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psql: could not connect to server: No such file or directory (Mac OS X)
...master has exited.).
SOLUTION: This fixed the issue--I deleted this file, and then everything worked!
/usr/local/var/postgres/postmaster.pid
--
and here is how I figured out why this needed to be deleted.
I used the following command to see if there were any PG processes running. for me ther...
How do I hide .class files from the Open Resource dialog in Eclipse?
...to have edit any working sets. I just want a way to, across all workspaces and projects, prevent .class files from ever showing in the Open Resource Dialog. Is there a way to do this?
...
abort, terminate or exit?
What's the difference between those three, and how shall I end program in case of exception which I can't handle properly?
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Can we make unsigned byte in Java
...igned byte in unsigned. The problem is the data I am receiving is unsigned and Java does not support unsigned byte, so when it reads the data it treats it as signed.
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Benefits of prototypal inheritance over classical?
So I finally stopped dragging my feet all these years and decided to learn JavaScript "properly". One of the most head-scratching elements of the languages design is it's implementation of inheritance. Having experience in Ruby, I was really happy to see closures and dynamic typing; but for the li...
String literals and escape characters in postgresql
...s such:
insert into EscapeTest (text) values (E'This is the first part \n And this is the second');
This suppressed the warning, but the text was still not being returned correctly. When I added the additional slash as Michael suggested, it worked.
As such:
insert into EscapeTest (text) values ...
Allow User to input HTML in ASP.NET MVC - ValidateInput or AllowHtml
.../de-de/magazine/hh708755.aspx) says, that you shouldn't use ValidateInpute and take AllowHtmlAttribute instead. (Did'nt found the English version)
– Alexander Schmidt
Feb 2 '12 at 11:26
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CATALINA_OPTS vs JAVA_OPTS - What is the difference?
... find out the difference between Apache Tomcat variables - CATALINA_OPTS and JAVA_OPTS in SO and surprised to see that there is no question/answer posted here yet. So I thought of sharing it here (with answer) after finding out the difference. Check the answer/difference below.
...
Why does [5,6,8,7][1,2] = 8 in JavaScript?
...e second [...] cannot be an array, so it’s an array subscript operation. And the contents of a subscript operation are not a delimited list of operands, but a single expression.
Read more about the comma operator here.
sh...
node.js hash string?
...n satisfactory. Compatibility with the npm ecosystem
is a high priority, and will not be broken unless absolutely necessary.
So, it should be considered safe to use the native implementation, without external dependencies.
For reference, the modules mentioned bellow were suggested as alternativ...