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Left Align Cells in UICollectionView
...s in this thread do not work properly, when the line is composed by only 1 item or are over complicated.
Based on the example given by Ryan, I changed the code to detect a new line by inspecting the Y position of the new element. Very simple and quick in performance.
Swift:
class LeftAlignedCol...
How do I get the time of day in javascript/Node.js?
...ate object.
getHours() return the time from 0 - 23, so make sure to deal with it accordingly. I think 0-23 is a bit more intuitive since military time runs from 0 - 23, but it's up to you.
With that in mind, the code would be something along the lines of:
var date = new Date();
var current_hour =...
When to use symbols instead of strings in Ruby?
...nce the symbol, saving memory. So every time the interpreter reads :my_key it can take it from memory instead of instantiate it again. This is less expensive than initializing a new string every time.
You can get a list all symbols that are already instantiated with the command Symbol.all_symbols:...
Adding a column to a data.frame
....
Data frames can be indexed in several modes. When [ and [[ are used with a single vector index (x[i] or x[[i]]), they index the data frame as if it were a list.
my.dataframe["new.col"] <- a.vector
my.dataframe[["new.col"]] <- a.vector
The data.frame method for $, treats x as a lis...
How do I apply CSS3 transition to all properties except background-position?
I'd like to apply a CSS transition to all properties apart from background-position.
I tried to do it this way:
6 Answers
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How to install Android SDK Build Tools on the command line?
...e sdk -u -a -t 1,2,3,4,..,n
Where 1,2,..,n is the package number listed with the list command above
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How do I tell git to always select my local version for conflicted merges on a specific file?
Say I'm collaborating with someone via a git repository, and there is a particular file that I never want to accept any external changes to.
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Detecting endianness programmatically in a C++ program
...re a programmatic way to detect whether or not you are on a big-endian or little-endian architecture? I need to be able to write code that will execute on an Intel or PPC system and use exactly the same code (i.e. no conditional compilation).
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What does $@ mean in a shell script?
...umbrella_corp_options "$@"
this will be passed to umbrella_corp_options with each individual parameter enclosed in double quotes, allowing to take parameters with blank space from the caller and pass them on.
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Print current call stack from a method in Python code
In Python, how can I print the current call stack from within a method (for debugging purposes).
7 Answers
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