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Encapsulation vs Abstraction?
...or the first time ever, it actually clicked in my head and made sense. I know it's been 3+ years since you posted this, but thank you.
– Casey Crookston
Oct 8 '15 at 14:39
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How do I convert dates in a Pandas data frame to a 'date' data type?
...oing
df['time'] = pd.to_datetime(df['time'])
Throws a
ValueError: Unknown string format
That means you have invalid (non-coercible) values. If you are okay with having them converted to pd.NaT, you can add an errors='coerce' argument to to_datetime:
df['time'] = pd.to_datetime(df['time'], e...
How to read a file in reverse order?
...ek() is never encoding-aware, read() is if you open the file in text mode. Now if have 'aöaö' * 1000000, your blocks will not be aligned correctly.
– norok2
Nov 14 '18 at 13:25
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Echo tab characters in bash script
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Do you happen to know, why echo -e does not work from Makefiles?
– dma_k
Oct 17 '10 at 0:01
24
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Remove columns from dataframe where ALL values are NA
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dplyr now has a select_if verb that may be helpful here:
library(dplyr)
temp <- data.frame(x = 1:5, y = c(1,2,NA,4, 5), z = rep(NA, 5))
not_all_na <- function(x) any(!is.na(x))
not_any_na <- function(x) all(!is.na(x))
&g...
Execute JavaScript code stored as a string
... I tried this inside a try/catch block, and it works perfectly. I can now take any JavaScript code typed into a text block, pass it to my function, and execute it. The catch block can then insert error messages from the JavaScript engine into a DOM element and display any errors in the code. If...
Formatting Numbers by padding with leading zeros in SQL Server
... Still, I'd like to see this bubble a little closer to the top now.
– Dave Haynes
Dec 16 '14 at 15:34
4
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Random strings in Python
... Neat! I'm actually using this for a random password generator now! Thanks!
– chandsie
Apr 15 '11 at 0:45
13
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Scoping in Python 'for' loops
...reator, Guido van Rossum, worked on ABC for several years in the 1980s. I know almost nothing about ABC, but as it is intended for beginners, I suppose it must have a limited number of scopes, much like early BASICs.
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Display lines number in Stack Trace for .NET assembly in Release mode
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My solution
Copy pdb file in same folder that executable file.
now i can view the line number when run the exe file.
this is reason
http://msdn.microsoft.com/en-us/library/ee416588%28v=vs.85%29.aspx
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