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What is the difference between JVM, JDK, JRE & OpenJDK?
... compiler (javac.exe), Java application launcher (java.exe), Appletviewer, etc…
Compiler converts java code into byte code. Java application launcher opens a JRE, loads the class, and invokes its main method.
You need JDK, if at all you want to write your own programs, and to compile them. For r...
Is there an API to get bank transaction and bank balance? [closed]
...vide both authentication API for several banks and REST-based transaction fetching endpoints.
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What is LINQ and what does it do? [closed]
..., and available from any .NET language (VB.NET, C#, IronPython, COBOL .NET etc).
Ok, on to language features. I'm going to stick to C#, since that's what I know best. VB.NET also had several similar improvements (and a couple that C# didn't get - XML literals). This is a short and incomplete lis...
Does .NET provide an easy way convert bytes to KB, MB, GB, etc.?
...Places + "} bytes", 0); }
// mag is 0 for bytes, 1 for KB, 2, for MB, etc.
int mag = (int)Math.Log(value, 1024);
// 1L << (mag * 10) == 2 ^ (10 * mag)
// [i.e. the number of bytes in the unit corresponding to mag]
decimal adjustedSize = (decimal)value / (1L << (mag...
Configure apache to listen on port other than 80
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In /etc/apache2/ports.conf, change the port as
Listen 8079
Then go to /etc/apache2/sites-enabled/000-default.conf
And change the first line as
<VirtualHost *: 8079>
Now restart
sudo service apache2 restart
Apach...
Checking Bash exit status of several commands efficiently
... use extensively on my Red Hat system. They use the system functions from /etc/init.d/functions to print green [ OK ] and red [FAILED] status indicators.
You can optionally set the $LOG_STEPS variable to a log file name if you want to log which commands fail.
Usage
step "Installing XFS filesyst...
Set environment variables on Mac OS X Lion
...someone says "edit your .plist file" or "your .profile" or ".bash_profile" etc, this just confuses me. I have no idea where these files are, how to create them if I have to do that, etc, and also why there seem to be so many different ones (why? Do they do different things?)
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Python executable not finding libpython shared library
... started). This setting will affect your user only.
Add /usr/local/lib to /etc/ld.so.conf and run ldconfig. This is a system-wide setting of course.
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How do I access the host machine from the guest machine? [closed]
...utername.local - this applies for connection to file sharing, web sharing, etc
– Johnus
Dec 24 '10 at 0:57
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How to start nginx via different port(other than 80)
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You have to go to the /etc/nginx/sites-enabled/ and if this is the default configuration, then there should be a file by name: default.
Edit that file by defining your desired port; in the snippet below, we are serving the Nginx instance on port 8...