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How do I get a file extension in PHP?
...t few people know it. Meet pathinfo():
$ext = pathinfo($filename, PATHINFO_EXTENSION);
This is fast and built-in. pathinfo() can give you other information, such as canonical path, depending on the constant you pass to it.
Remember that if you want to be able to deal with non ASCII characters, y...
is_null($x) vs $x === null in PHP [duplicate]
... three if you count isset() ) methods to determine if a value is null: is_null() and === null . I have heard, but not confirmed, that === null is faster, but in a code review someone strongly suggested that I use is_null() instead as it is specifically designed for the null-evaluation purpo...
How can a LEFT OUTER JOIN return more records than exist in the left table?
...
Table1 Table2
_______ _________
1 2
2 2
3 5
4 6
SELECT Table1.Id, Table2.Id FROM Table1 LEFT OUTER JOIN Table2 ON Table1.Id=Table2.Id
Resu...
How do I ignore ampersands in a SQL script running from SQL Plus?
...e code below:
set escape on
and put a \ beside & in the left 'value_\&_intert'
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Safely override C++ virtual functions
...e keyword:
class child : public parent {
public:
// force handle_event to override a existing function in parent
// error out if the function with the correct signature does not exist
void handle_event(int something) override;
};
...
How to create fixed space and flexible space bar button items programmatically?
..."Today" style:UIBarButtonItemStylePlain target:self action:@selector(update_baritem:)];
todayItem.tag = 2;
UIBarButtonItem *cashItem = [[UIBarButtonItem alloc] initWithTitle:@"Cash" style:UIBarButtonItemStylePlain target:self action:@selector(update_baritem:)];
cashItem.tag = 3;
UIBarButtonItem *c...
Symbolic links and synced folders in Vagrant
...ve it by adding particular rsync args to my vagrantfile:
config.vm.synced_folder ".", "/var/www", type: "rsync", rsync__args: ["--verbose", "--archive", "--delete", "-z"]
I also opened this issue on vagrant's github to point out something that appears to be wrong with their default value for r...
Javascript heredoc
... answered Jan 19 '13 at 16:19
Zv_oDDZv_oDD
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Using HTML in Express instead of Jade
...y use response.sendFile
app.get('/', function (req, res) {
res.sendfile(__dirname + '/index.html');
});)
From the official express api reference:
res.sendfile(path, [options], [fn]])
Transfer the file at the given path.
Automatically defaults the Content-Type response header field...
In Python, when should I use a function instead of a method?
... as cars. You mention a duck, so let's go with that.
class duck:
def __init__(self):pass
def eat(self, o): pass
def crap(self) : pass
def die(self)
....
In the context of the "objects are real things" analogy, it is "correct" to add a class method for anything which the obje...