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How do I make a batch file terminate upon encountering an error?
I have a batch file that's calling the same executable over and over with different parameters. How do I make it terminate immediately if one of the calls returns an error code of any level?
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Convert ArrayList to String[] array [duplicate]
I'm working in the android environment and have tried the following code, but it doesn't seem to be working.
6 Answers
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Zipping streams using JDK8 with lambda (java.util.stream.Streams.zip)
In JDK 8 with lambda b93 there was a class java.util.stream.Streams.zip in b93 which could be used to zip streams (this is illustrated in the tutorial Exploring Java8 Lambdas. Part 1 by Dhananjay Nene ). This function :
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Extracting specific columns from a data frame
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Using the dplyr package, if your data.frame is called df1:
library(dplyr)
df1 %>%
select(A, B, E)
This can also be written without the %>% pipe as:
select(df1, A, B, E)
share
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In PHP, what is a closure and why does it use the “use” identifier?
.... This is not evil at all and in fact it is quite powerful and useful.
Basically what this means is that you are allowing the anonymous function to "capture" local variables (in this case, $tax and a reference to $total) outside of it scope and preserve their values (or in the case of $total the...
Lodash - difference between .extend() / .assign() and .merge()
In the Lodash library, can someone provide a better explanation of merge and extend / assign .
5 Answers
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Compare two dates with JavaScript
...ter than, less than, and not in the past using JavaScript? The values will be coming from text boxes.
38 Answers
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pandas dataframe columns scaling with sklearn
...e of the columns. Ideally, I'd like to do these transformations in place, but haven't figured out a way to do that yet. I've written the following code that works:
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Constructing pandas DataFrame from values in variables gives “ValueError: If using all scalar values
This may be a simple question, but I can not figure out how to do this. Lets say that I have two variables as follows.
17 A...
Does Python have a ternary conditional operator?
If Python does not have a ternary conditional operator, is it possible to simulate one using other language constructs?
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