6 API for a full list of them.
One caveat: ArrayList can only hold objects (e.g. Integers), not ...
How do I make UITableViewCell's ImageView a fixed size even when the image is smaller
I have a bunch of images I am using for cell's image views, they are all no bigger than 50x50. e.g. 40x50, 50x32, 20x37 .....
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What is an efficient way to implement a singleton pattern in Java? [closed]
...An online portion of "Effective Java" says:
"This approach is functionally equivalent to the public field approach, except that it is more concise, provides the serialization machinery for free, and provides an ironclad guarantee against multiple instantiation, even in the face of sophisticated...
How do I check (at runtime) if one class is a subclass of another?
... and 1.0, if it's int then the convention is 0 to 255. I could go through all sorts of contortions to try and get the image to quack, but it's much more straight forward to just ask "are you a duck" and scale my operations accordingly.
– Omegaman
Mar 18 '14 at...
Get index of element as child relative to parent
... @steweb - Hey - because one event handler is much preferable to potentially many. Attaching events to the dom can be expensive if you have large lists so as a rule I try to use the above where possible rather than individual handlers on each element. One article that goes deeper is briancrescima...
HTML table with 100% width, with vertical scroll inside tbody [duplicate]
...doesn't work properly on IE9 and below.
That's because in a table layout, all elements should follow the same structural properties.
By using display: block; for the <thead> and <tbody> elements, we've broken the table structure.
Redesign layout via JavaScript
One approach is to rede...
Java: Instanceof and Generics
...
The error message says it all. At runtime, the type is gone, there is no way to check for it.
You could catch it by making a factory for your object like this:
public static <T> MyObject<T> createMyObject(Class<T> type) {
retu...
nvm keeps “forgetting” node in new terminal session
...n a new session, node is gone again. In debian, I don't have this issue at all.
– frhd
Jul 5 '14 at 17:04
4
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What's the purpose of git-mv?
From what I understand, Git doesn't really need to track file rename/move/copy operations, so what's the real purpose
of git mv ? The man page isn't specially descriptive...
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How can I fill out a Python string with spaces?
...idth=16,
)
Which results in (you guessed it):
'Hi '
And for all these, you can use python 3.6 f-strings:
message = 'Hi'
fill = ' '
align = '<'
width = 16
f'{message:{fill}{align}{width}}'
And of course the result:
'Hi '
...