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In Vim, how do I apply a macro to a set of lines?
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What is the difference between up-casting and down-casting with respect to class variable
What is the difference between up-casting and down-casting with respect to class variable?
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Qt events and signal/slots
... the user focus the button and change the number by pressing the "up" and "down" keyboard keys. Otherwise the button should function like a normal QPushButton (it can be clicked, etc). In Qt this is done by creating your own little reusable "component" (subclass of QPushButton), which reimplements Q...
How do I convert an interval into a number of hours with postgres?
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How to customize a Spinner in Android
I want to add a custom height to the dropdown of a Spinner , say 30dp, and I want to hide the dividers of the dropdown list of Spinner .
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Where is the list of predefined Maven properties
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Do you mean this one?
https://web.archive.org/web/20150520200505/https://docs.codehaus.org/display/MAVENUSER/MavenPropertiesGuide
I also moved its content to a GitHub repo:
https://github.com/cko/predefined_maven_properties/blob/master/README.md...
What is Castle Windsor, and why should I care?
...mmend this book enough. The book's name is: "Dependency Injection in .Net" https://www.manning.com/books/dependency-injection-in-dot-net
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Why is it faster to check if dictionary contains the key, rather than catch the exception in case it
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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 Reload ReCaptcha using JavaScript?
...on 2.0.
You can use grecaptcha.reset(); to reset the captcha.
Source : https://developers.google.com/recaptcha/docs/verify#api-request
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