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Is SHA-1 secure for password storage?

...t to 160 or 128 bits (to save on storage cost). Some of the SHA-3 round-2 candidates appear to be faster than SHA-1 while being arguably "more secure"; yet they are still a bit new, so sticking to SHA-256 or SHA-512 would be a safer route right now. It would make you look professional and cautious, ...
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Is there a code obfuscator for PHP? [closed]

...HP? I've tried some but they don't work for very big projects. They can't handle variables that are included in one file and used in another, for instance. ...
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Can I store the .git folder outside the files I want tracked?

...e git as a backup system. So let's say I have a directory ./backup/myfiles and I want to back that up using git. To keep things clean I don't want to have a .git directory in the myfiles folder, so I thought I could create ./backup/git_repos/myfiles. From looking at the git docs, I've tried doing th...
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How do I return multiple values from a function in C?

If I have a function that produces a result int and a result string , how do I return them both from a function? 8 Answe...
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How to remove leading and trailing zeros in a string? Python

... What about a basic your_string.strip("0") to remove both trailing and leading zeros ? If you're only interested in removing trailing zeros, use .rstrip instead (and .lstrip for only the leading ones). [More info in the doc.] You could use some list comprehension to get the sequences you w...
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How to fully delete a git repository created with init?

I created a git repository with git init . I'd like to delete it entirely and init a new one. 13 Answers ...
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Count work days between two dates

... @greektreat It works fine. It's just that both @StartDate and @EndDate are included in the count. If you want Monday to Tuesday to count as 1 day, just remove the "+ 1" after the first DATEDIFF. Then you'll also get Fri->Sat=0, Fri->Sun=0, Fri->Mon=1. –...
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Understanding MongoDB BSON Document size limit

...r to 20k) So except for truly bizarre situations, it'll work great. And in the exception case or spam, I really don't think you'd want a 20mb object anyway. I think capping trackbacks as 15k or so makes a lot of sense no matter what for performance. Or at least special casing if i...
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How do I avoid capturing self in blocks when implementing an API?

I have a working app and I'm working on converting it to ARC in Xcode 4.2. One of the pre-check warnings involves capturing self strongly in a block leading to a retain cycle. I've made a simple code sample to illustrate the issue. I believe I understand what this means but I'm not sure the "corre...
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favicon.png vs favicon.ico - why should I use PNG instead of ICO?

... Answer replaced (and turned Community Wiki) due to numerous updates and notes from various others in this thread: ICOs and PNGs both allow full alpha channel based transparency ICO allows for backwards compatibility to older browsers (e.g. ...