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Can I replace groups in Java regex?
... output = m.replaceFirst("number $3$1"); // number 46
}
Consider (\D+) for the second group instead of (.*). * is a greedy matcher, and will at first consume the last digit. The matcher will then have to backtrack when it realizes the final (\d) has nothing to match, before it can match to the f...
Postgresql: password authentication failed for user “postgres”
...lled PostgreSQL 8.4, Postgres client and Pgadmin 3. Authentication failed for user "postgres" for both console client and Pgadmin. I have typed user as "postgres" and password "postgres", because it worked before. But now authentication is failed. I did it before a couple of times without this probl...
How to make an introduction page with Doxygen
I made documentation for my SDK, using Doxygen. It contains the list of files, namespaces, classes, types etc. - everything that I placed as Doxygen comments in the code. Now I want to write some general information about SDK (kind of introduction), which is not related directly to any code element....
Convert interface{} to int
I'm trying to get a value from a JSON and cast it to int but it doesn't work, and I don't know how to do it properly.
10 An...
How to scale down a range of numbers with a known min and max value
... a range of numbers and scale the values down to fit a range. The reason for wanting to do this is that I am trying to draw ellipses in a java swing jpanel. I want the height and width of each ellipse to be in a range of say 1-30. I have methods that find the minimum and maximum values from my da...
Convert a PHP object to an associative array
I'm integrating an API to my website which works with data stored in objects while my code is written using arrays.
32 Answ...
Can I force a page break in HTML printing?
I'm making a HTML report that is going to be printable, and it has "sections" that should start in a new page.
10 Answers
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How to uncommit my last commit in Git [duplicate]
... to undo the act of committing and everything you'd staged, but leave the work tree (your files intact):
git reset HEAD^
And if you actually want to completely undo it, throwing away all uncommitted changes, resetting everything to the previous commit (as the original question asked):
git reset ...
What killed my process and why?
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If the user or sysadmin did not kill the program the kernel may have. The kernel would only kill a process under exceptional circumstances such as extreme resource starvation (think mem+swap exhaustion).
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Best practice to mark deprecated code in Ruby?
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For almost all cases, depending on a library or metaprogramming for a deprecation is overkill. Just add a comment to the rdoc and call the Kernel#warn method. For example:
class Foo
# <b>DEPRECATED:</b> Please...