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Fastest way to check if a string is JSON in PHP?

...ially greatly speed this one up when many of incoming strings are expected to be non-JSON. – Oleg V. Volkov Sep 25 '12 at 17:03 20 ...
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How do you install an APK file in the Android emulator?

I finally managed to obfuscate my Android application, now I want to test it by installing the APK file and running it on the emulator. ...
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SSH Key - Still asking for password and passphrase

...ith Github always asking for my username and password when I clone a repository. I want to bypass this step because it is an annoyance within my workflow. ...
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Aborting a stash pop in Git

... listed as a duplicate, I already had some uncommitted changes in the directory which I wanted to keep. I don't just want to make the merge conflict disappear, but also to get my directory back to the state it was before the pop. ...
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How do I properly force a Git push?

I've set up a remote non-bare "main" repo and cloned it to my computer. I made some local changes, updated my local repository, and pushed the changes back to my remote repo. Things were fine up to that point. ...
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How to set environment variable for everyone under my linux system?

...etc/profile which others have mentioned, some Linux systems now use a directory /etc/profile.d/; any .sh files in there will be sourced by /etc/profile. It's slightly neater to keep your custom environment stuff in these files than to just edit /etc/profile. ...
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How to set up tmux so that it starts up with specified windows opened?

How to set up tmux so that it starts up with specified windows opened? 20 Answers 20 ...
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Unzip a file with php

I want to unzip a file and this works fine 12 Answers 12 ...
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how to calculate binary search complexity

I heard somebody say that since binary search halves the input required to search hence it is log(n) algorithm. Since I am not from a mathematics background I am not able to relate to it. Can somebody explain it in a little more detail? does it have to do something with the logarithmic series? ...
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AES vs Blowfish for file encryption

I want to encrypt a binary file. My goal is that to prevent anyone to read the file who doesn't have the password. 7 Answer...