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What are the differences between “=” and “
... The operator <- can be used anywhere,
whereas the operator = is only allowed at the top level (e.g.,
in the complete expression typed at the command prompt) or as one
of the subexpressions in a braced list of expressions.
Let’s not put too fine a point on it: the R documentation is (su...
Modify request parameter with servlet filter
...t that.
One solution is to use the HttpServletRequestWrapper class, which allows you to wrap one request with another. You can subclass that, and override the getParameter method to return your sanitized value. You can then pass that wrapped request to chain.doFilter instead of the original request...
“R cannot be resolved to a variable”? [duplicate]
...nd, huh? :) If you can't get R.java to build in the first place, it's usually a typo or other problem in an XML layout file. Using a capital letter in your XML filenames will also cause that problem. If R.java does exist but variables in it aren't recognized by just one Java file, for instance, ...
How to generate gcc debug symbol outside the build target?
...R=Joe Developer joe.developer@somewhere.com
VCS: COMMIT_DATE=2013-12-19
All that is left is to check-out the original code, re-compile without optimizations, and start debugging.
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im...
Is it better to reuse a StringBuilder in a loop?
...refully in a while (45 mins). Note that doing concatenation in the append calls reduces the point of using StringBuilder in the first place somewhat :)
– Jon Skeet
Oct 28 '08 at 7:26
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What are some popular naming conventions for Unit Tests? [closed]
... for the name, rather than searching the name and then filter out test manually by eyes. It's a small distinction, but it's much easier to "test [class name]" and have only one pop up and reduce mental load
– THIS USER NEEDS HELP
Jan 31 '19 at 18:49
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Running a Python script from PHP
...e if PHP script runs in browser or curl)
and/or must be "executable". Also all commands into .py file must have correct privileges:
Taken from php manual:
Just a quick reminder for those trying to use shell_exec on a
unix-type platform and can't seem to get it to work. PHP executes as
the w...
How to get a Fragment to remove itself, i.e. its equivalent of finish()?
...C D) which chain onto one another, D has a button 'OK' which when pressed calls finish which then bubbles up through onActivityResult() to additionally destroy C and B.
...
How to send email attachments?
...
best answer for me but there is a small error: replace import pathlibwith from pathlib import Path
– AleAve81
Apr 29 at 20:38
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UPDATE multiple tables in MySQL using LEFT JOIN
I have two tables, and want to update fields in T1 for all rows in a LEFT JOIN.
5 Answers
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