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What's the maximum value for an int in PHP?
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integers. Integer size can be
determined using the constant
PHP_INT_SIZE, and maximum value using
the constant PHP_INT_MAX since PHP
4.4.0 and PHP 5.0.5.
64-bit platforms usually have a maximum value of about 9E18, except on Windows prior to PHP 7, where it was always 32 bit.
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ReactJS SyntheticEvent stopPropagation() only works with React events?
...gation() within a ReactJS component to stop a click event from bubbling up and triggering a click event that was attached with JQuery in legacy code, but it seems like React's stopPropagation() only stops propagation to events also attached in React, and JQuery's stopPropagation() doesn't stop propa...
What's the difference between String(value) vs value.toString()
Javascript has lot's of "tricks" around types and type conversions so I'm wondering if these 2 methods are the same or if there is some corner case that makes them different?
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What does !! mean in ruby?
...ly not necessary to use though since the only false values to Ruby are nil and false, so it's usually best to let that convention stand.
Think of it as
!(!some_val)
One thing that is it used for legitimately is preventing a huge chunk of data from being returned. For example you probably don't ...
How do you sort an array on multiple columns?
...[A, 5], [A, 10], [J, 5], [J, 15]]. It sorts by the first attribute first, and if those are the same, then it sorts by the second attribute. So in your example, A would come before J. In the case where A is the same for two elements, then it would use the second attribute. So For [A,10], [A,5], 5 ...
Why do you have to call .items() when iterating over a dictionary in Python?
...f least astonishment, in would also have to take such a tuple as its left-hand operand in the containment check.
How useful would that be? Pretty useless indeed, basically making if (key, value) in C a synonym for if C.get(key) == value -- which is a check I believe I may have performed, or wanted...
Sharing Test code in Maven
...so: classifier). It tells Maven a bit more explicitly what you are doing (and I've found that m2eclipse and q4e both like it better).
<dependency>
<groupId>com.myco.app</groupId>
<artifactId>foo</artifactId>
<version>1.0-SNAPSHOT</version>
<type...
How to add an auto-incrementing primary key to an existing table, in PostgreSQL?
...e with existing data. Is there a way to add a primary key without deleting and re-creating the table?
4 Answers
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Check if a folder exist in a directory and create them using C#
How can I check if directory C:/ contains a folder named MP_Upload , and if it does not exist, create the folder automatically?
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JBoss vs Tomcat again [closed]
...e old question (which it is :)) that which server is better between Tomcat and JBoss, but I have not found a good enough answer yet to solve my problem.
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