OCaml has two ways of specifying types, they can be done inline: let intEq (x : int) (y : int) : bool = … or they can be placed in an interface file, as you have done: val intEq : int -> int -> bool I believe the latter is preferred, since it more cleanly … Read more
You have to think about EBNF and ABNF as extensions that help you just to be more concise and expressive while developing your grammars. For example think about an optional non-terminal symbol, in a BNF grammar you would define it by using intermediate symbols like: A ::= OPTIONAL OTHER OPTIONAL ::= opt_part | epsilon while … Read more
It’s a variable named _ typically because you plan to not use it and throw it away. For example you can use the name x or foo instead. The difference between (_) and () is simple in that one function takes an argument and the other doesn’t. DON’T use a leading underscore for identifiers that … Read more
2019: the Powershell team are considering adding support for && to Powershell – weigh in at this GitHub PR Try this: $(command -arg1 -arg2 | Out-Host;$?) -and $(command2 -arg1 | Out-Host;$?) The $() is a subexpression allowing you to specify multiple statements within including a pipeline. Then execute the command and pipe to Out-Host so … Read more
Thanks to jNizM for their helpful guide on the AHK forums. Setup Notepad++ for AutoHotkey Syntax-Highlighting Download userDefineLang_AHK.xml as raw (Right-click and choosing save as target…) Start Notepad++ and click on Menu Language -> Define your language Click Import… and select the file you downloaded in step 1 Restart Notepad++ Default Theme (Preview) Lazy Theme … Read more
Heres curl example what works, and allows you to search multiple indexes: curl ‘http://localhost:9200/myindex1,myindex2/_search?q=*’ For single specific index: curl ‘http://localhost:9200/myindex1/_search?q=*’ To find find index names: curl ‘localhost:9200/_cat/indices’ And if you want to search all indexes: curl ‘localhost:9200/_search?pretty’
This can be helpful Type nbsp to add a single space. Type ensp to add 2 spaces. Type emsp to add 4 spaces. You can use non-breaking space (nbsp) 4 times to insert a tab. Please append & in the beginning and ; in the end of the above suggested space syntax
per https://github.com/github/gitignore/blob/master/Python.gitignore venv/ does the trick for sub-directories.
Just put the value inside single or double quotes and it won’t be treated like a comment. Something like: en: twitter: share: “#hashtag”
That isn’t part of the syntax for the onoremap command, that is explaining what a particular mapping does. That mapping is: onoremap <silent> F :<C-U>normal! 0f(hviw<CR> So, when the F key is used while an operator is pending vim will replace that with the bits in the next argument to the onoremap command. That starts … Read more