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BigDecimal setScale and round
...lluded to but not directly addressed is the difference between "precision" and "scale" and how they are used in the two statements. "precision" is the total number of significant digits in a number. "scale" is the number of digits to the right of the decimal point.
The MathContext constructor onl...
Sell me on const correctness
... be changed,
It protects you from making accidental variable assignments, and
The compiler can optimize it. For instance, you are protected from
if( x = y ) // whoops, meant if( x == y )
At the same time, the compiler can generate more efficient code because it knows exactly what the state of...
How to make an ng-click event conditional?
...so you can't use it with <a>, but you can use it with <button> and style it as link.
Another way is to use lazy evaluation of expressions like isDisabled || action() so action wouold not be called if isDisabled is true.
Here goes both solutions: http://plnkr.co/edit/5d5R5KfD4PCE8vS3OSS...
Rails bundle install production only
I'm still new to rails/ruby/bundler and am a little confused.
2 Answers
2
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How do I update a formula with Homebrew?
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I think can now just type brew upgrade outdated and skip all the complex crap.
– Warren P
Apr 6 '13 at 23:28
4
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What is an index in SQL?
What is an index in SQL? Can you explain or reference to understand clearly?
11 Answers
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Concurrent.futures vs Multiprocessing in Python 3
...ures , which appear to be some advanced combination of the older threading and multiprocessing modules.
1 Answer
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How to read a large file - line by line?
... for line in f:
# Do something with 'line'
The with statement handles opening and closing the file, including if an exception is raised in the inner block. The for line in f treats the file object f as an iterable, which automatically uses buffered I/O and memory management so you don't ...
How can one close HTML tags in Vim quickly?
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Check this out..
closetag.vim
Functions and mappings to close open HTML/XML tags
https://www.vim.org/scripts/script.php?script_id=13
I use something similar.
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Comments in .gitignore?
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@StuartR.Jefferys I'm on git 1.7.4.1 and am finding that a line with a comment at the end does not work: src/main/log/ # Doesn't work. git status still shows this directory src/main/log/ Works fine. git status does not show the directory. In fact, it ap...