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Creating PHP class instance with a string
...er cool stuff you can do in php are:
Variable variables:
$personCount = 123;
$varname = 'personCount';
echo $$varname; // echo's 123
And variable functions & methods.
$func = 'my_function';
$func('param1'); // calls my_function('param1');
$method = 'doStuff';
$object = new MyClass();
$objec...
Newline in JLabel
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edited Dec 11 '17 at 23:15
Nathan
5,59066 gold badges3939 silver badges6262 bronze badges
answered J...
Prevent redirection of Xmlhttprequest
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Not according to the W3C standard for the XMLHttpRequest object (emphasis added):
If the response is an HTTP redirect:
If the origin of the URL conveyed by the Location header is same origin
with the XMLHttpRequest origin and the...
Hide console window from Process.Start C#
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edited Mar 25 '14 at 13:28
Fedor
1,43233 gold badges2828 silver badges3333 bronze badges
answered Fe...
How to do a safe join pathname in ruby?
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336
I recommend using File.join
>> File.join("path", "to", "join")
=> "path/to/join"
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How can I make gdb save the command history?
....gdbinit
Long answer:
Command history is covered in the GDB manual, 22.3 Command History. Create a file $HOME/.gdbinit, change its permissions to 0600, and add the following content:
set history save on
You can set the number of past commands saved with the following. The command is described...
How is performance affected by an unused using directive?
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135
An unused using has no impact to the runtime performance of your application.
It can affect ...
How does one use rescue in Ruby without the begin and end block
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3
Also, class definitions, module definitions and (I think) do/end block literals form implicit exception blocks.
– Jör...
Python argparse ignore unrecognised arguments
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