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How to write a scalable Tcp/Ip based server
I am in the design phase of writing a new Windows Service application that accepts TCP/IP connections for long running connections (i.e. this is not like HTTP where there are many short connections, but rather a client connects and stays connected for hours or days or even weeks).
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Given two directory trees, how can I find out which files differ by content?
If I want find the differences between two directory trees, I usually just execute:
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How to check null objects in jQuery
I'm using jQuery and I want to check the existence of an element in my page. I have written following code, but it's not working:
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How to filter specific apps for ACTION_SEND intent (and set a different text for each app)
How can you filter out specific apps when using the ACTION_SEND intent? This question has been asked in various ways, but I haven't been able to gather a solution based on the answers given. Hopefully someone can help. I would like to provide the ability to share within an app. Following Android ...
Javascript: How to loop through ALL DOM elements on a page?
I'm trying to loop over ALL elements on a page, so I want to check every element that exists on this page for a special class.
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How can I resize an image using Java?
I need to resize PNG, JPEG and GIF files. How can I do this using Java?
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Cannot set content-type to 'application/json' in jQuery.ajax
When I have this code
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How to initialise memory with new operator in C++?
I'm just beginning to get into C++ and I want to pick up some good habits. If I have just allocated an array of type int with the new operator, how can I initialise them all to 0 without looping through them all myself? Should I just use memset ? Is there a “C++” way to do it?
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Installing multiple instances of the same windows service on a server
So we've produced a windows service to feed data to our client application and everything is going great. The client has come up with a fun configuration request that requires two instances of this service running on the same server and configured to point at separate databases.
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Correct way to convert size in bytes to KB, MB, GB in JavaScript
I got this code to covert size in bytes via PHP.
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