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How to use @Nullable and @Nonnull annotations more effectively?
I can see that @Nullable and @Nonnull annotations could be helpful in preventing NullPointerException s but they do not propagate very far.
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Regex to replace multiple spaces with a single space
... string.replace(/\s\s+/g, ' ');
If you really want to cover only spaces (and thus not tabs, newlines, etc), do so:
string = string.replace(/ +/g, ' ');
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Why should I not wrap every block in “try”-“catch”?
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A method should only catch an exception when it can handle it in some sensible way.
Otherwise, pass it on up, in the hope that a method higher up the call stack can make sense of it.
As others have noted, it is good practice to have an unhandled exception handler (with loggin...
Do we need type=“text/css” for in HTML5 [duplicate]
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The HTML5 spec says that the type attribute is purely advisory and explains in detail how browsers should act if it's omitted (too much to quote here). It doesn't explicitly say that an omitted type attribute is either valid or invalid, but you can safely omit it knowing that browsers wi...
Combine Date and Time columns using python pandas
I have a pandas dataframe with the following columns;
11 Answers
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Python integer incrementing with ++ [duplicate]
I've always laughed to myself when I've looked back at my VB6 days and thought, "What modern language doesn't allow incrementing with double plus signs?":
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position: fixed doesn't work on iPad and iPhone
...en struggling with fixed positioning in iPad for a while. I know iScroll and it does not always seem to work (even in their demo). I also know that Sencha has a fix for that, but I couldn't Ctrl + F the source code for that fix.
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Check if full path given
... @SmirkinGherkin so what is the difference between a rooted and absolute path?
– Jason Axelson
Mar 1 '13 at 1:23
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Get div height with plain JavaScript
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clientHeight includes padding.
offsetHeight includes padding, scrollBar and borders.
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How to center canvas in html5
...center according to the size of the browser window. The canvas is 800x600.
And if the window gets below 800x600, it should resize as well(but that's not very important at the moment)
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