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In Firebase, is there a way to get the number of children of a node without loading all the node dat
...items, like in this code tracking upvodes:
var upvotesRef = new Firebase('https://docs-examples.firebaseio.com/android/saving-data/fireblog/posts/-JRHTHaIs-jNPLXOQivY/upvotes');
upvotesRef.transaction(function (current_value) {
return (current_value || 0) + 1;
});
For more info, see https://www...
How to define Gradle's home in IDEA?
...sk configuration" OR (C) "local gradle distribution" defined by jetbrains: https://www.jetbrains.com/help/idea/gradle-settings.html
A. Default Wrapper (recommended)
If you are able, select this recommended option. If it is grayed out, see option C, which should then set your default for all su...
Turn off Chrome/Safari spell checking by HTML/css
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Properly escape a double quote in CSV
...is field \n".
You can use below online tool to escape "" and , operators.
https://www.freeformatter.com/csv-escape.html#ad-output
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__init__ for unittest.TestCase
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How to correctly use “section” tag in HTML5?
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What's the difference of $host and $http_host in Nginx
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Pure virtual destructor in C++
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How to add an Access-Control-Allow-Origin header
...rackspace-cloud-control-panel" --header "X-Auth-User: your-cloud-username" https://auth.api.rackspacecloud.com/v1.0
From the results returned, extract the values for X-Auth-Token and X-Storage-Url
curl -X POST \
-H "Content-Type: font/woff" \
--header "X-Auth-Token: returned-x-auth-token" ret...
How to align a div to the top of its parent but keeping its inline-block behaviour?
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