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Are Swift variables atomic?
...o redraw a view when the property is changed to a different value; that is now done easier using didSet.
– gnasher729
Jun 11 '14 at 9:22
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Convert string in base64 to image and save on filesystem in Python
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If the imagestr was bitmap data (which we now know it isn't) you could use this
imagestr is the base64 encoded string
width is the width of the image
height is the height of the image
from PIL import Image
from base64 import decodestring
image = Image.fromstring...
Android: Vertical alignment for multi line EditText (Text area)
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Do not use top|left unless you know you can control all the languages in your app, there are a lot of right-to-left languages out there (en.wikipedia.org/wiki/Right-to-left) Keep it localization-friendly
– MariusBudin
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What are the correct version numbers for C#?
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C# language version history:
These are the versions of C# known about at the time of this writing:
C# 1.0 released with .NET 1.0 and VS2002 (January 2002)
C# 1.2 (bizarrely enough); released with .NET 1.1 and VS2003 (April 2003). First version to call Dispose on IEnumerators which ...
What is the difference between server side cookie and client side cookie?
...r=20
Accept: */*
SESSIONS: Server side cookies
Server side cookies are known as "sessions". The website in this case stores a single cookie on the browser containing a unique Session Identifier. Status information (foo=10 and bar=20 above) are stored on the server and the Session Identifier is us...
What is the difference between LL and LR parsing?
... Accept
The two parsing algorithms you mentioned (LL and LR) are known to have different characteristics. LL parsers tend to be easier to write by hand, but they are less powerful than LR parsers and accept a much smaller set of grammars than LR parsers do. LR parsers come in many flavors...
Node.js and CPU intensive requests
... In fact, someone has ported it to the node world: github.com/technoweenie/coffee-resque
– FrontierPsycho
Mar 11 '15 at 10:20
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Does pandas iterrows have performance issues?
...a custom Cython routine is usually too complicated, so let's skip that for now.
1) Vectorization is ALWAYS, ALWAYS the first and best choice. However, there is a small set of cases (usually involving a recurrence) which cannot be vectorized in obvious ways. Furthermore, on a smallish DataFrame, it ...
Under what circumstances are linked lists useful?
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They can be useful for concurrent data structures.
(There is now a non-concurrent real-world usage sample below - that would not be there if @Neil hadn't mentioned FORTRAN. ;-)
For example, ConcurrentDictionary<TKey, TValue> in .NET 4.0 RC use linked lists to chain items that h...
When should I use cross apply over inner join?
...ct tbl.value + 1 as someFormula) as crossTbl and voilà! Your new field is now ready for use practically like it had always been there in your source data.
Values introduced through CROSS APPLY can...
be used to create one or multiple calculated fields without adding performance, complexity or re...