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How using try catch for exception handling is best practice
...ty components
Then I enclose in 'try/catch'
All the operations that I know might not work all the time (IO operations, calculations with a potential zero division...). In such a case, I throw a new ApplicationException("custom message", innerException) to keep track of what really happened
Add...
How to backup a local Git repository?
... + directory
else unless $?.exitstatus == 0 then raise( 'fatal: unknown exit status from git-config: ' + $?.exitstatus ) end
end
# verify directory exists
unless File::directory?( directory )
raise( 'fatal: backup directory does not exists: ' + directory )
end
# The date and time p...
What is the default height of UITableViewCell?
...properties in the Inspector window. I do not have my MacBook with me right now so I cannot check. But if you don't get a better answer from someone, that is how you can check for yourself.
share
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i...
Co-variant array conversion from x to y may cause run-time exception
...and I am not very happy about it, but there’s nothing we can do about it now.
– franssu
Oct 23 '14 at 8:21
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How does the HyperLogLog algorithm work?
...dom integers, see an integer which binary representation starts with some known prefix, there is a higher chance that the cardinality of the stream is 2^(size of the prefix).
That is, in a random stream of integers, ~50% of the numbers (in binary) starts with "1", 25% starts with "01", 12,5% starts...
Python: Continuing to next iteration in outer loop
I wanted to know if there are any built-in ways to continue to next iteration in outer loop in python. For example, consider the code:
...
Filter rows which contain a certain string
...
option 1 is to know for sure that dplyr loaded last. option 2 is you prefix dplyr::filter.
– userJT
Mar 1 '16 at 14:30
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How to migrate GIT repository from one server to a new one
...tory: Simply login to the new server, cd to the parent directory where you now want to hold the repository, and use rsync to copy from the old server:
new.server> rsync -a -v -e ssh user@old.server.com:path/to/repository.git .
Make clients point to the new repository: Now on each client using t...
Is gcc's __attribute__((packed)) / #pragma pack unsafe?
...4.)
When referring to the member x of a struct foo by name, the compiler knows that x is potentially misaligned, and will generate additional code to access it correctly.
Once the address of arr[0].x or arr[1].x has been stored in a pointer object, neither the compiler nor the running program know...
Autoresizing issue of UICollectionViewCell contentView's frame in Storyboard prototype cell (Xcode 6
...
Only this works now, you have to do it just for IOS 8, and I have to call it after each dequeue ! But this also is not ideal solution because multiple selection do not work as it should visually...
– Renetik
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