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Null check in an enhanced for loop
...mpty list won't fail.
If you get this list from somewhere else and don't know if it is ok or not you could create a utility method and use it like this:
for( Object o : safe( list ) ) {
// do whatever
}
And of course safe would be:
public static List safe( List other ) {
return other =...
Copying text outside of Vim with set mouse=a enabled
...a , text copied inside of Vim will not paste outside of Vim. Does anybody know of a way to fix this?
14 Answers
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How to run Rake tasks from within Rake tasks?
...reenable a build-task that is parametrized with a global variable, because now the different builds have different tasks. the codereuse of the build-task is done by reusing the code to define the build-tasks. see how the loop does not execute the same task twice, but instead created tasks, that can ...
How to elegantly check if a number is within a range?
...USIVE) to allow for < vs <=. I wrote this intending to be snarky but now that I think about it the flags would actually encourage the caller to get their specification straight.
– William T. Mallard
Jul 27 '16 at 8:08
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How do I get the 'clear' command in Cygwin?
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@AndrewProck It seems to be there now!
– Rohaq
Dec 20 '13 at 17:42
Thanks for...
How to extract year and month from date in PostgreSQL without using to_char() function?
... That's right. U can use to compare: date(date_trunc( 'month', now())) = to_Date(5::varchar || ' ' || 2017::varchar, 'mm YYYY')
– Alejandro Salamanca Mazuelo
May 19 '17 at 21:22
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jQuery Call to WebService returns “No Transport” error
...erty will do nothing for you. I would recommend putting in a bit of effort now to get JSONP in place. At the very least, you might want to try and see if forcing jQuery cross-domain support works with all the browsers you plan on supporting. I also can't comment on what other problems you might run ...
Dynamically changing font size of UILabel
... it's not working for me. The content of my UILabel is cut off now.
– Adrian
Apr 10 '14 at 16:49
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Is it possible to append to innerHTML without destroying descendants' event listeners?
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Now, it is 2012, and jQuery has append and prepend functions that do exactly this, add content without effecting current content. Very useful.
share
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Reducing the space between sections of the UITableView
... I think such behavior was added in iOS 5.0 or iOS 6.0, but yes - it's now much easier to setup distance between groups.
– Vlas Voloshin
Jun 5 '13 at 7:22
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