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Check if an apt-get package is installed and then install it if it's not on Linux
...e, the removal of old and the installation of new packages).
See also:
https://askubuntu.com/questions/165951/dpkg-get-selections-shows-packages-marked-deinstall
https://askubuntu.com/questions/423355/how-do-i-check-if-a-package-is-installed-on-my-server
Tested on Ubuntu 19.10.
Python apt pac...
Should struct definitions go in .h or .c file?
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List all svn:externals recursively?
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Android - Dynamically Add Views into View
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Are there any SHA-256 javascript implementations that are generally considered trustworthy?
...
On https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto/digest I found this snippet that uses internal js module:
async function sha256(message) {
// encode as UTF-8
const msgBuffer = new TextEncoder('utf-8').e...
Understanding garbage collection in .NET
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using facebook sdk in Android studio
...g the latest, all you need to do is this:
Download the Facebook SDK from https://developers.facebook.com/docs/android/
Unzip the archive
In Android Studio 0.5.5 or later, choose "Import Module" from the File menu.
In the wizard, set the source path of the module to import as the "facebook" directo...
Linux, Why can't I write even though I have group permissions?
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How to position a DIV in a specific coordinates?
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How to include (source) R script in other scripts
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