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Purpose of #!/usr/bin/python3
...e: #!/bin/bash.
Without the shebang line, the operating system does not know it's a python script, even if you set the execution flag on the script and run it like ./script.py. To make the script run by default in python3, either invoke it as python3 script.py or set the shebang line.
You can use...
How can I remove a key and its value from an associative array?
...gt; true
];
$output = array_except($array, ['color', 'fixed']);
// $output now contains ['age' => '130']
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What should I do if the current ASP.NET session is null?
...nableSession = true)]
By specifying the EnableSession value, you will now have a managed session to play with. If you don’t specify this value, you will get a null Session object, and more than likely run into null reference exceptions whilst trying to access the session object.
Thanks to M...
Update one MySQL table with values from another
...), so I took your and noodl's advice about the indexes and the whole query now finishes in under a second. I can't believe the difference!? Thanks so much for your help; I've learnt a lot!
– Superangel
Apr 20 '11 at 13:47
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What does the “at” (@) symbol do in Python?
...which used the @ symbol, but I have no idea what it does. I also do not know what to search for as searching Python docs or Google does not return relevant results when the @ symbol is included.
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log all queries that mongoose fire in the application
... have application using nodejs and mongodb. I have used mongoose for ODM.
Now i want to log all the queries that mongoose fire during the whole application.
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What events does an fire when it's value is changed?
Just wondering whether anyone knows what events an HTML5 <input type="number" /> element fires when its up / down arrows are clicked:
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How can I pipe stderr, and not stdout?
...ard error) to the same place as fd 3 (standard output).
Standard error is now available as standard output and the old standard output is preserved in standard error. This may be overkill, but it hopefully gives more details on Bash file descriptors (there are nine available to each process).
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java SSL and cert keystore
How does my java program know where my keystore containing the certificate is? Or alternatively how do I tell my java program where to look for the keystore?
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Difference between std::result_of and decltype
...f a deduction failure. That has been corrected in C++14: std::result_of is now required to be SFINAE-friendly (thanks to this paper).
So on a conforming C++14 compiler, std::result_of_t<F(Args...)> is strictly superior. It's clearer, shorter, and correctly† supports more Fs‡ .
†Unless...