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Does setting Java objects to null do anything anymore?
... explicitly set references A->B or B->C to null, for example.
Apart from that, most of the time the issue doesn't really arise, because in reality you're dealing with objects in collections. You should generally always be thinking of removing objects from lists, maps etc by calling the approp...
Auto expand a textarea using jQuery
...d include the needed js files...
To prevent the scrollbar in the textarea from flashing on & off during expansion/contraction, you can set the overflow to hidden as well:
$('#textMeetingAgenda').css('overflow', 'hidden').autogrow()
Update:
The link above is broken. But you can still get...
Biggest GWT Pitfalls? [closed]
...alls in using GWT (and GWT-EXT) that were unable to be overcome? How about from a performance perspective?
24 Answers
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Repeat a task with a time delay?
...gram, works absolutely fine. But the startRepeatingTask() had to be called from the onCreate method /UI thread (it took me some time to realise this!), perhaps this point could have been mentioned somewhere. Regards
– gkris
Aug 21 '12 at 21:28
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Python name mangling
...e, you will get annoyed by Python programmers telling you to remove the __ from your code when you ask a question in Stack Overflow :)
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Is there an R function for finding the index of an element in a vector?
...s between the examples. match(c(2,3,3), c(1:4)) returns different results from which(c(2,3,3) %in% c(1:4)) without needing a longer first vector and as many changes from example to example. It's also worth noting that they handle non-matches very differently.
– John
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How to replace a character by a newline in Vim
...sed raw printer data as the text file format, Mac OS used CR and converted from that to printer's raw format and UNIX used LF and converted from that to printer's raw format.
– Mikko Rantalainen
Dec 21 '17 at 7:46
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MQTT物联网协议完全实践指南 · App Inventor 2 中文网
...of TemperatureTimestamps > 100 then
remove list item at position 1 from TemperatureTimestamps
remove list item at position 1 from TemperatureValues
end if
// 更新图表显示
call updateTemperatureChart
// 更新温度图表
procedure updateTemperatureChart
do
// ...
Chrome/jQuery Uncaught RangeError: Maximum call stack size exceeded
... Use a .delegate() (or .on() if your jQuery is new enough), and delegate from the table level rather than the entire document. That will improve your performance much more than just using .live(), which will essentially just delegate from the entire document down.
– brandwaffle...
Why can't I use the 'await' operator within the body of a lock statement?
The await keyword in C# (.NET Async CTP) is not allowed from within a lock statement.
8 Answers
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