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When should we use intern method of String on String literals
...
String literals and constants are interned by default.
That is, "foo" == "foo" (declared by the String literals), but new String("foo") != new String("foo").
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Make .gitignore ignore everything except a few files
...ent answer, but It's worth noting for anyone coming across this later that foo and foo/* are not the same. For this to work, you need to use foo/* for the base folder
– thislooksfun
Jul 30 '16 at 16:13
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How to get a path to a resource in a Java JAR file
...the difference between:
getClass().getClassLoader().getResource("com/myorg/foo.jpg") //relative path
and
getClass().getResource("/com/myorg/foo.jpg")); //note the slash at the beginning
I guess, this confusion is causing most of problems when loading a resource.
Also, when you're loading an image...
How to import existing Git repository into another?
... to do that is to use git format-patch.
Assume we have 2 git repositories foo and bar.
foo contains:
foo.txt
.git
bar contains:
bar.txt
.git
and we want to end-up with foo containing the bar history and these files:
foo.txt
.git
foobar/bar.txt
So to do that:
1. create a temporary di...
Why does calling a function in the Node.js REPL with )( work?
....} as Object literals/initialisers rather than as a block.
var stmt = '{ "foo": "bar" }';
var expr = '(' + stmt + ')';
console.log(eval(expr)); // Object {foo: "bar"}
console.log(eval(stmt)); // SyntaxError: Unexpected token :
And, as leesei mentioned, this has been changed for 0.11.x, which wil...
How to search file text for a pattern and replace it with a given value
...de into your programs.
Here's a quick short way to do it.
file_names = ['foo.txt', 'bar.txt']
file_names.each do |file_name|
text = File.read(file_name)
new_contents = text.gsub(/search_regexp/, "replacement string")
# To merely print the contents of the file, use:
puts new_contents
#...
What is the difference between an expression and a statement in Python?
...ression is something that can be reduced to a value, for example "1+3" or "foo = 1+3".
It's easy to check:
print foo = 1+3
If it doesn't work, it's a statement, if it does, it's an expression.
Another statement could be:
class Foo(Bar): pass
as it cannot be reduced to a value.
...
Creating an iframe with given HTML dynamically
...2/
var iframe = document.createElement('iframe');
var html = '<body>Foo</body>';
iframe.src = 'data:text/html;charset=utf-8,' + encodeURI(html);
document.body.appendChild(iframe);
console.log('iframe.contentWindow =', iframe.contentWindow);
Also this answer your question it's importan...
See changes to a specific file using git
...ffs for each change).
In other words, if the file named bar was once named foo, then git log -p bar (without the --follow option) will only show the file's history up to the point where it was renamed -- it won't show the file's history when it was known as foo. Using git log --follow -p bar will sh...
Start thread with member function
...clude <thread>
#include <iostream>
class bar {
public:
void foo() {
std::cout << "hello from member function" << std::endl;
}
};
int main()
{
std::thread t(&bar::foo, bar());
t.join();
}
EDIT:
Accounting your edit, you have to do it like this:
std::thre...