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How to generate and validate a software license key?
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Caveat: you can't prevent users from pirating, but only make it easier for honest users to do the right thing.
Assuming you don't want to do a special build for each user, then:
Generate yourself a secret key for the product
Take the user's name
Concaten...
Wireshark localhost traffic capture [closed]
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I haven't actually tried this, but this answer from the web sounds promising:
Wireshark can't actually capture local packets on windows XP due to
the nature of the windows TCP stack. When packets are sent and
received on the same machine they don't seem to cross t...
How do you prevent install of “devDependencies” NPM modules for Node.js (package.json)?
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Oh my god. I totally had NODE_ENV=production from something else I was doing and could not figure out for the life of me why npm install wouldn't install dependencies. Thanks for the thorough answer.
– aendrew
May 5 '15 at 23:29
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Can you explain the HttpURLConnection connection process?
...// instantiate OutputStreamWriter using the output stream, returned
// from getOutputStream, that writes to this connection.
// 2. This is the point where you'll know if the connection was
// successfully established. If an I/O error occurs while creating
// the output stream, you'll...
Why is std::map implemented as a red-black tree?
...Black trees are used in most collection libraries, including the offerings from Java and Microsoft .NET Framework.
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How to access SOAP services from iPhone
...on and parsing) to deal with the occasional need to do SOAP style requests from Objective-C. That said, there's a library available called SOAPClient (soapclient) that is open source (BSD licensed) and available on Google Code (mac-soapclient) that might be of interest.
I won't attest to it's abili...
Using multiple arguments for string formatting in Python (e.g., '%s … %s')
...o seperate the arguments so that they are two different %s. My mind coming from Java came up with this:
8 Answers
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Can you “ignore” a file in Perforce?
...4V IDE to sync up any files that I have been working on while disconnected from the P4 depot. It launches another window that performs a 'Folder Diff'.
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How to git log from all branches for the author at once?
...r command is right, since you use the --all switch which gives all commits from all branches. To answer the question in your comment, it works also in bare repositories.
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What is the pythonic way to detect the last element in a 'for' loop?
...cess_line(line)
# No way of telling if this is the last line!
Apart from that, I don't think there is a generally superior solution as it depends on what you are trying to do. For example, if you are building a string from a list, it's naturally better to use str.join() than using a for loop ...