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What does auto&& tell us?
...gt; you are saying: I will accept any initializer regardless of whether it is an lvalue or rvalue expression and I will preserve its constness. This is typically used for forwarding (usually with T&&). The reason this works is because a "universal reference", auto&& or T&&, w...
Design RESTful query API with a long list of query parameters [closed]
...turns a set of objects based on a few filters. The usual HTTP method for this is GET. The only problem is, it can have at least a dozen filters, and if we pass all of them as query parameters, the URL can get quite long (long enough to be blocked by some firewall).
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Can I see changes before I save my file in Vim?
...tp://vim.wikia.com/wiki/Diff_current_buffer_and_the_original_file
Here is a function and command to see a diff between the currently edited file and its unmodified version in the filesystem. Just put this in your vimrc or in the plugin directory, open a file, make some modifications without savi...
Why is this program valid? I was trying to create a syntax error
...managed to do such a bad commit.) So as a test program I randomly jotted this:
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How can I pretty-print JSON in a shell script?
Is there a (Unix) shell script to format JSON in human-readable form?
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Automatic Retina images for web sites
With the new Apple MacBook Pro with retina display, if you provide a "standard" image on your website, it'll be a little fuzzy. So you have to provide a retina image.
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How can you tell when a layout has been drawn?
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You can add a tree observer to the layout. This should return the correct width and height. onCreate() is called before the layout of the child views are done. So the width and height is not calculated yet. To get the height and width, put this on the onCreate() method:...
Where can I find my .emacs file for Emacs running on Windows?
...o be called .emacs.d/init.el. Many of the other files that are created by Lisp packages are now stored in the .emacs.d directory too, so this keeps all your Emacs related files in one place.
All the files mentioned above should go in your HOME directory. The HOME directory is determined by followin...
Comments in Android Layout xml
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As other said, the comment in XML are like this
<!-- this is a comment -->
Notice that they can span on multiple lines
<!--
This is a comment
on multiple lines
-->
But they cannot be nested
<!-- This <!-- is a comment --> This is not ...
C# DateTime.Now precision
...or a longer-than-expected interval of time, rather than capturing more precise millisecond increments.
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