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Can two Java methods have same name with different return types? [duplicate]
...ter types (so, they have different signature), then it is possible. It is called overloading.
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When to use -retainCount?
...ike to know in what situation did you use -retainCount so far, and eventually the problems that can happen using it.
11 A...
Understanding the Gemfile.lock file
After running the bundle install command, 'Gemfile.lock ' is created in the working directory. What do the directives inside that file mean?
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How to limit setAccessible to only “legitimate” uses?
...hat kind of an architecture.
If you're distributing a software component called foo.jar to the people of the world, you're completely at their mercy anyway. They could modify the class definitions inside your .jar (through reverse engineering or direct bytecode manipulation). They could run your co...
Show current key setting?
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or better yet: :nmap foo :echo('your leader is "<Leader>"')<Esc>| exec 'norm foo'| nun foo
– qeatzy
Oct 27 '19 at 13:57
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How to test if string exists in file with Bash?
...ve to omit the -q option, and detect errors based on the exit status:
Normally, the exit status is 0 if selected lines are found and 1 otherwise. But the exit status is 2 if an error occurred, unless the -q or --quiet or --silent option is used and a selected line is found. Note, however, that POSI...
How to convert linq results to HashSet or HashedSet
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I don't think there's anything built in which does this... but it's really easy to write an extension method:
public static class Extensions
{
public static HashSet<T> ToHashSet<T>(
this IEnumerable<T> source,
IEqualityComparer<T> comparer = null)
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Why do you need to put #!/bin/bash at the beginning of a script file?
I have made Bash scripts before and they all ran fine without #!/bin/bash at the beginning.
9 Answers
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How to 'grep' a continuous stream?
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I use the tail -f <file> | grep <pattern> all the time.
It will wait till grep flushes, not till it finishes (I'm using Ubuntu).
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How do I retrieve an HTML element's actual width and height?
... done certain DOM modifications to the element recently. You may have to call this code in a setTimeout call after you've modified the element.
– Dan Fabulich
Jan 19 '10 at 5:59
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