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Best practice to run Linux service as a different user

... my RHEL box. If I recall correctly, the same is true for other Linux distros which use the init scripts in /etc/init.d . ...
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How to mark-up phone numbers?

...e Skype Echo / Sound Test Service, the link would be <a href="skype:echo123?call">Call the Skype Echo / Sound Test Service</a> from msdn.microsoft.com/en-us/library/office/… – OzBob Apr 2 '15 at 4:11 ...
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regex to match a single character that is anything but a space

... 123 \s matches any white-space character \S matches any non-white-space character You can match a...
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Couldn't register with the bootstrap Server

... caches and targets, and doing a clean build. I'm running XCode 3.5.4 and iOS 4.2.1 Hope this helps someone. -Mike UPDATE: Same problem running Xcode 4.3 and iOS5 - just power-cycle the device. share | ...
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What's the difference between isset() and array_key_exists()? [duplicate]

... 123 Between array_key_exists and isset, though both are very fast [O(1)], isset is significantly f...
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How to convert an int to string in C?

...o a string. Here is an example: int num = 321; char snum[5]; // convert 123 to string [buf] itoa(num, snum, 10); // print our string printf("%s\n", snum); If you want to output your structure into a file there is no need to convert any value beforehand. You can just use the printf format spe...
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Using CSS :before and :after pseudo-elements with inline CSS?

... 123 You can't specify inline styles for pseudo-elements. This is because pseudo-elements, like ps...
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string.IsNullOrEmpty(string) vs. string.IsNullOrWhiteSpace(string)

...String = ""; string whitespaceString = " "; string nonEmptyString = "abc123"; bool result; result = String.IsNullOrEmpty(nullString); // true result = String.IsNullOrEmpty(emptyString); // true result = String.IsNullOrEmpty(whitespaceString); // false result = String.I...
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Why does the C preprocessor interpret the word “linux” as the constant “1”?

...le names like unix and assumed that programmers would simply avoid using those names for their own purposes. The 1989 ANSI C standard introduced rules restricting what symbols an implementation could legally predefine. A macro predefined by the compiler could only have a name starting with two unde...
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Getting MAC Address

I need a cross platform method of determining the MAC address of a computer at run time. For windows the 'wmi' module can be used and the only method under Linux I could find was to run ifconfig and run a regex across its output. I don't like using a package that only works on one OS, and parsing ...