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How does Python 2 compare string and int? Why do lists compare as greater than numbers, and tuples g
...ring for string, numeric ordering for integers).
When you order a numeric and a non-numeric type, the numeric type comes first.
>>> 5 < 'foo'
True
>>> 5 < (1, 2)
True
>>> 5 < {}
True
>>> 5 < [1, 2]
True
When you order two incompatible types where n...
What is polymorphism, what is it for, and how is it used?
What is polymorphism, what is it for, and how is it used?
28 Answers
28
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What's the difference between :: (double colon) and -> (arrow) in PHP?
...to access instance members).
In general, :: is used for scope resolution, and it may have either a class name, parent, self, or (in PHP 5.3) static to its left. parent refers to the scope of the superclass of the class where it's used; self refers to the scope of the class where it's used; static r...
How to read a text file reversely with iterator in C#
I need to process a large file, around 400K lines and 200 M. But sometimes I have to process from bottom up. How can I use iterator (yield return) here? Basically I don't like to load everything in memory. I know it is more efficient to use iterator in .NET.
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How to create an android app using HTML 5
Can we create android applications using HTML5?
6 Answers
6
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Difference between C++03 throw() specifier C++11 noexcept
Is there any difference between throw() and noexcept other than being checked at runtime and compile time, respectively?
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Tips for using Vim as a Java IDE? [closed]
...
Some tips:
Make sure you use vim (vi improved). Linux and some versions of UNIX symlink vi to vim.
You can get code completion with eclim
Or you can get vi functionality within Eclipse with viPlugin
Syntax highlighting is great with vim
Vim has good support for writing little ma...
JPA getSingleResult() or null
... doesn't exist or update it if it does. To enable this, I have to findByIdAndForeignKey , if it returned null insert if not then update. The problem is how do I check if it exists? So I tried getSingleResult . But it throws an exception if the
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ComboBox: Adding Text and Value to an Item (no Binding Source)
In C# WinApp, how can I add both Text and Value to the items of my ComboBox?
I did a search and usually the answers are using "Binding to a source".. but in my case I do not have a binding source ready in my program...
How can I do something like this:
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Which version of CodeIgniter am I currently using?
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Downvote because @Timo's answer is much more precise and this answer does not make any sense; why use a function to echo a constant when one could either just use the constant or echo it from a view or whereever it is needed?
– Thomas Daugaard
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