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How can I return two values from a function in Python?
I would like to return two values from a function in two separate variables.
For example:
8 Answers
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How to change the CHARACTER SET (and COLLATION) throughout a database?
Our previous programmer set the wrong collation in a table (Mysql). He set it up with Latin collation, when it should be UTF8, and now I have issues. Every record with Chinese and Japan character turn to ??? character.
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How to validate an email address in JavaScript
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Using regular expressions is probably the best way. You can see a bunch of tests here (taken from chromium)
function validateEmail(email) {
const re = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}...
How can I convert ereg expressions to preg in PHP?
...e to know an easy way to convert the old expressions to PCRE (Perl Compatible Regular Expressions) (preg) .
4 Answers
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How do you create a Distinct query in HQL
Is there a way to create a Distinct query in HQL. Either by using the "distinct" keyword or some other method. I am not sure if distinct is a valid keywork for HQL, but I am looking for the HQL equivalent of the SQL keyword "distinct".
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Parse large JSON file in Nodejs
I have a file which stores many JavaScript objects in JSON form and I need to read the file, create each of the objects, and do something with them (insert them into a db in my case). The JavaScript objects can be represented a format:
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Could someone explain the pros of deleting (or keeping) unused code?
I have heard many times that unused code must be deleted from the project.
However it is not clear for me "why?".
11 Answer...
How to Implement DOM Data Binding in JavaScript
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How would binding work for objects?
How listening to change in the form might work?
An abstraction that updates both objects
I suppose there are other techniques, but ultimately I'd have an object that holds reference to a rela...
How do I skip an iteration of a `foreach` loop?
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You want:
foreach (int number in numbers) // <--- go back to here --------+
{ // |
if (number < 0) // |
{ ...
break out of if and foreach
...foreach loop and an if statement. If a match is found i need to ultimately break out of the foreach.
4 Answers
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