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Function overloading by return type?
Why don't more mainstream statically typed languages support function/method overloading by return type? I can't think of any that do. It seems no less useful or reasonable than supporting overload by parameter type. How come it's so much less popular?
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How to find the size of an array in postgresql
...ing PostgreSQL 9.4 or higher, you can use cardinality:
SELECT cardinality(id) FROM example;
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How to append to New Line in Node.js
...cessInput ( text )
{
fs.open('H://log.txt', 'a', 666, function( e, id ) {
fs.write( id, text + os.EOL, null, 'utf8', function(){
fs.close(id, function(){
console.log('file is updated');
});
});
});
}
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Git undo local branch delete
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Deleted branch branch_name(was e562d13)
where e562d13 is a unique ID (a.k.a. the "SHA" or "hash"), with this you can restore the deleted branch.
To restore the branch, use:
git checkout -b <branch_name> <sha>
for example:
git checkout -b branch_name e562d13
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Refreshing OAuth token using Retrofit without modifying all calls
...great, we use the RequestInterceptor to include the access token with each call.
However there will be times, when the access token will expire, and the token needs to be refreshed. When the token expires, the next call will return with an Unauthorized HTTP code, so that's easy to monitor.
We could ...
Why does an image captured using camera intent gets rotated on some devices on Android?
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Recycle the rotated image for memory purposes.
Here is the code part:
Call the following method with the current Context and the image URI that you want to fix
/**
* This method is responsible for solving the rotation issue if exist. Also scale the images to
* 1024x1024 resolution
*
* @par...
Why not use HTTPS for everything?
... site, and protect the user entirely. It would prevent problems such as deciding what has to be secured because everything would be, and it's not really an inconvenience to the user.
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Can angularjs routes have optional parameter values?
...lar has support for this now.
From the latest (v1.2.0) docs for $routeProvider.when(path, route):
path can contain optional named groups with a question mark (:name?)
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The difference between the Runnable and Callable interfaces in Java
What is the difference between using the Runnable and Callable interfaces when designing a concurrent thread in Java, why would you choose one over the other?
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Twitter Bootstrap Form File Element Upload Button
...L
<label class="btn btn-default">
Browse <input type="file" hidden>
</label>
This works in all modern browsers, including IE9+. If you need support for old IE as well, please use the legacy approach shown below.
This techniques relies on the HTML5 hidden attribute. Bootstra...