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How to get the path of a running JAR file?
My code runs inside a JAR file, say foo.jar , and I need to know, in the code, in which folder the running foo.jar is.
3...
How to synchronize a static variable among threads running different instances of a class in Java?
...final static AtomicInteger count = new AtomicInteger(0);
public void foo() {
count.incrementAndGet();
}
}
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What's the difference between “ ” and “ ”?
...tions of the particular written language (script) and target medium.
So
foo bar
is displayed as
foo bar
But no-break space is always displayed. So
foo   bar
is displayed as
foo bar
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How do I load my script into the node.js REPL?
I have a script foo.js that contains some functions I want to play with in the REPL.
11 Answers
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How to correctly require a specific commit in Composer so that it would be available for dependent p
I have a library foo/foo-lib which requires a specific commit from GitHub:
3 Answers
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Bash: Strip trailing linebreak from output
... end in a \n), it will always output a final \n without -z.
Eg:
$ { echo foo; echo bar; } | sed -z '$ s/\n$//'; echo tender
foo
bartender
And to prove no NUL added:
$ { echo foo; echo bar; } | sed -z '$ s/\n$//' | xxd
00000000: 666f 6f0a 6261 72 foo.bar
To remove mult...
CFLAGS vs CPPFLAGS
...use to define include paths is a matter of personal taste. For instance if foo.c is a file in the current directory
make foo.o CPPFLAGS="-I/usr/include"
make foo.o CFLAGS="-I/usr/include"
will both call your compiler in exactly the same way, namely
gcc -I/usr/include -c -o foo.o foo.c
The diff...
Why is the order in dictionaries and sets arbitrary?
...re listed in the order they currently reside in the table.
Take the keys 'foo' and 'bar', for example, and lets assume the table size is 8 slots. In Python 2.7, hash('foo') is -4177197833195190597, hash('bar') is 327024216814240868. Modulo 8, that means these two keys are slotted in slots 3 and 4 t...
Accessing dict_keys element by index in Python3
...nary into a list results in a list of all the keys:
>>> test = {'foo': 'bar', 'hello': 'world'}
>>> list(test)
['foo', 'hello']
>>> list(test)[0]
'foo'
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JavaScript string newline character?
... 'LF' : ''));
}
log_newline('HTML source');
log_newline('JS string', "foo\nbar");
log_newline('JS template literal', `bar
baz`);
<textarea id="test" name="test">
</textarea>
IE8 and Opera 9 on Windows use \r\n. All the other browsers I tested (Safari 4 and Firefox 3.5 o...