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String is immutable. What exactly is the meaning? [duplicate]
...ields (or the fields are public and not final, so that they can be updated from outside without accessing them via methods), for example:
Foo x = new Foo("the field");
x.setField("a new field");
System.out.println(x.getField()); // prints "a new field"
While in an immutable class (declared as fin...
JavaScript check if variable exists (is defined/initialized)
... @StevenPenny Check the timeline. The top answer was merged from another question after this answer was posted
– Rob♦
Dec 19 '16 at 23:25
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Twitter bootstrap remote modal shows same content every time
... do something like check whether the link launching the modal is different from the previous one. If it is, destroy; if it isn't, then no need to reload.
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How to deep copy a list?
...akes a copy of the outermost list, while still referencing the inner lists from the previous variable, hence, when you mutate the inner lists, the change is reflected in both the original list and the shallow copy.
– Sukrit Kalra
Jul 26 '13 at 8:29
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Bash continuation lines
...well for indented multi-line text strings. It will remove any leading tabs from the here document. (Line terminators will still remain, though.)
cat <<-____HERE
continuation
lines
____HERE
See also http://ss64.com/bash/syntax-here.html
If you need to preserve some, but not all, lea...
Git mergetool generates unwanted .orig files
...
A possible solution from git config:
git config --global mergetool.keepBackup false
After performing a merge, the original file with conflict markers can be saved as a file with a .orig extension.
If this variable is set to false then th...
LINQ Group By into a Dictionary Object
... use LINQ to create a Dictionary<string, List<CustomObject>> from a List<CustomObject> . I can get this to work using "var", but I don't want to use anonymous types. Here is what I have
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How to make an HTTP request + basic auth in Swift
... have a RESTFull service with basic authentication and I want to invoke it from iOS+swift. How and where I must provide Credential for this request?
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Git Blame Commit Statistics
...ic of how much lines (of code) are currently in the repository originating from each committer?
13 Answers
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How to get the name of the calling method?
...
parse_caller(caller(depth+1).first).last
end
private
# Copied from ActionMailer
def self.parse_caller(at)
if /^(.+?):(\d+)(?::in `(.*)')?/ =~ at
file = Regexp.last_match[1]
line = Regexp.last_match[2].to_i
method = Regexp.last_match[3]
[file, line, meth...