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Find and replace with sed in directory and sub directories
I run this command to find and replace all occurrences of 'apple' with 'orange' in all files in root of my site:
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Convert seconds to Hour:Minute:Second
I need to convert seconds to "Hour:Minute:Second".
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How do I concatenate two strings in C?
How do I add two strings?
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What is the best way to test for an empty string in Go?
Which method is best (more idomatic) for testing non-empty strings (in Go)?
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Is null check needed before calling instanceof?
Will null instanceof SomeClass return false or throw a NullPointerException ?
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Using str_replace so that it only acts on the first match?
I want a version of str_replace() that only replaces the first occurrence of $search in the $subject . Is there an easy solution to this, or do I need a hacky solution?
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Python - Check If Word Is In A String
...king with Python v2, and I'm trying to find out if you can tell if a word is in a string.
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How to use php serialize() and unserialize()
My problem is very basic.
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How can I get a count of the total number of digits in a number?
How can I get a count of the total number of digits of a number in C#? For example, the number 887979789 has 9 digits.
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How to check if a file is empty in Bash?
I have a file called diff.txt. Want to check if it is empty. Did something like this but couldn't get it working.
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