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How to determine the first and last iteration in a foreach loop?
The question is simple. I have a foreach loop in my code:
20 Answers
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How can I generate an ObjectId with mongoose?
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You can find the ObjectId constructor on require('mongoose').Types. Here is an example:
var mongoose = require('mongoose');
var id = mongoose.Types.ObjectId();
id is a newly generated ObjectId.
You can read more about the Types ob...
How to apply unmerged upstream pull requests from other forks into my fork?
...n GitHub that I have a fork of has a new pull requests that I want to pull into my fork that the author has not pulled in yet.
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How can I change the image of an ImageView? [duplicate]
I have just started learning android. And i don't know How can I change the image of an ImageView ? ie it has some Image which was set in the layout but i want to change that image through coding how should i do it ?
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How to get an element's top position relative to the browser's viewport?
...he position of an element relative to the browser's viewport (the viewport in which the page is displayed, not the whole page). How can this be done in JavaScript?
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How to get value of selected radio button?
...lement is a div, so it won't have a value. This is probably where the undefined is coming from.
The checked property will tell you whether the element is selected:
if (document.getElementById('r1').checked) {
rate_value = document.getElementById('r1').value;
}
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How does the “this” keyword work?
...ear explanation of what the this keyword is and how it is correctly (and incorrectly) used in JavaScript on the Stack Overflow site.
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Android: Vertical ViewPager [closed]
...Transformer to give the illusion of a vertical ViewPager. To achieve scrolling with a vertical instead of a horizontal drag you will have to override ViewPager's default touch events and swap the coordinates of MotionEvents prior to handling them, e.g.:
/**
* Uses a combination of a PageTransforme...
PHP method chaining?
I am using PHP 5 and I've heard of a new featured in the object-oriented approach, called 'method chaining'. What is it exactly? How do I implement it?
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SVN+SSH, not having to do ssh-add every time? (Mac OS)
...pretty Unix-dumb and probably wouldn't recognize the solution if it hit me in the face.
7 Answers
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