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Crontab Day of the Week syntax
... 1 - 7 => Monday - Sunday)
↓ ↓ ↓ ↓ ↓
* * * * * command to be executed
Finally, if you want to specify day by day, you can separate days with commas, for example SUN,MON,THU will exectute the command only on sundays, mondays on thursdays.
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Android Studio marks R in red with error message “cannot resolve symbol R”, but build succeeds
...re marked in red with the error message "cannot resolve symbol R", but the compilation succeeds and the application runs. This is really annoying, as it blocks auto-completion and shows huge red waved lines all over my code.
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Can PostgreSQL index array columns?
... being done on this for text values, but contributors would probably be welcome to help finish it off).
– xzilla
Dec 5 '11 at 18:13
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How to use the “required” attribute with a “radio” input field
...examples of when it actually would be a poor user interface to use their recommendation, so I wanted to provide one. They make it sound like if you use it, you haven't given thought to your UX. I want other developers to have the confidence to make an informed design choice -- not just blindly def...
Ruby regular expression using variable name
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How do I convert a byte array to Base64 in Java?
...e64.
Java < 8
Base64 is not bundled with Java versions less than 8. I recommend using Apache Commons Codec.
For direct byte arrays:
Base64 codec = new Base64();
byte[] encoded = codec.encode("Hello".getBytes());
println(new String(encoded)); // Outputs "SGVsbG8="
byte[] decoded = codec.decode(...
Should I use document.createDocumentFragment or document.createElement
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Calculating how many minutes there are between two times
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This should not be the accepted answer. As per the other comments, it doesn't solve the question properly.
– tjmoore
May 12 '17 at 13:21
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In Sublime Text 2, how do I open new files in a new tab?
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People don't forget the comma at the end. And put it inside curly braces if you have nothing inside your config file yet.
– Rudolf Real
Apr 29 '14 at 19:32
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