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Crontab Day of the Week syntax
In crontab does the Day of the Week field run from 0 - 6 or 1 -7 ?
3 Answers
3
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What are the differences between Rust's `String` and `str`?
...t x: &[u8] = &[b'a', b'b', b'c'];
let stack_str: &str = str::from_utf8(x).unwrap();
In summary, use String if you need owned string data (like passing strings to other threads, or building them at runtime), and use &str if you only need a view of a string.
This is identical to t...
How to define static property in TypeScript interface
...e class doesn't have that field it won't compile
}
If you want to inherit from many interfaces statically you'll have to merge them first into a new one:
interface NameInterface {
Name:string;
}
interface AddressInterface {
Address:string;
}
interface NameAndAddressInterface extends NameInt...
How to compare two strings in dot separated version format in Bash?
... I got it working in a script in Ubuntu precise by removing -e from echo.
– Hannes R.
Mar 31 '14 at 12:38
2
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Compare if two variables reference the same object in python
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This is from docs.python.org: "Every object has an identity, a type and a value. An object’s identity never changes once it has been created; you may think of it as the object’s address in memory. The ‘is’ operator compares t...
Printing newlines with print() in R
...doesn't do what you want is that print() shows you a version of the object from the R level - in this case it is a character string. You need to use other functions like cat() and writeLines() to display the string. I say "a version" because precision may be reduced in printed numerics, and the prin...
What is the difference between sites-enabled and sites-available directory?
...file inside the sites-enabled directory. That will prevent Apache or NGINX from starting. If your site was working, it will not be anymore. You will have a hard time until you find out, in the logs, something related to the default.save file and, then, remove it.
In the example above, if you were e...
Function to calculate distance between two coordinates
...perly. According to Google Maps, the distance between these coordinates (from 59.3293371,13.4877472 to 59.3225525,13.4619422 ) are 2.2 kilometres while the function returns 1.6 kilometres. How can I make this function return the correct distance?
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How do I create an empty array in YAML?
...] or {} structures, which is a major incompatibility with JSON (copy-paste from Wikipedia) Cheers
– olibre
Feb 12 '13 at 10:51
2
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How to enable zoom controls and pinch zoom in a WebView?
...one is looking at this answer and wondering where the webview object comes from, you can get it via WebView webView = (WebView) appView.getEngine().getView(); as shown in this comment.
– Andrew Dant
May 24 '19 at 17:14
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