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Intersection of two lists in Bash

... comm requires the inputs to be sorted. In this case, ls automatically sorts its output, but other uses may need to do this: comm -12 <(some-command | sort) <(some-other-command | sort) – Alexander Bird Jan 15 '15 at 21:11 ...
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How to combine two strings together in PHP?

...atenate two strings together. Use the concatenation operator . (and .=) In PHP . is the concatenation operator which returns the concatenation of its right and left arguments $data1 = "the color is"; $data2 = "red"; $result = $data1 . ' ' . $data2; If you want to append a string to another string ...
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How can I put strings in an array, split by new line?

...ength=8) Note that you have to use a double-quoted string, so \n is actually interpreted as a line-break. (See that manual page for more details.) share | improve this answer | ...
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Google Authenticator available as a public service?

...unts. The actual process is straightforward. The one time code is, essentially, a pseudo random number generator. A random number generator is a formula that once given a seed, or starting number, continues to create a stream of random numbers. Given a seed, while the numbers may be random to each ...
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get all keys set in memcached

How can I get all the keys set in my memcached instance(s)? 6 Answers 6 ...
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How to get time difference in minutes in PHP

How to calculate minute difference between two date-times in PHP? 16 Answers 16 ...
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How can one check to see if a remote file exists using PHP?

...t I could find, an if fclose fopen type thing, makes the page load really slowly. 22 Answers ...
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Display an array in a readable/hierarchical format

... to get the data as string. Now you can return '<pre>'.print_r(User::all(), true); from your routes file. – DutGRIFF Nov 5 '14 at 19:43 ...
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phpcms后台表单多选统计不准确的解决方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术

phpcms后台表单多选统计不准确的解决方法这是由于逻辑有误导致,原逻辑为值与选项值相等才统计一次,但针对多选肯定就不适用了,比如选项1,选项2算两项而不是判断失败不统计。正确...这是由于逻辑有误导致,原逻辑为值与...
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Add … if string is too long PHP [duplicate]

... The PHP way of doing this is simple: $out = strlen($in) > 50 ? substr($in,0,50)."..." : $in; But you can achieve a much nicer effect with this CSS: .ellipsis { overflow: hidden; white-space: nowrap; text-overfl...