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Sockets: Discover port availability using Java

...ecking the DatagramSocket as well to check if the port is avaliable in UDP and TCP. Hope this helps. share | improve this answer | follow | ...
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One line ftp server in python

Is it possible to have a one line command in python to do a simple ftp server? I'd like to be able to do this as quick and temporary way to transfer files to a linux box without having to install a ftp server. Preferably a way using built in python libraries so there's nothing extra to install. ...
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Using Regular Expressions to Extract a Value in Java

...blic static void main(String[] args) { // create matcher for pattern p and given string Matcher m = p.matcher("Testing123Testing"); // if an occurrence if a pattern was found in a given string... if (m.find()) { // ...then you can use group() methods. System.out.prin...
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How to check if the user can go back in browser history or not

...with this is that in most browsers this is considered a security violation and usually just returns undefined. history.length Is a property that others have suggested... However, the length doesn't work completely because it doesn't indicate where in the history you are. Additionally, it doesn't...
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Google Maps: how to get country, state/province/region, city given a lat/long value?

...e. I need to store this information in a manner that hierarchy is preserve and without duplicates (e.g. "USA" and "United States" and "United States of America" are the same country; I only want one instance of this country in my database). ...
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log4net vs. Nlog

...I researched, ran through tutorials, made toy apps, etc. on Log4Net, NLog, and Enterprise Library for a few days. Came back 3-4 weeks later and put them together into a cohesive demo. Hopefully some of this is useful to you. My recommendation for our project is this: Use a logging facade (e.g. ...
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How to insert tab character when expandtab option is on in Vim

When I'm in insert mode and I have the expandtab option switched on, pressing Tab ↹ results in inserting the configured number of spaces. ...
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Concept of void pointer in C programming

... is there is any way of generalizing a function which can receive pointer and store it in void pointer and by using that void pointer we can make a generalized function.. You cannot just dereference it in a portable way, as it may not be properly aligned. It may be an issue on some architectures ...
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Gradle buildscript dependencies

...es. These are the dependencies that are put on the classpath of your build and that you can refer to from your build file. For instance extra plugins that exist on the internet. The repositories on the root level are used to fetch the dependencies that your project depends on. So all the dependenci...
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Unfortunately MyApp has stopped. How can I solve this?

I am developing an application, and everytime I run it, I get the message: 20 Answers ...