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Functions that return a function
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123
Assigning a variable to a function (without the parenthesis) copies the reference to the functi...
filter items in a python dictionary where keys contain a specific string
...natory, as it reads like English pretty well.
This syntax requires Python 2.7 or greater.
In Python 3, there is only dict.items(), not iteritems() so you would use:
filtered_dict = {k:v for (k,v) in d.items() if filter_string in k}
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How to validate an Email in PHP?
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277
You can use the filter_var() function, which gives you a lot of handy validation and sanitizat...
MySQL: Insert record if not exists in table
...able_listnames` (
`id` int(11) NOT NULL auto_increment,
`name` varchar(255) NOT NULL,
`address` varchar(255) NOT NULL,
`tele` varchar(255) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB;
Insert a record:
INSERT INTO table_listnames (name, address, tele)
SELECT * FROM (SELECT 'Rupert', 'S...
Fastest way to determine if an integer's square root is an integer
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Why are Python lambdas useful? [closed]
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26 Answers
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Inline labels in Matplotlib
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Nice question, a while ago I've experimented a bit with this, but haven't used it a lot because...
getMinutes() 0-9 - How to display two digit numbers?
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20 Answers
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How to use if - else structure in a batch file?
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112
Your syntax is incorrect. You can't use ELSE IF. It appears that you don't really need it anyway...