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No increment operator (++) in Ruby? [duplicate]
...increment/decrement operator. For instance, x++ or x-- will fail to parse. More importantly, ++x or --x will do nothing! In fact, they behave as multiple unary prefix operators: -x == ---x == -----x == ...... To increment a number, simply write x += 1.
Taken from "Things That Newcomers to Ruby Sho...
What are the undocumented features and limitations of the Windows FINDSTR command?
... /? , or HELP FINDSTR , but it is woefully inadequate. There is a wee bit more documentation online at https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/findstr .
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What's the difference between %s and %d in Python string formatting?
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This deseeves more upvote. It explains what would happen if %s is used for a number instead.
– Vikas Prasad
Sep 1 '18 at 13:41
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What are the differences between utf8_general_ci and utf8_unicode_ci? [duplicate]
...ecause it does not understand Unicode casing. Unicode casing alone is much more complicated than an ASCII-minded approach can handle. For example:
The lowercase of “ẞ” is “ß”, but the uppercase of “ß” is “SS”.
There are two lowercase Greek sigmas, but only one uppercase one; c...
How can I programmatically get the MAC address of an iphone
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Make xargs execute the command once for each line of input
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Remove a file from a Git repository without deleting it from the local filesystem
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What would cause an algorithm to have O(log log n) complexity?
...hose buckets. If at any point in the algorithm a bucket is found that has more than √N points in it, the algorithm recursively processes that bucket. The maximum depth of the recursion is therefore O(log log n), and using an analysis of the recursion tree it can be shown that each layer in the t...
How to get a microtime in Node.js?
...seconds and therefore its much higher, also this doesn't mean it has to be more exact.
PS.: Just to be clearer, process.hrtime() returns you a tuple Array containing the current high-resolution real time in a [seconds, nanoseconds]
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