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TypeError: 'NoneType' object is not iterable in Python
What does error TypeError: 'NoneType' object is not iterable mean?
7 Answers
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UIButton inside a view that has a UITapGestureRecognizer
I have view with a UITapGestureRecognizer . So when I tap on the view another view appears above this view. This new view has three buttons. When I now press on one of these buttons I don't get the buttons action, I only get the tap gesture action. So I'm not able to use these buttons anymore. What...
vim, switching between files rapidly using vanilla Vim (no plugins)
I understand that limiting myself to vanilla Vim (not using plugins) limits the power of the editor, but as I switch between different machines frequently, it is often too much trouble to move my environment around everywhere. I want to just stay in vanilla Vim.
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Differences between Perl and PHP [closed]
I'm planning to learn Perl 5 and as I have only used PHP until now, I wanted to know a bit about how the languages differ from each other.
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How does Access-Control-Allow-Origin header work?
Apparently, I have completely misunderstood its semantics. I thought of something like this:
16 Answers
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Regarding 'main(int argc, char *argv[])' [duplicate]
Every program is starting with the main(int argc, char *argv[]) definition.
8 Answers
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What is an idiomatic way of representing enums in Go?
I'm trying to represent a simplified chromosome, which consists of N bases, each of which can only be one of {A, C, T, G} .
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What are .NET Assemblies?
What are .NET Assemblies? I browsed over the net and I am not able to understand the definition.
19 Answers
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Is it possible to write data to file using only JavaScript?
I want to Write Data to existing file using JavaScript.
I don't want to print it on console.
I want to Actually Write data to abc.txt .
I read many answered question but every where they are printing on console.
at some place they have given code but its not working.
So please can any one help me H...
Why is address zero used for the null pointer?
In C (or C++ for that matter), pointers are special if they have the value zero: I am adviced to set pointers to zero after freeing their memory, because it means freeing the pointer again isn't dangerous; when I call malloc it returns a pointer with the value zero if it can't get me memory; I use ...