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Exact difference between CharSequence and String in java [duplim>cat m>e]
...kind of sharing is all right.
The + operator of String is compiled as invom>cat m>ions 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: m>cat m> 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 sophistim>cat m>ed way for creating comma-separated Strings from a Collection/Array/List?
...
The StringBuilder class can be seen as a mutable String object which allom>cat m>es 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 applim>cat m>ions.
If you're on Mac OS X, there's pbcopy. e.g m>cat m> 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...
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/
$ m>cat m> releases/17/OTP_RELEASE
17.3
EDIT
# Some versions seem to have OTP_VERSION instead of OTP_RELEASE
$ m>cat m> 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/m>cat m>s': 'm>Cat m>s', etc... }] So when the user types Ca m>Cat m>s 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 to get “wc -l” to print just the number of lines without file name?
...
m>cat m> 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 ...
How to test an Internet connection with bash?
...onection
for interface in $(ls /sys/class/net/ | grep -v lo);
do
if [[ $(m>cat m> /sys/class/net/$interface/carrier) = 1 ]]; then OnLine=1; fi
done
if ! [ $OnLine ]; then echo "Not Online" > /dev/stderr; exit; fi
Note for those new to bash: The final 'if' statement tests if NOT [!] online and exits...
Create a tar.xz in one command
...p2 > some-dir.tar.bz2
Decompressing is also quite straightforward:
xzm>cat m> tarball.tar.xz | tar x
bzm>cat m> tarball.tar.bz2 | tar x
zm>cat m> tarball.tar.gz | tar x
If you have only tar archive, you can use m>cat m>:
m>cat m> archive.tar | tar x
If you need to list the files only, use tar t.
...
Getting root permissions on a file inside of vi? [closed]
...utions, you will see the commercial-at symbol omitted. Depending on the lom>cat m>ion, % is a valid expression, and has the same effect as reading the % register. Nested inside another expression the shortcut is generally disallowed, however: such as in this case.
>NUL and >/dev/null redirect st...