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Convert array of strings into a string in Java
... 8 and above):
String str = String.join(",", arr);
And if you're coming from the Android angle:
String str = TextUtils.join(",", arr);
You can modify the above depending on what characters, if any, you want in between strings.
You may see near identical code to the pre-Java 8 code but using S...
Get color value programmatically when it's a reference (theme)
...reate a ContextThemeWrapper using the theme id and then retrieve the theme from that.
– Ted Hopp
May 19 '16 at 20:09
1
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git: updates were rejected because the remote contains work that you do not have locally
...have not taken updated remote in our local environment.
So Take pull first from remote
git pull
It will update your local repository and add a new Readme file.
Then Push updated changes to remote
git push origin master
...
Error: Can't set headers after they are sent to the client
...At least with the current npm install connect, which looks quite different from the one github as of this post). When the server gets a request, it iterates over the stack, calling the (request, response, next) method.
The problem is, if in one of the middleware items writes to the response body o...
Single script to run in both Windows batch and Linux Bash?
...se, we make sure that our heredoc’s delimiter is both quoted (to stop sh from doing any sort of interpretation on its contents when running with sh) and starts with : so that cmd skips over it like any other line starting with :.
:; echo "I am ${SHELL}"
:<<"::CMDLITERAL"
ECHO I am %COMSPEC%...
How do you check in python whether a string contains only numbers?
...isdigit method on your str object:
if len(isbn) == 10 and isbn.isdigit():
From the isdigit documentation:
str.isdigit()
Return True if all characters in the string are digits and there is at least one character, False otherwise. Digits include decimal characters and digits that need special handli...
How to understand Locality Sensitive Hashing?
...t in understanding the hashing for cosine similarity.
I borrow two slides from Benjamin Van Durme & Ashwin Lall, ACL2010 and try to explain the intuitions of LSH Families for Cosine Distance a bit.
In the figure, there are two circles w/ red and yellow colored, representing two two-dimension...
Where can I find Android source code online? [closed]
... One can indeed get individual packages by pulling their git repositories from a currently active URL. However, this is mostly useful for study - even things that seem like they should be SDK-based ordinary applications typically have dependencies elsewhere in AOSP and so will not build via the SD...
Is div inside list allowed? [duplicate]
...gt;
Thus div, p etc. can be inside li (according to XHTML 1.0 Strict DTD from w3.org).
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How can I redirect the output of the “time” command?
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If you don't want to mix output from time and the command.
With GNU time, you can use -o file like:
/usr/bin/time -o tim grep -e k /tmp 1>out 2>err
while tim is output of time, out and err are stdout and stderr from grep.
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