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Is there a Unix utility to prepend timestamps to stdin?
...his in Python, but I was wondering if there was a utility you could feed text into which would prepend each line with some text -- in my specific case, a timestamp. Ideally, the use would be something like:
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how to show lines in common (reverse diff)?
I have a series of text files for which I'd like to know the lines in common rather than the lines which are different between them. Command line unix or windows is fine.
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Why aren't variable-length arrays part of the C++ standard?
...ast few years. When I read this question today I came across some C syntax which I wasn't familiar with.
12 Answers
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How do I set the time zone of MySQL?
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It will return 02:00:00 if your timezone is +2:00.
To get the current UNIX timestamp:
SELECT UNIX_TIMESTAMP();
SELECT UNIX_TIMESTAMP(NOW());
To get the timestamp column as a UNIX timestamp
SELECT UNIX_TIMESTAMP(`timestamp`) FROM `table_name`
To get a UTC datetime column as a UNIX timestamp
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Interfacing with structs and anonymous unions with c2hs
...ent {
monome_t *monome;
monome_event_type_t event_type;
/* __extension__ for anonymous unions in gcc */
__extension__ union {
struct me_grid {
unsigned int x;
unsigned int y;
} grid;
struct me_encoder {
unsigned int number...
Twitter image encoding challenge [closed]
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Alright, here's mine: nanocrunch.cpp and the CMakeLists.txt file to build it using CMake. It relies on the Magick++ ImageMagick API for most of its image handling. It also requires the GMP library for bignum arithmetic for its string encoding.
I based my solution off of fractal ...
Match everything except for specified strings
I know that the following regex will match "red", "green", or "blue".
7 Answers
7
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What is a regular expression for a MAC Address?
... 802) format for
printing MAC-48 addresses in
human-friendly form is six groups of
two hexadecimal digits, separated by
hyphens - or colons :.
So:
^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$
share
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What's the difference between faking, mocking, and stubbing?
...t'.
Mocks are what we are talking about here: objects pre-programmed with expectations which form a specification of the calls they are expected to receive.
From xunitpattern:
Fake: We acquire or build a very lightweight implementation of the same functionality as provided by a component that the SU...
How to find NSDocumentDirectory in Swift?
...the compiler thinks NSSearchPathDirectory:0 is an array, and of course it expects the type NSSearchPathDirectory instead. Certainly not a helpful error message.
But as to the reasons:
First, you are confusing the argument names and types. Take a look at the function definition:
func NSSearchPathF...