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How can I concatenate two arrays in Java?
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I found a one-line solution from the good old Apache Commons Lang library. ArrayUtils.addAll(T[], T...)
Code:
String[] both = ArrayUtils.addAll(first, second);
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impro...
What is base 64 encoding used for?
...he underlying protocol might think that you've entered a special character combination (like how FTP translates line endings).
So to get around this, people encode the binary data into characters. Base64 is one of these types of encodings.
Why 64?
Because you can generally rely on the same 64...
Smart way to truncate long strings
... veniam, quis nostrud exercitation
ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute
irure dolor in reprehenderit in voluptate velit esse cillum dolore
eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
proident, sunt in culpa qui officia deserunt mollit anim id...
How to detect user inactivity in Android
...ivity task (and prevent users from re-connecting on a back): stackoverflow.com/questions/7075349/…
– gfrigon
Nov 12 '15 at 22:03
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How to delete large data of table in SQL without log?
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How do I get the parent directory in Python?
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@Artfunkel Thanks. Your comment should be appended in the answer for its completeness' sake.
– tzot
Jun 29 '13 at 8:18
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Bash function to find newest file matching pattern
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The ls command has a parameter -t to sort by time. You can then grab the first (newest) with head -1.
ls -t b2* | head -1
But beware: Why you shouldn't parse the output of ls
My personal opinion: parsing ls is only dangerous whe...
Conditional formatting based on another cell's value
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This is supported in Google Sheets as of 2015:
https://support.google.com/drive/answer/78413#formulas
In your case, you will need to set conditional formatting on B5.
Use the "Custom formula is" option and set it to =B5>0.8*C5.
set the "Range" option to B5.
set the desired color
You ca...
Checking in packages from NuGet into version control?
Prior to NuGet, it was common accepted 'best practice' to check-in all external DLLs used on a project. Typically in a Libs or 3rdParty directory.
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python pandas remove duplicate columns
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