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How many random elements before MD5 produces collisions?
I've got an image library on Amazon S3. For each image, I md5 the source URL on my server plus a timestamp to get a unique filename. Since S3 can't have subdirectories, I need to store all of these images in a single flat folder.
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Concatenating two std::vectors
How do I concatenate two std::vector s?
25 Answers
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Easy way to turn JavaScript array into comma-separated list?
I have a one-dimensional array of strings in JavaScript that I'd like to turn into a comma-separated list. Is there a simple way in garden-variety JavaScript (or jQuery) to turn that into a comma-separated list? (I know how to iterate through the array and build the string myself by concatenation if...
Can you use a trailing comma in a JSON object?
When manually generating a JSON object or array, it's often easier to leave a trailing comma on the last item in the object or array. For example, code to output from an array of strings might look like (in a C++ like pseudocode):
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WARNING: UNPROTECTED PRIVATE KEY FILE! when trying to SSH into Amazon EC2 Instance
I'm working to set up Panda on an Amazon EC2 instance.
I set up my account and tools last night and had no problem using SSH to interact with my own personal instance, but right now I'm not being allowed permission into Panda's EC2 instance.
Getting Started with Panda
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Encrypt and decrypt a string in C#?
How can I encrypt and decrypt a string in C#?
29 Answers
29
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What's the best manner of implementing a social activity stream? [closed]
I'm interested in hearing your opinions in which is the best way of implementing a social activity stream (Facebook is the most famous example). Problems/challenges involved are:
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How to make MySQL handle UTF-8 properly
One of the responses to a question I asked yesterday suggested that I should make sure my database can handle UTF-8 characters correctly. How I can do this with MySQL?
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What does the caret (‘^’) mean in C++/CLI?
I just came across this code and a few Google searches turn up no explanation of this mysterious (to me) syntax.
7 Answers
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How to use HttpWebRequest (.NET) asynchronously?
How can I use HttpWebRequest (.NET, C#) asynchronously?
8 Answers
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