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Convert line-endings for whole directory tree (Git)
Following situation:
6 Answers
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What are “connecting characters” in Java identifiers?
I am reading for SCJP and I have a question regarding this line:
7 Answers
7
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Switch Git branch without files checkout
Is it possible in Git to switch to another branch without checking out all files?
11 Answers
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How to check if a folder exists
I am playing a bit with the new Java 7 IO features, actually I trying to receive all the xml files of a folder. But this throws an exception when the folder does not exist, how can I check if the folder exists with the new IO?
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How can I get the console logs from the iOS Simulator?
I want to see what happens in the iOS Simulator if I'm not testing the app in Xcode.
12 Answers
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Delete directories recursively in Java
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You should check out Apache's commons-io. It has a FileUtils class that will do what you want.
FileUtils.deleteDirectory(new File("directory"));
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What does the `#` operator mean in Scala?
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To explain it, we first have to explain nested classes in Scala. Consider this simple example:
class A {
class B
def f(b: B) = println("Got my B!")
}
Now let's try something with it:
scala> val a1 = new A
a1: A = A@2fa8ecf4
scala&...
Merge, update, and pull Git branches without using checkouts
...t that has 2 branches, A and B. I typically work on branch A, and merge stuff from branch B. For the merging, I would typically do:
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Match whitespace but not newlines
...he horizontal whitespace character class \h. This will match tab and space from the ASCII set, non-breaking space from extended ASCII, or any of these Unicode characters
U+0009 CHARACTER TABULATION
U+0020 SPACE
U+00A0 NO-BREAK SPACE (not matched by \s)
U+1680 OGHAM SPACE MARK
U+2000 EN QUAD
U+2001...
How to delete a folder with files using Java
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Java isn't able to delete folders with data in it. You have to delete all files before deleting the folder.
Use something like:
String[]entries = index.list();
for(String s: entries){
File currentFile = new File(index.getPath(),s);
currentFi...