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How to delete the last n commits on Github and locally?
I'm trying to delete the last 2 commits from one of my GitHub repositories. I've tried as suggested here : git push -f origin HEAD^^:master . It seems that it works, as the last two commits are removed.
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Equation (expression) parser with precedence?
I've developed an equation parser using a simple stack algorithm that will handle binary (+, -, |, &, *, /, etc) operators, unary (!) operators, and parenthesis.
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Fast way to discover the row count of a table in PostgreSQL
I need to know the number of rows in a table to calculate a percentage. If the total count is greater than some predefined constant, I will use the constant value. Otherwise, I will use the actual number of rows.
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Python csv string to array
Anyone know of a simple library or function to parse a csv encoded string and turn it into an array or dictionary?
10 Answe...
Is SHA-1 secure for password storage?
Conclusion: SHA-1 is as safe as anything against preimage attacks, however it is easy to compute, which means it is easier to mount a bruteforce or dictionary attack. (The same is true for successors like SHA-256.) Depending on the circumstances, a hash function which was designed to be computation...
How many levels of pointers can we have?
How many pointers ( * ) are allowed in a single variable?
14 Answers
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Simplest way to detect a mobile device in PHP
What is the simplest way to tell if a user is using a mobile device to browse my site using PHP?
15 Answers
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PHP code to convert a MySQL query to CSV [closed]
What is the most efficient way to convert a MySQL query to CSV in PHP please?
6 Answers
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php Replacing multiple spaces with a single space [duplicate]
I'm trying to replace multiple spaces with a single space. When I use ereg_replace , I get an error about it being deprecated.
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What are the most common font-sizes for H1-H6 tags [closed]
I've always been unsure of where to start as a general best practice baseline. Yes, I know it depends on your design, but what's most common?
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