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Handling an empty UITableView. Print a friendly message
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One disadvantage is that if the table view is pulled down the message stays on its position. I'd rather like to have like in the app store app under updates. Here the empty message goes with the scrolling behavior ...
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Fastest sort of fixed length 6 int array
Answering to another Stack Overflow question ( this one ) I stumbled upon an interesting sub-problem. What is the fastest way to sort an array of 6 integers?
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Which regular expression operator means 'Don't' match this character?
...ion operators, and always follow a matching operator. Thus, a+ means match one or more of a, [a-c0]+ means match one or more of a, b, c or 0, while [^a-c0]+ would match one or more of anything that wasn't a, b, c or 0.
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How do I write JSON data to a file?
...dler of the JSON file can correctly handle non-ASCII data, you can specify one and set ensure_ascii=False.
– phihag
Apr 19 '16 at 18:47
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JComboBox Selection Change Listener?
...ctionListener (new ActionListener () {
public void actionPerformed(ActionEvent e) {
doSomething();
}
});
@John Calsbeek rightly points out that addItemListener() will work, too. You may get 2 ItemEvents, though, one for the deselection of the previously selected item, and another ...
How can I do string interpolation in JavaScript?
...urious about this now, this test bed can be used to play around until everyone gets support for this.
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are there dictionaries in javascript like python?
... used to simulate a dictionary as:
var dict = new JSdict();
dict.add(1, "one")
dict.add(1, "one more")
"Duplicate keys not allowed!"
dict.getVal(1)
"one"
dict.update(1, "onne")
dict.getVal(1)
"onne"
dict.remove(1)
dict.getVal(1)
"Key not found!"
This is just a basic simulation.
It can be f...
Tricks to manage the available memory in an R session
... can't back this idea up enough. I've taught R to a few people and this is one of first things I say. This also applies to any language where development incorporates a REPL and a file being edited (i.e. Python). rm(ls=list()) and source() works too, but re-opening is better (packages cleared too).
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What should main() return in C and C++?
... 0 and non-zero are correct but entirely meaningless to someone reading your code. This question is proof that people don't know what valid/invalid codes are. EXIT_SUCCESS/EXIT_FAILURE are much more clear.
– JaredPar
Oct 15 '08 at 16:32
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When to use lambda, when to use Proc.new?
In Ruby 1.8, there are subtle differences between proc/lambda on the one hand, and Proc.new on the other.
14 Answers
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