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Calculate MD5 checksum for a file

...'s fine. Personally I'd probably use SHA-256 just out of habit :) I don't know about support for CRC32 in .NET offhand, but you can probably search for it as quickly as I can :) – Jon Skeet Jul 30 '14 at 13:40 ...
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Do AJAX requests retain PHP Session info?

... (<-- see e.g. the topmost comment there) is a separate question, let's now stick to the current one, with just one side-note: the most prominent issue with URL-based sessions -- the blatant visibility of the naked session ID -- is not an issue with internal Ajax calls; but then, if it's turned o...
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How do I cast a string to integer and have 0 in case of error in the cast with PostgreSQL?

...d dirty way of handling for checking some data. I also admit that my own knowledge is lacking right now in defining functions in SQL. I was only interested in numbers between 1 and 5 digits, so I changed the regex to E'\\d{1,5}$'. – Bobort Oct 6 '16 at 14:25 ...
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How can I create a self-signed cert for localhost?

...row next to "Trust" and choose to "Always trust". Chrome and Safari should now trust this cert. For example, if you want to use this cert with node.js: var options = { key: fs.readFileSync('/path/to/localhost.key').toString(), cert: fs.readFileSync('/path/to/localhost.crt').toString(), ...
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Case insensitive string compare in LINQ-to-SQL

...e other? I thought I read somewhere that ToUpper was better, but I don't know if that applies here. (I'm doing a lot of code reviews and everyone is using ToLower.) ...
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Two way sync with rsync

I have a folder a/ and a remote folder A/. I now run something like this on a Makefile: 10 Answers ...
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Does a foreign key automatically create an index?

...en two tables - that has nothing to do with an index per se. But it is a known fact that it makes a lot of sense to index all the columns that are part of any foreign key relationship, because through a FK-relationship, you'll often need to lookup a relating table and extract certain rows based on ...
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Saving changes after table edit in SQL Server Management Studio

...le. Since SQL Server by default doesn't trust you, you need to say "OK, I know what I'm doing, now let me do my work." share | improve this answer | follow | ...
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How are people unit testing with Entity Framework 6, should you bother?

...rting out with Unit testings and TDD in general. I have dabbled before but now I am determined to add it to my workflow and write better software. ...
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Remove files from Git commit

...to leave them out from the commit: git reset HEAD path/to/unwanted_file Now commit again, you can even re-use the same commit message: git commit -c ORIG_HEAD share | improve this answer ...