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Random record in ActiveRecord
...he first, all after are still sorted by id). If you need multiple randomly selected records you must use this approach multiple times or use the random order method provided by your database, i.e. Thing.order("RANDOM()").limit(100) for 100 randomly selected entries. (Be aware that it's RANDOM() in P...
Opening a folder in explorer and selecting a file
I'm trying to open a folder in explorer with a file selected.
11 Answers
11
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How to do what head, tail, more, less, sed do in Powershell? [closed]
...option for reading a text file. You can then filter further:
gc log.txt | select -first 10 # head
gc -TotalCount 10 log.txt # also head
gc log.txt | select -last 10 # tail
gc -Tail 10 log.txt # also tail (since PSv3), also much faster than above option
gc log.txt | more #...
Difference between onCreateView and onViewCreated in Fragment
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Where was that text quoted from? I couldn't find it in the official documentation.
– Daniel
Jun 1 '17 at 20:06
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Is there a “previous sibling” selector?
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No, there is no "previous sibling" selector.
On a related note, ~ is for general successor sibling (meaning the element comes after this one, but not necessarily immediately after) and is a CSS3 selector. + is for next sibling and is CSS2.1.
See Adjacent sib...
iPhone: How to get current milliseconds?
...s since epoch as a double. I'm almost sure you can access the milliseconds from the fractional part.
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How to do a regular expression replace in MySQL?
...ositions and perform substring substitution and extraction, respectively.
SELECT REGEXP_REPLACE('Stackoverflow','[A-Zf]','-',1,0,'c');
-- Output:
-tackover-low
DBFiddle Demo
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Laravel blank white screen
...rate application key with the following command in terminal/command-prompt from Laravel root:
php artisan key:generate
This will generate the encryption key and update the value of APP_KEY in .env file
This should solve the problem.
If the problem still exists, then update config/app.php ...
jQuery Datepicker onchange event issue
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You can use the datepicker's onSelect event.
$(".date").datepicker({
onSelect: function(dateText) {
console.log("Selected date: " + dateText + "; input's current value: " + this.value);
}
});
Live example:
$(".date")
.datepicker({
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Using openssl to get the certificate from a server
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Alternative useful script, from madboa.com: echo | openssl s_client -connect server:port 2>&1 | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > cert.pem
– rmeakins
Aug 5 '13 at 5:44
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