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Mapping over values in a python dictionary
...s() method instead of .items() to save memory. The dict comprehension syntam>x m> wasn't introduced until python 2.7.
Note that there is no such method on lists either; you'd have to use a list comprehension or the map() function.
As such, you could use the map() function for processing your dict as we...
Detect encoding and make everything UTF-8
I'm reading out lots of tem>x m>ts from various RSS feeds and inserting them into my database.
24 Answers
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Android screen size HDPI, LDPI, MDPI [duplicate]
...your emulator. 240 is hdpi, 160 is mdpi and below that are usually ldpi.
Em>x m>tract from Android Developer Guide link above:
320dp: a typical phone screen (240m>x m>320 ldpi, 320m>x m>480 mdpi, 480m>x m>800 hdpi, etc).
480dp: a tweener tablet like the Streak (480m>x m>800 mdpi).
600dp: a 7” tablet (600m>x m>1024 mdpi)....
source of historical stock data [closed]
... Yahoo gets their EOD data as well AFAIK. They have an API where you can em>x m>tract the data to whatever format you want. I think the yearly subscription for data is a few $100 bucks.
The main problem with downloading data from a free service is that you only get stocks that still em>x m>ist, this is cal...
Most underused data visualization [closed]
...(quote, as.is=TRUE)
stock.data <- transform(stock.data,
week = as.POSIm>X m>lt(Date)$yday %/% 7 + 1,
wday = as.POSIm>X m>lt(Date)$wday,
year = as.POSIm>X m>lt(Date)$year + 1900)
library(ggplot2)
ggplot(stock.data, aes(week, wday, fill = Adj.Close)) +
geom_tile(colour = "white") +
scale_fill_gradien...
Setting variable to NULL after free
...le that says, after freeing any memory, reset the variable to NULL . For em>x m>ample ...
23 Answers
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What does “hashable” mean in Python?
... if it has hash value now what is hash value. can you give some em>x m>ample
– user1755071
Jan 26 '13 at 9:56
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Counting the occurrences / frequency of array elements
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Nem>x m>t
96
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How can I uninstall an application using PowerShell?
... Add or Remove Programs ' functionality using PowerShell to uninstall an em>x m>isting application ? Or to check if the application is installed?
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Why are hem>x m>adecimal numbers prefim>x m>ed with 0m>x m>?
Why are hem>x m>adecimal numbers prefim>x m>ed as 0m>x m> ?
I understand the usage of the prefim>x m> but I don't understand the significance of why 0m>x m> was chosen.
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