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Exact difference between CharSequence and String in java [duplicate]
...kind of sharing is all right.
The + operator of String is compiled as invocations of various StringBuilder.append calls. So it is equivalent to
System.out.println(
(new StringBuilder())
.append("output is : ")
.append((Object)obj)
.append(" ")
.append(str)
.toString()
)
I must confes...
How to get the last character of a string in a shell?
...ying to print the last characters on a big file, this did the job for me: cat user/folder/file.json | tail -c 1 You can replace the 1 with the number of characters you want to print.
– Diego Serrano
Mar 31 at 20:18
...
The most sophisticated way for creating comma-separated Strings from a Collection/Array/List?
...
The StringBuilder class can be seen as a mutable String object which allocates more memory when its content is altered.
The original suggestion in the question can be written even more clearly and efficiently, by taking care of the redundant trailing comma:
StringBuilder result = new StringB...
Pipe to/from the clipboard in Bash script
...send data to the clipboard that works with Ctrl + C, Ctrl + V in most applications.
If you're on Mac OS X, there's pbcopy. e.g cat example.txt | pbcopy
If you're in Linux terminal mode (no X) then look into gpm or screen which has a clipboard. Try the screen command readreg.
Under Windows 10+ or...
Multiple types were found that match the controller named 'Home'
...wo completely unrelated applications residing in separate folder inside an FTP root folder. Maybe my application is looking for MVC controllers everywhere it can and that reach just so happens to extend to the other Home Controller. How can I tell it to not look anywhere but it's own Controller fold...
How to get Erlang's release version number from a shell?
.../erl
$ cd /usr/bin
$ ls -l erl
../lib/erlang/bin/erl
$ cd ../lib/erlang/
$ cat releases/17/OTP_RELEASE
17.3
EDIT
# Some versions seem to have OTP_VERSION instead of OTP_RELEASE
$ cat releases/17/OTP_VERSION
17.4
share
...
How to remove/change JQuery UI Autocomplete Helper text?
... a local variable containing a JSON object of url to word mapping [{ '/tag/cats': 'Cats', etc... }] So when the user types Ca Cats will show up in the dropdown and when selected or clicked it can populate a hidden field with the url for example.
– TK123
Mar 7 '...
How can I set the default timezone in node.js?
...e timezone configurations. You can find the latest timezone settings here: ftp.iana.org/tz/tzdata-latest.tar.gz For an overview of the possible timezone strings check the zone.tab file in that archive.
– JohannesB
Sep 15 '17 at 8:00
...
Automatically plot different colored lines
...ould use a colormap such as HSV to generate a set of colors. For example:
cc=hsv(12);
figure;
hold on;
for i=1:12
plot([0 1],[0 i],'color',cc(i,:));
end
MATLAB has 13 different named colormaps ('doc colormap' lists them all).
Another option for plotting lines in different colors is to use ...
How to get “wc -l” to print just the number of lines without file name?
...
cat file.txt | wc -l
According to the man page (for the BSD version, I don't have a GNU version to check):
If no files are specified, the standard input is used and no file
name is
displayed. The prompt will ...