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Is optimisation level -O3 dangerous in g++?
...ard from various sources (though mostly from a colleague of mine), that compiling with an optimisation level of -O3 in g++ is somehow 'dangerous', and should be avoided in general unless proven to be necessary.
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How to generate a random alpha-numeric string?
I've been looking for a simple Java algorithm to generate a pseudo-random alpha-numeric string. In my situation it would be used as a unique session/key identifier that would "likely" be unique over 500K+ generation (my needs don't really require anything much more sophisticated).
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How do I edit an incorrect commit message in git ( that I've pushed )?
I want to modify a commit message deeper in history and I've pushed many new commits.
7 Answers
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How to log cron jobs?
...g on each execution. Where are the log files located? Or can I send the output to my email? I have set the email address to send the log when the cron job runs but I haven't received anything yet.
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How to start nginx via different port(other than 80)
Hi I am a newbie on nginx, I tried to set it up on my server(running Ubuntu 4), which already has apache running.
5 Answer...
How to turn on/off ReactJS 'development mode'?
Started using ReactJS's prop validation feature , which as the docs say only works in 'development mode' for performance reasons.
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How can I run PowerShell with the .NET 4 runtime?
I am updating a PowerShell script that manages some .NET assemblies. The script was written for assemblies built against .NET 2 (the same version of the framework that PowerShell runs with), but now needs to work with .NET 4 assemblies as well as .NET 2 assemblies.
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Connect to a heroku database with pgadmin
I would like to manage my heroku database with pgadmin client. By now, I've been doing this with psql .
When I use data from heroku pg:credentials to connect de DB using pgadmin , I obtain:
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What is the coolest thing you can do in
I'm looking for the coolest thing you can do in a few lines of simple code. I'm sure you can write a Mandelbrot set in Haskell in 15 lines but it's difficult to follow.
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Compare if BigDecimal is greater than zero
How can I compare if BigDecimal value is greater than zero?
6 Answers
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