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Regular Expression: Any character that is NOT a letter or number
... the regular expression that will match any character that is not a letter or a number. So characters such as (,,@,£,() etc ...
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Function to clear the console in R and RStudio
...nction to clear the console in R and, in particular, RStudio I am looking for a function that I can type into the console, and not a keyboard shortcut.
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Nginx Different Domains on Same IP
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Your "listen" directives are wrong. See this page: http://nginx.org/en/docs/http/server_names.html.
They should be
server {
listen 80;
server_name www.domain1.com;
root /var/www/domain1;
}
server {
listen 80;
server_name www.domain2.com;
root /var/ww...
++someVariable vs. someVariable++ in JavaScript
In JavaScript you can use ++ operator before ( pre-increment ) or after the variable name ( post-increment ). What, if any, are the differences between these ways of incrementing a variable?
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How to merge two files line by line in Bash
I have two text files, each of them contains an information by line such like that
4 Answers
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How to see all TODO tasks in Android Studio?
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You can find this "view" on bottom left menu bar.
Called TODO
(or)
Android Studio
go to View -> Tool Windows -> TODO to display the TODO panel
Anything marked
// TODO
should be visible in the list panel
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PHP check whether property exists in object or class
...ct variable, but I want to check whether a property is in the given object or class.
8 Answers
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Difference between as.POSIXct/as.POSIXlt and strptime for converting character vectors to POSIXct/PO
...ed a number of questions here that asks about how to convert character vectors to datetime classes. I often see 2 methods, the strptime and the as.POSIXct/as.POSIXlt methods. I looked at the 2 functions but am unclear what the difference is.
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Should I hash the password before sending it to the server side?
I noticed that most sites send the passwords as plain text over HTTPS to the server. Is there any advantage if instead of that I sent the hash of the password to the server? Would it be more secure?
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