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How to determine why visual studio might be skipping projects when building a solution
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SQL - find records from one table which don't exist in another
...k)
alternatively (thanks to Alterlife)
SELECT *
FROM Call
WHERE NOT EXISTS
(SELECT *
FROM Phone_book
WHERE Phone_book.phone_number = Call.phone_number)
or (thanks to WOPR)
SELECT *
FROM Call
LEFT OUTER JOIN Phone_Book
ON (Call.phone_number = Phone_book.phone_number)
WHERE ...
All falsey values in JavaScript
... in JavaScript that are 'falsey' , meaning that they evaluate as false in expressions like if(value) , value ? and !value ?
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Array.push() if does not exist?
How can I push into an array if neither values exist? Here is my array:
23 Answers
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How to do URL decoding in Java?
...r.decode(url, StandardCharsets.UTF_8.name());
} catch (UnsupportedEncodingException e) {
// not going to happen - value came from JDK's own StandardCharsets
}
Java 10 added direct support for Charset to the API, meaning there's no need to catch UnsupportedEncodingException:
String result = ja...
Cleanest way to get last item from Python iterator
...the best way of getting the last item from an iterator in Python 2.6? For example, say
14 Answers
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Accurate way to measure execution times of php scripts
I want to know how many milliseconds a PHP for-loop takes to execute.
14 Answers
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How do I run Python code from Sublime Text 2?
I want to set up a complete Python IDE in Sublime Text 2.
16 Answers
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Why are iframes considered dangerous and a security risk?
...iframes considered dangerous and a security risk? Can someone describe an example of a case where it can be used maliciously?
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Running a Python script from PHP
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Tested on Ubuntu Server 10.04. I hope it helps you also on Arch Linux.
In PHP use shell_exec function:
Execute command via shell and return the complete output as a string.
It returns the output from the executed command or NULL if an error
occurred or the command produces no outp...