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How to solve “Fatal error: Class 'MySQLi' not found”?

... Sounds like you just need to install MySQLi. If you think you've done that and still have a problem, please post your operating system and anything else that might help diagnose it further. ...
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What are good alternatives to SQL (the language)? [closed]

I occasionally hear things about how SQL sucks and it's not a good language, but I never really hear much about alternatives to it. So, are other good languages that serve the same purpose (database access) and what makes them better than SQL? Are there any good databases that use this alternative l...
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How to prevent a background process from being stopped after closing SSH client in Linux

I'm working on a Linux machine through SSH (Putty). I need to leave a process running during the night, so I thought I could do that by starting the process in background (with an ampersand at the end of the command) and redirecting stdout to a file. ...
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What is thread safe or non-thread safe in PHP?

I saw different binaries for PHP, like non-thread or thread safe? 4 Answers 4 ...
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Identify user in a Bash script called by sudo

... $SUDO_USER doesn't work if you are using sudo su -. It also requires multiple checks - if $USER == 'root' then get $SUDO_USER. Instead of the command whoami use who am i. This runs the who command filtered for the current session. It gives you ...
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.NET Configuration (app.config/web.config/settings.settings)

...the application level. (More info on configuration levels.) These are the kinds of configuration elements that I typically store at the machine level: Application settings Connection strings retail=true Smtp settings Health monitoring Hosting environment Machine key When each environment (devel...
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Good scalaz introduction [closed]

Recently scalaz caught my eye. It looks very interesting, but I have not found any good introduction to the library. Seems that scalaz incorporates a lot of ideas from haskell and mathematics. Most articles that I found assume that you already feel comfortable with these concepts. ...
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With Mercurial, how can I “compress” a series of changesets into one before pushing?

...et's say I have a local and a remote Mercurial repository. Now, I start working on a feature. I work on it, and when I think it's done, I commit the changeset. Testing it a bit more, I find that I could further improve this feature by tweaking something in the code. I make the change and commit. 20 ...
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How to supply value to an annotation from a Constant java

I am thinking this may not be possible in Java because annotation and its parameters are resolved at compile time. I have an interface as follows, ...
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What is the purpose of a plus symbol before a variable?

this really sounds like a simple question but I had no luck searching. what does the +d in 3 Answers ...