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Why is using the rails default_scope often recommend against?
Everywhere on the internet people mention that using the rails default_scope is a bad idea, and the top hits for default_scope on stackoverflow are about how to overwrite it. This feels messed up, and merits an explicit question (I think).
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Curly braces in string in PHP
What is the meaning of { } (curly braces) in string literals in PHP?
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Are non-synchronised static methods thread safe if they don't modify static class variables?
I was wondering if you have a static method that is not synchronised, but does not modify any static variables is it thread-safe? What about if the method creates local variables inside it? For example, is the following code thread-safe?
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How do I parse JSON with Objective-C?
I am new to iPhone. Can anyone tell me the steps to follow to parse this data and get the activity details, first name, and last name?
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Python ElementTree module: How to ignore the namespace of XML files to locate matching element when
I want to use the method of "findall" to locate some elements of the source xml file in the ElementTree module.
10 Answers
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Assert an object is a specific type
... object is an instance of a class? For various reasons I have an object in my test that I want to check the type of. Is it a type of Object1 or a type of Object2?
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What's the difference between disabled=“disabled” and readonly=“readonly” for HTML form input fields
I have read a bit on this, but I can't seem to find anything solid about how different browsers treat things.
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Difference between application/x-javascript and text/javascript content types
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text/javascript is obsolete, and application/x-javascript was experimental (hence the x- prefix) for a transitional period until application/javascript could be standardised.
You should use application/javascript. This is documented in the RFC.
As far a browsers are concerned, there is no ...
Convert columns to string in Pandas
I have the following DataFrame from a SQL query:
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Is SQL or even TSQL Turing Complete?
This came up at the office today. I have no plans of doing such a thing, but theoretically could you write a compiler in SQL? At first glance it appears to me to be turing complete, though extremely cumbersome for many classes of problems.
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