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Favourite performance tuning tricks [closed]

...s give to someone asking me about optimisation. We mainly use Sybase, but most of the advice will apply across the board. SQL Server, for example, comes with a host of performance monitoring / tuning bits, but if you don't have anything like that (and maybe even if you do) then I would consider t...
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How do I put an already-running process under nohup?

...er with the jobs command) so that the job isn't killed when the terminal closes. share | improve this answer | follow | ...
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HTTPS and SSL3_GET_SERVER_CERTIFICATE:certificate verify failed, CA is OK

...d how to fix it without editing the library code. – Josnidhin Jun 19 '11 at 15:51 41 Then turn of...
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Is there an S3 policy for limiting access to only see/access one bucket?

..., "Condition": {} } ] } The actions regarding a bucket and those regarding objects must have different arn. share | improve this answer | follow ...
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Why does “pip install” inside Python raise a SyntaxError?

...first platform supporting python, linux was, and there python is a part of OS. – Zydnar Apr 7 '17 at 16:21 1 ...
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How to check command line parameter in “.bat” file?

My OS is Windows Vista. I need to have a ".bat" file where I need to check if user enters any command-line parameter or not. If does then if the parameter equals to -b then I will do something otherwise I will flag "Invalid input". If user does not enter any command-line parameter then I will d...
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Can I get a list of files marked --assume-unchanged?

... My OS apparently has a weird collation setup, so Matt's command didn't work for me. Here's what I added under the [alias] section of my .gitconfig: ignored = !git ls-files -v | grep "^[[:lower:]]" – Abe Vo...
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Can a shell script set environment variables of the calling shell? [duplicate]

...r shell process terminates any changes you've made to its environment are lost. Sourcing a script file is the most commonly used method for configuring a shell environment, you may just want to bite the bullet and maintain one for each of the two flavors of shell. ...
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How to determine the content size of a UIWebView?

... Not sure what your problem is. Perhaps you can post a new question with some code or description? – Ortwin Gentz Dec 11 '10 at 23:52 ...
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static linking only some libraries

...applies the same way to static and dynamic linking – osvein Jun 29 '19 at 8:05 ...