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How to check a string for specific characters?

...aster than any! I decided to compare the timing for a long random string based on some of the valid points raised in the comments: # Tested in Python 2.7.14 import timeit from string import ascii_letters from random import choice def create_random_string(length=1000): random_list = [choice(...
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SqlAlchemy - Filtering by Relationship Attribute

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
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Use email address as primary key?

.... However, this does not matter if you simply retrieve a user from the database using the e-mail address. It does matter if you have complex queries with multiple joins. If you store information about users in multiple tables, the foreign keys to the users table will be the e-mail address. That mea...
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How do I change the font size of a UILabel in Swift?

... YannStephYannSteph 9,04033 gold badges4646 silver badges4242 bronze badges ...
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How do I check if a string is a number (float)?

...t of number, particularly numbers that are positive, non-negative, and use base 1-10. Further, this method is particularly useful and brief for cases where you want to inspect whether a string is a numeric ID or not, which often falls into the subset of numbers that I just described. ...
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What's the deal with a leading underscore in PHP class methods?

...sion. As it turns out, this came from PHP4 as Jeremy points out, & #ZF based their convention off of the PEAR convention. PEAR has removed it & I believe #ZF will follow suit. – joedevon Oct 16 '10 at 17:06 ...
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Rails: around_* callbacks

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Build Eclipse Java Project from Command Line

Is there a way to compile an Eclipse-based Java project from the command line? 8 Answers ...
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SQL WHERE condition is not equal to?

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What's the difference between IEquatable and just overriding Object.Equals()?

...: If you implement IEquatable<T>, you should also override the base class implementations of Object.Equals(Object) and GetHashCode so that their behavior is consistent with that of the IEquatable<T>.Equals method. If you do override Object.Equals(Object), your overridde...