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UICollectionView current visible cell index
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Since iOS 10 it's now also possible to use indexPathsForVisibleItems directly :)
– Ben
Nov 7 '16 at 14:03
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Unsafe JavaScript attempt to access frame with URL
...ge/, instead of doing
parent.location.hash = "#foobar";
you do need to know the parents location and do
parent.location = "http://example.com/page/#foobar";
Since the resource is not navigated this will work as expected, only changing the hash part of the url.
If you are using this for cross-...
What are the differences among grep, awk & sed? [duplicate]
...taining "That"
Every line containing "This"
Every line containing "This"
Now awk and sed are completly different than grep.
awk and sed are text processors. Not only do they have the ability to find what you are looking for in text, they have the ability to remove, add and modify the text as well ...
Determine if variable is defined in Python [duplicate]
How do you know whether a variable has been set at a particular place in the code at runtime? This is not always obvious because (1) the variable could be conditionally set, and (2) the variable could be conditionally deleted. I'm looking for something like defined() in Perl or isset() in PHP or...
Why is Android Studio reporting “URI is not registered”? [closed]
...noticed that the IDE had some of their functionality built into it. Having now created a default new project, I added a new layout file and wanted to change the existing default 'hello world' example layout, and I got an "URI is not registered" error on the following lines:
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How To Accept a File POST
...using the webapi? Below is how action I am currently using. Does anyone know of an example how this should work?
13 Answe...
What is the easiest way to make a C++ program crash?
... to make a quick C++ program that crashes on purpose but I don't actually know the best and shortest way to do that, does anyone know what to put between my:
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Replace non-ASCII characters with a single space
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Yes, I know this does not work for this question, but I landed here trying to solve that problem, so I thought I’d just share my solution to my own problem, which I think is very common for people as @dotancohen who deal with non-a...
How can I sort a List alphabetically?
...e line shorter, though.
Never worry about is this list really sorted right now becaude a TreeSet is always sorted, no matter what you do.
You cannot have duplicate entries. Depending on your situation this may be a pro or a con. If you need duplicates, stick to your List.
An experienced programmer l...
input() error - NameError: name '…' is not defined
... your name: input("Enter your name again: ")
Enter your name again: dude
Now, when input("Enter your name: ") is executed, it waits for the user input and the user input is a valid Python function invocation and so that is also invoked. That is why we are seeing Enter your name again: prompt again...