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How to use WeakReference in Java and Android development?
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Using a WeakReference in Android isn't any different than using one in plain old Java. Here is a great guide which gives a detailed explanation: Understanding Weak References.
You should think about using one whenever you need a reference to an obj...
How do I return rows with a specific value first?
...turn the rows of the table where a column contains a specific value first, and then return the rest of the rows alphabetized.
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How do I get IntelliJ IDEA to display directories?
I've been trying out IntelliJ IDEA for JavaScript editing, and I like it so far, but I'm having a small problem with a new project.
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How to create a temporary directory?
I use to create a tempfile , delete it and recreate it as a directory:
4 Answers
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Face recognition Library [closed]
...acial Recognition SDK. This is a company founded by a University Professor and as such their website looks unprofessional. There's no pricing information or demo that you can download. You'll need to contact them for pricing information.
NeuroTechnology - Information on their Facial Recognition SDK....
Remove duplicated rows
...the fourth column no longer 'distinguishes' them,
# so they're duplicates and thrown out.
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Why does Maven have such a bad rep? [closed]
...Maven is bad. I have been using some features of Maven for a few years now and the most important benefit in my view is the dependency management.
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Pass props to parent component in React.js
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Edit: see the end examples for ES6 updated examples.
This answer simply handle the case of direct parent-child relationship. When parent and child have potentially a lot of intermediaries, check this answer.
Other solutions are missing the point
While they still work fine, other answers are miss...
How do I put a bunch of uncommitted changes aside while working on something else
If I have a bunch of uncommitted changes and want to set it aside while working on something else instead, and then later (f.i. after several days) come back to it and proceed working. What would be the easiest workflow to accomplish this? (So far I have only experience with Mercurial's basic functi...
Better way of getting time in milliseconds in javascript?
...sking this because I am trying to make a simple game engine in JavaScript, and when calculating the "delta frame time", I have to create a new Date object every frame. While I am not too worried about the performance implications of this, I am having some problems with the reliability of the exact t...