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Rails respond_with: how does it work?
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What does .SD stand for in data.table in R
... here are 16 visually distinct colors, taken from the list of 20 here:
# https://sashat.me/2017/01/11/list-of-20-simple-distinct-colors/
col16 = c('#e6194b', '#3cb44b', '#ffe119', '#0082c8', '#f58231', '#911eb4',
'#46f0f0', '#f032e6', '#d2f53c', '#fabebe', '#008080', '#e6beff',
...
How to port data-only volumes from one host to another?
...ver handles the migration process
The link to the project is given here:
https://github.com/nadgowdas/cargo
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Exporting functions from a DLL with dllexport
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What are the rules for the “…” token in the context of variadic templates?
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Alter table add multiple columns ms sql
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Creating and Update Laravel Eloquent
...re...
Digging into Eloquent’s equivalent method(s). You can see here:
https://github.com/laravel/framework/blob/4.2/src/Illuminate/Database/Eloquent/Model.php#L553
on :570 and :553
/**
* Create or update a record matching the attributes, and fill it with values.
*
* @param ...
How to tell if JRE or JDK is installed
...Machines/jdkmajor.minor.macro[_update].jdk
See the uninstall JDK part at https://docs.oracle.com/javase/8/docs/technotes/guides/install/mac_jdk.html
So if you can find such folder then the JDK is installed
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How to do a https request with bad certificate?
Say I want to get https://golang.org programatically. Currently golang.org (ssl) has a bad certificate which is issued to *.appspot.com So when I run this:
...
Verify if a point is Land or Water in Google Maps
...by adding pixels.
function isItWatter($lat,$lng) {
$GMAPStaticUrl = "https://maps.googleapis.com/maps/api/staticmap?center=".$lat.",".$lng."&size=40x40&maptype=roadmap&sensor=false&zoom=12&key=YOURAPIKEY";
//echo $GMAPStaticUrl;
$chuid = curl_init();
curl_seto...