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What are fixtures in programming?
...nment in which tests are run so that results are
repeatable. Some people call this the test context.
Examples of fixtures:
Loading a database with a specific, known set of data
Erasing a hard disk and installing a known clean operating system installation
Copying a specific known ...
How to fix “Headers already sent” error in PHP
...aders must be invoked before any output is made.
summary ⇊
Otherwise the call fails:
Warning: Cannot modify header information - headers already sent (output started at script:line)
Some functions modifying the HTTP header are:
header / header_remove
session_start / session_regenerate_id
s...
JavaScript data formatting/pretty printer
...ce(/,\n$/, "");
}
Choose your indentation on the line with the recursive call, and you brace style by switching the commented line after this one.
... I see you whipped up your own version, which is good. Visitors will have a choice.
...
Sort array of objects by object fields
...>name, $b->name);
}
usort($your_data, "cmp");
You can also use any callable as the second argument. Here are some examples:
Using anonymous functions (from PHP 5.3)
usort($your_data, function($a, $b) {return strcmp($a->name, $b->name);});
From inside a class
usort($your_data, ar...
What is the difference between '&' and ',' in Java generics?
...xtends MyClass , Serializable>
This declares two type parameters, one called T (which must extend MyClass) and one called Serializable (which hides java.io.Serializable — this is probably what the warning was about).
...
Android: Expand/collapse animation
...ode: the "initalize" method name should be "initialize" or it will not get called. ;) I'd recommend using @Override in the future so this kind of typo gets caught by the compiler.
– Lorne Laliberte
Sep 28 '11 at 3:57
...
Automatic HTTPS connection/redirect with node.js/express
.../' + req.headers.host + req.url);
// Or, if you don't want to automatically detect the domain name from the request header, you can hard code it:
// res.redirect('https://example.com' + req.url);
})
// have it listen on 8080
http.listen(8080);
The https express server listens ATM on 3000....
function declaration isn't a prototype
... to indicate that a function takes no arguments. In C++, unless you specifically need your code to compile both as C and as C++, just use ().
– Keith Thompson
Dec 30 '13 at 16:50
...
Right way to reverse pandas.DataFrame?
...ven[idx], data.Odd[idx])
You are getting an error because reversed first calls data.__len__() which returns 6. Then it tries to call data[j - 1] for j in range(6, 0, -1), and the first call would be data[5]; but in pandas dataframe data[5] means column 5, and there is no column 5 so it will throw ...
Where are Docker images stored on the host machine?
...kstart Terminal shortcut for the first time creates a virtual machine (VM) called 'default' (after a couple of unsuccessful starts - keep running it until it works). This 'default' VM can be located within Windows at: %USERPROFILE%\.docker\machine\machines (please note the full stop in the path)...