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Programmatically access currency exchange rates [closed]
...up an online ordering system but I'm in Australia and for international customers I'd like to show prices in US dollars or Euros so they don't have to make the mental effort to convert from Australian dollars.
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Error 1046 No database Selected, how to resolve?
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You need to tell MySQL which database to use:
USE database_name;
before you create a table.
In case the database does not exist, you need to create it as:
CREATE DATABASE database_name;
followed by:
USE database_name;
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Main differences between SOAP and RESTful web services in Java [duplicate]
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REST is almost always going to be faster. The main advantage of SOAP is that it provides a mechanism for services to describe themselves to clients, and to advertise their existence.
REST is much more lightweight and can be implemented using almost ...
Multiple glibc libraries on a single host
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It is very possible to have multiple versions of glibc on the same system (we do that every day).
However, you need to know that glibc consists of many pieces (200+ shared libraries) which all must match. One of the pieces is ld-linux.so.2, and...
How to make an Android device vibrate?
I wrote an Android application. Now, I want to make the device vibrate when a certain action occurs. How can I do this?
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Benchmarking (python vs. c++ using BLAS) and (numpy)
I would like to write a program that makes extensive use of BLAS and LAPACK linear algebra functionalities. Since performance is an issue I did some benchmarking and would like know, if the approach I took is legitimate.
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Nodejs Event Loop
...ave been personally reading the source code of node.js & v8.
I went into a similar problem like you when I tried to understand node.js architecture in order to write native modules.
What I am posting here is my understanding of node.js and this might be a bit off track as well.
Libev is the ...
pass post data with window.location.href
When using window.location.href, I'd like to pass POST data to the new page I'm opening. is this possible using JavaScript and jQuery?
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What does `kill -0 $pid` in a shell script do?
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sending the signal 0 to a given PID just checks if any process with the given PID is running and you have the permission to send a signal to it.
For more information see the following manpages:
kill(1)
$ man 1 kill
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If sig is 0, then no sig...
Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
...ave taken Problem #12 from Project Euler as a programming exercise and to compare my (surely not optimal) implementations in C, Python, Erlang and Haskell. In order to get some higher execution times, I search for the first triangle number with more than 1000 divisors instead of 500 as stated in...