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Cast to int vs floor
...dited Dec 30 '14 at 21:44
Matt Ball
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answered Jul 21 '10 at 14:39
...
Why can I type alias functions and use them without casting?
...fmt"
"reflect"
)
type T1 []string
type T2 []string
func main() {
foo0 := []string{}
foo1 := T1{}
foo2 := T2{}
fmt.Println(reflect.TypeOf(foo0))
fmt.Println(reflect.TypeOf(foo1))
fmt.Println(reflect.TypeOf(foo2))
// Output:
// []string
// main.T1
// main...
Why does my 'git branch' have no master?
... branch name). So if the repository you cloned had a HEAD pointed to, say, foo, then your clone will just have a foo branch.
The remote you cloned from might still have a master branch (you could check with git ls-remote origin master), but you wouldn't have created a local version of that branch b...
How to pretty print XML from the command line?
...bxml2-utils
This utility comes with libxml2-utils:
echo '<root><foo a="b">lorem</foo><bar value="ipsum" /></root>' |
xmllint --format -
Perl's XML::Twig
This command comes with XML::Twig perl module, sometimes xml-twig-tools package:
echo '<root><foo ...
What does map(&:name) mean in Ruby?
...
It's shorthand for tags.map(&:name.to_proc).join(' ')
If foo is an object with a to_proc method, then you can pass it to a method as &foo, which will call foo.to_proc and use that as the method's block.
The Symbol#to_proc method was originally added by ActiveSupport but has be...
What's the scope of the “using” declaration in C++?
...
... which is generally a bad thing.
– Catskul
Feb 16 '11 at 5:25
17
...
Replace one character with another in Bash
.... Example:
foo=" "
# replace first blank only
bar=${foo/ /.}
# replace all blanks
bar=${foo// /.}
See http://tldp.org/LDP/abs/html/string-manipulation.html for more details.
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How can I use Guzzle to send a POST request in JSON?
...se = $client->post('url', [
GuzzleHttp\RequestOptions::JSON => ['foo' => 'bar'] // or 'json' => [...]
]);
Docs
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...
Restful way for deleting a bunch of items
...because you don't need any redirects. Incorporating AJAX you could do this all without leaving the page.
– rojoca
Mar 15 '10 at 19:40
...
NodeJS: How to get the server's port?
...uire('express')();
server.get('/', function(req, res) {
res.send("Hello Foo!");
});
var listener = server.listen(3000);
console.log('Your friendly Express server, listening on port %s', listener.address().port);
// Your friendly Express server, listening on port 3000
Again, this is tested in E...