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How to generate and validate a software license key?

...eveloping a product (developed in C#) that'll be available for downloading and installing for free but in a very limited version. To get access to all the features the user has to pay a license fee and receive a key. That key will then be entered into the application to "unlock" the full version. ...
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Browser doesn't scale below 400px?

I'm working on putting together a liquid style-sheet and it works wonderful. One thing that I've noticed is that my browser window in Chrome won't resize below 400px it just gets stuck there and in FF as I scale down it it just stops at around 400px and then pops a horizontal scroll bar. ...
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What is reflection and why is it useful?

What is reflection, and why is it useful? 21 Answers 21 ...
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DateTime2 vs DateTime in SQL Server

...datetime2. Here is their recommendation: Use the time, date, datetime2 and datetimeoffset data types for new work. These types align with the SQL Standard. They are more portable. time, datetime2 and datetimeoffset provide more seconds precision. datetimeoffset provides time zone s...
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Encapsulation vs Abstraction?

Here are the brief definitions of encapsulation and abstraction. 13 Answers 13 ...
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What is the most compatible way to install python modules on a Mac?

I'm starting to learn python and loving it. I work on a Mac mainly as well as Linux. I'm finding that on Linux (Ubuntu 9.04 mostly) when I install a python module using apt-get it works fine. I can import it with no trouble. ...
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When you exit a C application, is the malloc-ed memory automatically freed?

... It depends on the operating system. The majority of modern (and all major) operating systems will free memory not freed by the program when it ends. Relying on this is bad practice and it is better to free it explicitly. The issue isn't just that your code looks bad. You may decide y...
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How do I change the default location for Git Bash on Windows?

I am using Git on Windows 7 and access my repositories through Git Bash. How can I change the default location that Git Bash opens in a convenient folder when I start it? ...
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Base64 encoding and decoding in client-side Javascript

Are there any methods in JavaScript that could be used to encode and decode a string using base64 encoding? 13 Answers ...
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What's the best way to distribute Java applications? [closed]

...ons. This is fine for internal distribution inside a company. Use launch4j and an installer like NSIS. This gives you a lot more control, although the user can still do stupid stuff like un-installing the java runtime. This is probably the most popular approach, and what I currently use. Use Webstar...