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Method chaining - why is it a good practice, or not?
...object, e.g. setting multiple properties or calling utility-type methods.
foo.setHeight(100).setWidth(50).setColor('#ffffff');
foo.moveTo(100,100).highlight();
I do not use it when one or more of the chained methods would return any object other than foo in my example. While syntactically you ca...
Different return values the first and second time with Moq
...
// returning different values on each invocation
var mock = new Mock<IFoo>();
var calls = 0;
mock.Setup(foo => foo.GetCountThing())
.Returns(() => calls)
.Callback(() => calls++);
// returns 0 on first invocation, 1 on the next, and so on
Console.WriteLine(mock.Object.GetCou...
Is a URL allowed to contain a space?
...he query string (after ?), a space is usually encoded as a +
GET /url?var=foo+bar HTTP/1.1
rather than
GET /url?var=foo%20bar HTTP/1.1
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Regex to replace multiple spaces with a single space
...e last method; ( / +(?= )/g, ' '); fails in IE9, it leaves double spaces: "Foo Bar Baz".replace(/ +(?= )/g, ' '); --> "Foo Bar Baz"
– Joel Peltonen
Apr 26 '13 at 10:22
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Python “raise from” usage
...
@laike9m: you mean when you are handling exception foo, and want to raise a new exception bar? Then you can use raise bar from foo and have Python state that foo directly caused bar. If you don't use from foo, then Python will still print both, but state that during handling ...
How to disable GCC warnings for a few lines of code
...0.
Here's an example:
#pragma GCC diagnostic error "-Wuninitialized"
foo(a); /* error is given for this one */
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wuninitialized"
foo(b); /* no diagnostic for this one */
#pragma GCC diagnostic pop
foo(c); ...
sed beginner: changing all occurrences in a folder
...se at least the find utility together:
find . -type f -exec sed -i.bak "s/foo/bar/g" {} \;
This command will create a .bak file for each changed file.
Notes:
The -i argument for sed command is a GNU extension, so, if you are running this command with the BSD's sed you will need to redirect th...
How to do a PUT request with curl?
...ader 'content-type: application/x-www-form-urlencoded' --data 'bar=baz&foo=foo1'
For POST request:
curl --request POST --url http://localhost:8080/post --header 'content-type: application/x-www-form-urlencoded' --data 'bar=baz&foo=foo1'
For GET request:
curl --request GET --url 'http:/...
How to encode the filename parameter of Content-Disposition header in HTTP?
... there is a comma (,) in the filename, e.g. Content-Disposition: filename="foo, bar.pdf". The result is that firefox downloads the file correctly but keeps the .part extension (e.g foo,bar.pdf-1.part). Then, of course the file won't open correctly because the application is not associated with .part...
When are C++ macros beneficial? [closed]
... Rather than type out the full catch blocks each time, I just type:
void Foo()
{
try {
::mylib::Foo()
}
HANDLE_EXCEPTIONS
}
This also makes maintenance easier. If I ever have to add a new exception type, there's only one place I need to add it.
There are other useful exampl...