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How do I reword the very first git commit message?
...it rev-list --reverse master |head -n1)' &&
echo "Nice message" || cat' master
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String.Join method that ignores empty strings?
The VB.NET method String.Join(separator, stringArray) is similar to PHP's implode, but any null elements in the array are replaced with an empty string, so thatc:
...
How to generate a core dump in Linux on a segmentation fault?
...here the core dumps are generated, run:
sysctl kernel.core_pattern
or:
cat /proc/sys/kernel/core_pattern
where %e is the process name and %t the system time. You can change it in /etc/sysctl.conf and reloading by sysctl -p.
If the core files are not generated (test it by: sleep 10 & and k...
How does the algorithm to color the song list in iTunes 11 work? [closed]
...hm to get the dominant color in the two lateral borders of a picture using PHP and Imagick.
https://gist.github.com/philix/5688064#file-simpleimage-php-L81
It's being used to fill the background of cover photos in http://festea.com.br
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Does the ternary operator exist in R?
...gth(x) ? (x*2) : 0
x <- numeric(0)
length(x) ? (x*2) : 0
for(i in 1:5) cat(i, (i %% 2) ? "Odd\n" : "Even\n")
... But you need to put the expressions in parentheses because the default precedence isn't like in C.
Just remember to restore the old help function when you're done playing:
rm(`?`)...
How to get a time zone from a location using latitude and longitude coordinates?
...-lookup-oss - JavaScript library
GeoTimeZone - .NET library
Geo-Timezone - PHP library
timezonefinder - Python library
ZoneDetect - C library
Timeshape - Java library
TimeZoneMap - Java and Android library
lutz - R library
go-tz - Go library
Timezone lookup - Go library
docker-timezone-lookup - doc...
When to encode space to plus (+) or %20?
...ponent() does in JavaScript. Unfortunately it's not what urlencode does in PHP (rawurlencode is safer).
See Also
HTML 4.01 Specification application/x-www-form-urlencoded
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HTML input - name vs. id [duplicate]
... & checkboxes
Can not be referenced in URL, although as JavaScript and PHP can see the URL there are workarounds
Is referenced in JS with getElementsByName()
Shares the same namespace as the id attribute
Must begin with a letter
According to specs is case sensitive, but most modern browsers don'...
What is the advantage of using abstract classes instead of traits?
...do not contain any implementation code"
– Walrus the Cat
Sep 2 '15 at 0:17
2
abstract - when coll...
How to find duplicates in 2 columns not 1
...e of
their InnoDB fast index creation feature [http://bugs.mysql.com/bug.php?id=40344]. In this case
first run set session old_alter_table=1 and then the above command
will work fine
Update - ALTER IGNORE Removed In 5.7
From the docs
As of MySQL 5.6.17, the IGNORE clause is deprecated ...