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Find method references in Xcode
Is there a way in Xcode to find all the places where a method or property has been been called?
6 Answers
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How do I force git to checkout the master branch and remove carriage returns after I've normalized f
...his workaround, but it's glaring issue in git that "checkout -f" doesn't really force re-checkout. Another woraround would be to remove all working copy files first (i.e. everything but .git dir).
– pfalcon
Mar 18 '14 at 3:38
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Extract a regular expression match
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Use the new stringr package which wraps all the existing regular expression operates in a consistent syntax and adds a few that are missing:
library(stringr)
str_locate("aaa12xxx", "[0-9]+")
# start end
# [1,] 4 5
str_extract("aaa12xxx", "[0-9]+")
# [1]...
Java JTable setting Column Width
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What happens if you call setMinWidth(400) on the last column instead of setPreferredWidth(400)?
In the JavaDoc for JTable, read the docs for doLayout() very carefully. Here are some choice bits:
When the method is called as a result of the ...
Cocoa: What's the difference between the frame and the bounds?
UIView and its subclasses all have the properties frame and bounds . What's the difference?
12 Answers
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Express next function, what is it really for?
...on it says that next('route') can be used to jump to that route and skip all routes in between, but sometimes next is called without arguments. Anybody knows of a good tutorial etc that describes the next function?
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Deserializing a JSON into a JavaScript object
...t rigorous in its JSON encoding,
or if it does not scrupulously validate all of its inputs,
then it could deliver invalid JSON text that could be carrying dangerous script.
The eval function would execute the script, unleashing its malice.
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How is Math.Pow() implemented in .NET Framework?
...k at the implementation of Math.Pow() function. But in .NET Reflector , all I found was this:
4 Answers
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When to add what indexes in a table in Rails
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Should I add "index" to all the foreign keys like "xxx_id"?
It would be better, because it accelerates the search in sorting in this column. And Foreign keys are something searched for a lot.
Since Version 5 of rails the index will be created aut...
Find first element by predicate
...e stream. It's an intermediate operation, which returns a lazy stream (actually all intermediate operations return a lazy stream). To convince you, you can simply do the following test:
List<Integer> list = Arrays.asList(1, 10, 3, 7, 5);
int a = list.stream()
.peek(num -> Syste...