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How to detect when an Android app goes to the background and come back to the foreground
...Android: Solution to detect when an Android app goes to the background and come back to the foreground without getRunningTasks or getRunningAppProcesses.
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How to check if an appSettings key exists?
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Token Authentication vs. Cookies
...l web app is mostly stateless, because of its request/response nature. The HTTP protocol is the best example of a stateless protocol. But since most web apps need state, in order to hold the state between server and client, cookies are used such that the server can send a cookie in every response ba...
What character encoding should I use for a HTTP header?
I'm using a "fun" HTML special-character (✰)(see http://html5boilerplate.com/ for more info) for a Server HTTP-header and am wondering if it is "allowed" per spec.
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Using a bitmask in C#
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How to add texture to fill colors in ggplot2
..."OrRd")
in this case OrRd is a palette found on the colorbrewer webpage: http://colorbrewer2.org/
Photocopy Friendly: This indicates
that a given color scheme will
withstand black and white
photocopying. Diverging schemes can
not be photocopied successfully.
Differences in lightnes...
How do you do a simple “chmod +x” from within python?
I want to create a file from within a python script that is executable.
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Is there a list of screen resolutions for all Android based phones and tablets? [closed]
...nd resolutions, including new device types such as wearables and laptops:
https://design.google.com/devices/
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HTTP status code for update and delete?
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For a PUT request: HTTP 200 or HTTP 204 should imply "resource updated successfully".
For a DELETE request: HTTP 200 or HTTP 204 should imply "resource deleted successfully". HTTP 202 can also be returned which would imply that the instruction...
Which $_SERVER variables are safe?
... from and hence whether it can be trusted for a certain purpose. $_SERVER['HTTP_FOOBAR'] for example is entirely safe to store in a database, but I most certainly wouldn't eval it.
As such, let's divide those values into three categories:
Server controlled
These variables are set by the server en...