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When is CRC more appropriate to use than MD5/SHA1?
When is it appropriate to use CRC for error detection versus more modern hashing functions such as MD5 or SHA1? Is the former easier to implement on embedded hardware?
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Android: How to turn screen on and off programmatically?
Before marking this post as a "duplicate", I am writing this post because no other post holds the solution to the problem.
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How to erase the file contents of text file in Python?
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edited Jun 28 '18 at 20:38
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Node.js and CPU intensive requests
I've started tinkering with Node.js HTTP server and really like to write server side Javascript but something is keeping me from starting to use Node.js for my web application.
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iPhone app signing: A valid signing identity matching this profile could not be found in your keycha
...ted provisioning profile all seems to work as expected, so problem is definitely solved :)
Update: you may have to contact Apple to get a "Renew"-button, or they removed it -- and the solution is to just download it and add it to the keychain, no need to renew.
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“The breakpoint will not currently be hit. The source code is different from the original version.”
When debugging in Visual Studio, sometimes I add a breakpoint but it's hollow and VS says "The breakpoint will not currently be hit. The source code is different from the original version." Obviously this prevents me from being able to debug.
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How to add a local repo and treat it as a remote repo
I'm trying to make a local repo act as a remote with the name bak for another local repo on my PC, using the following:
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Catch all JavaScript errors and send them to server
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I recently tested Sentry on production and it works fine (JS and other languages like PHP)
1- It's open source (You can install it on your own server)
2- You can use the free plan (100 reports / day)
Or install it on your server: github.com/getsentry
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What does Docker add to lxc-tools (the userspace LXC tools)?
...e Docker FAQ:
Docker is not a replacement for lxc. "lxc" refers to capabilities of the linux kernel (specifically namespaces and control groups) which allow sandboxing processes from one another, and controlling their resource allocations.
On top of this low-level foundation of kernel features, Do...
What does immutable mean?
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It means that once you instantiate the object, you can't change its properties. In your first alert you aren't changing foo. You're creating a new string. This is why in your second alert it will show "foo" instead of oo.
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