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How to make connection to Postgres via Node.js
... find myself trying to create a postgres database, so I installed postgres and started a server with initdb /usr/local/pgsql/data , then I started that instance with postgres -D /usr/local/pgsql/data now how can I interact with this through node? For example, what would the connectionstring be,...
How to implement a Map with multiple keys? [duplicate]
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Two maps. One Map<K1, V> and one Map<K2, V>. If you must have a single interface, write a wrapper class that implements said methods.
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Using HTML5/JavaScript to generate and save a file
...it's pretty slow (Collada is a very verbose format), so I'm going to start converting files to a easier to use format (probably JSON). I already have the code to parse the file in JavaScript, so I may as well use it as my exporter too! The problem is saving.
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Will Emacs make me a better programmer? [closed]
... started with vi (ca. 1987) on a machine with a very slow text terminal, I converted to (GNU) Emacs after a few years (on a faster machine), and used it almost exclusively for nearly 10 years.
Emacs was the first truly integrated development environment - the whole edit/link/compile cycle could be ...
Finding child element of parent pure javascript
... parent
2. get the parent nodename by using parent.nodeName.toLowerCase() convert the nodename to lower case e.g DIV will be div
3. for further specific purpose, get an attribute of the parent e.g parent.getAttribute("id"). this will give you id of the parent
4. Then use document.QuerySelectorAll...
NUnit vs. Visual Studio 2008's test projects for unit testing [closed]
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The unit-testing framework doesn't actually matter much, because you can convert test classes with separate project files and conditional compilation (like this, Visual Studio → NUnit):
#if !NUNIT
using Microsoft.VisualStudio.TestTools.UnitTesting;
#else
using NUnit.Framework;
using Te...
How do you cast a List of supertypes to a List of subtypes?
... methods.
Filtering the list based on the type
A more type-safe way of converting from a List<Supertype> to a List<Subtype> is to actually filter the list, and create a new list that contains only elements that have certain type. There are some degrees of freedom for the implementat...
How to delete duplicate lines in a file without sorting it in Unix?
... last line if the file has an even number of lines.
To convert scripts which used the former behavior of N (deleting
the pattern space upon reaching the EOF) to scripts compatible with
all versions of sed, change a lone "N;" to "$d;N;".
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PHP code to remove everything but numbers
...9]/', '', '604-619-5135');
preg_replace uses PCREs which generally start and end with a /.
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How do I iterate through each element in an n-dimensional matrix in MATLAB?
... ind2sub in the loop
for ii=1:nel
[ szargs{:} ] = ind2sub( sz, ii ); % Convert linear index back to subscripts
if all( [szargs{2:end}] == szargs{1} ) % On the diagonal?
d( ii ) = 1;
end
end
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