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Swift - How to convert String to Double
...ocumentation:(They are not locale-aware) The following convenience methods all skip initial space characters (whitespaceSet) and ignore trailing characters. They are not locale-aware. NSScanner or NSNumberFormatter can be used for more powerful and locale-aware parsing of numbers.
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How to use a variable to specify column name in ggplot
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"cumbersome"? Non-standard evaluation in R is ironically the most cumbersome "feature" I have ever encountered in a programming language. Truly maddening.
– jessexknight
Feb 4 at 18:10
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What is a message pump?
...ce given there is not to do so. In one post it is stated "The Office APIs all assume you are running Office in an interactive session on a desktop, with a monitor, keyboard and mouse and, most importantly, a message pump." I'm not sure what that is. (I've been programming in C# for only about a y...
Add an element to an array in Swift
...red Jun 2 '14 at 20:33
Mick MacCallumMick MacCallum
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Catching java.lang.OutOfMemoryError?
... to do so).
In general, the OutOfMemoryError occurs due to a block memory allocation that cannot be satisfied with the remaining resources of the heap.
When the Error is thrown the heap contains the same amount of allocated objects as before the unsuccessful allocation and now is the time to drop ...
targetContentOffsetForProposedContentOffset:withScrollingVelocity without subclassing UICollectionVi
...or anyone who is reading this in the future.
First I set up the subclass call MyCollectionViewFlowLayout and then in interface builder I changed the collection view layout to Custom and selected my flow layout subclass.
Because you're doing it this way you can't specify items sizes, etc... in IB s...
What is Rack middleware?
...tages of processing a request - separation of concerns being a key goal of all well designed software products.
For example with Rack I can have separate stages of the pipeline doing:
Authentication: when the request arrives, are the users logon details correct? How do I validate this OAuth, HTTP...
Disabling browser print options (headers, footers, margins) from page?
...t consistent. Safari still does not support setting printer page margin at all, but all the other major browsers now support it.
With the @page directive, you can specify printer margin of the page (which is not the same as normal CSS margin of an HTML element):
<html xmlns="http://www.w3.org/199...
Is there any algorithm in c# to singularize - pluralize a word?
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Hmmm are you allow to redistribute, or just use, a Design DLL? I ask that because I know that the license for DevExpress prohibit redistributing any .design DLL.
– Pierre-Alain Vigeant
Mar 30 '11 at ...
Find location of a removable SD card
...l Android 4.4, the official Android platform has not supported SD cards at all except for two special cases: the old school storage layout where external storage is an SD card (which is still supported by the platform today), and a small feature added to Android 3.0 where it would scan additional SD...