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Exact difference between CharSequence and String in java [duplicate]
... See JEP 355: Text Blocks (Preview).
This effort was preceded by JEP 326: Raw String Literals (Preview).
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HMAC-SHA1 in bash
...c "$key" "$@"
}
# hex output by default
hash_hmac "sha1" "value" "key"
# raw output by adding the "-binary" flag
hash_hmac "sha1" "value" "key" -binary | base64
# other algos also work
hash_hmac "md5" "value" "key"
shar...
How do I check the difference, in seconds, between two dates?
... date of either invocation - we care about the elapsed time. So just use a raw timestamp, as shown.
– Karl Knechtel
Dec 6 '10 at 1:58
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iOS UIImagePickerController result image orientation after upload
... which instructs the UIImageView and other UIImage consumers to rotate the raw image data. There's a good chance that this flag is being saved to the exif data in the uploaded jpeg image, but the program you use to view it is not honoring that flag.
To rotate the UIImage to display properly when up...
Entity Framework is Too Slow. What are my options? [closed]
...ty fast in most others. Why not use both? EF handles stored procedures and raw SQL just fine. I just converted a LINQ-to-SQL query that took 10+ seconds into a SP that takes ~1 second, but I'm not gonna throw all LINQ-to-SQL out. It saved a LOT of time in other simpler cases, with less code and less...
How to convert std::string to lower case?
... -- virtually everywhere you would expect i, but in Turkey ı (LATIN SMALL LETTER DOTLESS I) is the correct answer (which, again, is more than one byte in UTF-8 encoding).
So, any case conversion that works on a character at a time, or worse, a byte at a time, is broken by design. This includes all ...
Why are Standard iterator ranges [begin, end) instead of [begin, end]?
...es, but to indicate the elements themselves. I'll replace the numbers with letters to make that clearer. Indeed, with the numbers as given, begin[0] (assuming a random access iterator) would access element 1, since there's no element 0 in my example sequence.
– celtschk
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What is the difference between supervised learning and unsupervised learning? [closed]
...s that try to find correlations without any external inputs other than the raw data.
Example: data mining clustering algorithms.
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String.replaceAll single backslashes with double backslashes
...to replace "\\\\" with "\\\\", believe it or not! Java really needs a good raw string syntax.
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When is std::weak_ptr useful?
...tr is a very good way to solve the dangling pointer problem. By just using raw pointers it is impossible to know if the referenced data has been deallocated or not. Instead, by letting a std::shared_ptr manage the data, and supplying std::weak_ptr to users of the data, the users can check validity o...