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python: How do I know what type of exception occurred?
I have a function called by the main program:
15 Answers
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Algorithm to generate a crossword
...on which probably isn't the most efficient, but it works well enough. Basically:
Sort all the words by length, descending.
Take the first word and place it on the board.
Take the next word.
Search through all the words that are already on the board and see if there are any possible intersections (...
Namespace + functions versus static methods on a class
...e, a set of related functions. Let's say they're math-related. Organizationally, should I:
7 Answers
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Guid.NewGuid() vs. new Guid()
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new Guid() makes an "empty" all-0 guid (00000000-0000-0000-0000-000000000000 is not very useful).
Guid.NewGuid() makes an actual guid with a unique value, what you probably want.
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Android splash screen image sizes to fit all devices
...pi , and xhdpi ). My application is supposed to run good and beautiful on all phones and tablets. What sizes (in pixels) should I create so the splash displays nice on all screens?
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How to create a css rule for all elements except one class?
...t for my project. Is there any way I can create a css rule that applies to all table elements EXCEPT table elements belonging to the class "dojoxGrid"? Something like:
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Get exit code of a background process
I have a command CMD called from my main bourne shell script that takes forever.
12 Answers
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Does making a struct volatile make all its members volatile?
...er way to look at the original question):
Does making a struct const make all its members const?
If I have:
struct whatever { int data; };
const whatever test;
Will test.data be const too?
My answer is : Yes. If you declare an object of type whatever with const then all its members will be co...
How to open a specific port such as 9090 in Google Compute Engine
... to open port 9090 in both the instances. I think we need to add some firewall rules.
8 Answers
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Summarizing multiple columns with dplyr? [duplicate]
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The dplyr package contains summarise_all for this aim:
library(dplyr)
df %>% group_by(grp) %>% summarise_all(list(mean))
#> # A tibble: 3 x 5
#> grp a b c d
#> <int> <dbl> <dbl> <dbl> <dbl>
#>...