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Get first n characters of a string

How can I get the first n characters of a string in PHP? What's the fastest way to trim a string to a specific number of characters, and append '...' if needed? ...
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End of support for python 2.7?

...exec): cvedetails.com/product/18230/Python-Python.html?vendor_id=10210 vs php with 408 (27% code exec): cvedetails.com/product/128/PHP-PHP.html?vendor_id=74 or Java with 438 (3% code exec): cvedetails.com/product/19117/Oracle-JRE.html?vendor_id=93 ... So by "its fair share" you must have meant a "...
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Should MySQL have its timezone set to UTC?

...negative values from FROM_UNIXTIME Sources: https://bugs.mysql.com/bug.php?id=68861 http://dev.mysql.com/doc/refman/5.0/en/date-and-time-functions.html http://dev.mysql.com/doc/refman/5.1/en/datetime.html http://en.wikipedia.org/wiki/Coordinated_Universal_Time http://shafiqissani.wordpress.com/2...
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Nginx 403 forbidden for all files

I have nginx installed with PHP-FPM on a CentOS 5 box, but am struggling to get it to serve any of my files - whether PHP or not. ...
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Broken references in Virtualenvs

... A update version @Chris Wedgwood's answer for keeping site-packages (keeping packages installed) cd ~/.virtualenv/name_of_broken_venv mv lib/python2.7/site-packages ./ rm -rf .Python bin lib include virtualenv . rm -rf lib/python2.7/site-packages mv ./site-packages lib/py...
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What is the best regular expression to check if a string is a valid URL?

...EFFFD}!\$&'\(\)\*\+,;=:@])|[\/\?])*)?)$/i How they were compiled (in PHP): <?php /* Regex convenience functions (character class, non-capturing group) */ function cc($str, $suffix = '', $negate = false) { return '[' . ($negate ? '^' : '') . $str . ']' . $suffix; } function ncg($str, $...
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Sort an Array by keys based on another Array?

Is it possible in PHP to do something like this? How would you go about writing a function? Here is an example. The order is the most important thing. ...
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MySQL: Fastest way to count number of rows

...ach time you try to count all rows. (based on primary key's column) Using PHP to count rows is not very smart, because you have to send data from mysql to php. Why do it when you can achieve the same on the mysql side? If the COUNT(*) is slow, you should run EXPLAIN on the query, and check if inde...
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Rails: How to change the title of a page?

...b): def page_title(separator = " – ") [content_for(:title), 'My Cool Site'].compact.join(separator) end def page_heading(title) content_for(:title){ title } content_tag(:h1, title) end Then in your layout view you can simply use: <title><%= page_title %></title> ......
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How do I remove packages installed with Python's easy_install?

...rm -rf the egg (it might be a directory) and remove the matching line from site-packages/easy-install.pth share | improve this answer | follow | ...