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How to remove leading zeros from alphanumeric text?
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Regex is the best tool for the job; what it should be depends on the problem specification. The following removes leading zeroes, but leaves one if necessary (i.e. it wouldn't just turn "0" to a blank string).
s.replaceFirst("^0+(?!$)", "")
The ^...
Are PHP Variables passed by value or by reference?
Are PHP variables passed by value or by reference?
14 Answers
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Maximum call stack size exceeded error
...g a Direct Web Remoting (DWR) JavaScript library file and am getting an error only in Safari (desktop and iPad)
31 Answers
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SQL: capitalize first letter only [duplicate]
I need an SQL statement to capitalize the first letter of each word. The other characters have to be lower case.
4 Answers
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String difference in Bash
...ference between two strings in my script. I could easily do this with diff or comm, but I'm not dealing with files and I'd prefer not to output them to files, do the compare and read it back.
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Generating Random Passwords
When a user on our site loses his password and heads off to the Lost Password page we need to give him a new temporary password. I don't really mind how random this is, or if it matches all the "needed" strong password rules, all I want to do is give them a password that they can change later.
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How do I get the find command to print out the file size with the file name?
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find . -name '*.ear' -exec ls -lh {} \;
just the h extra from jer.drab.org's reply. saves time converting to MB mentally ;)
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Determining if a number is either a multiple of ten or within a particular set of ranges
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For the first one, to check if a number is a multiple of use:
if (num % 10 == 0) // It's divisible by 10
For the second one:
if(((num - 1) / 10) % 2 == 1 && num <= 100)
But that's rather dense, and you might b...
opengl: glFlush() vs. glFinish()
...program waits here until every last pixel is drawn and OpenGL has nothing more to do. If you render directly to the front buffer, glFinish is the call to make before using the operating system calls to take screenshots. It is far less useful for double buffering, because you don't see the changes yo...
What's the difference between ASCII and Unicode?
...e numbers 0–127 have the same meaning in ASCII as they have in Unicode. For example, the number 65 means "Latin capital 'A'".
Because Unicode characters don't generally fit into one 8-bit byte, there are numerous ways of storing Unicode characters in byte sequences, such as UTF-32 and UTF-8.
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