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postgresql port confusion 5433 or 5432?
...an see what is actually running using the netstat tool (available on OS X, Windows, and Linux, with command line syntax varying across all three).
This is further complicated on Mac OS X systems by the horrible mess of different PostgreSQL packages - Apple's ancient version of PostgreSQL built in t...
How to get Android crash logs?
...(F8) a few times for the log to print.
The crash log will be in the Logcat window at the bottom- double click for fullscreen and make sure you scroll to the bottom. You'll see red text for errors, the crash trace will be something like
09-04 21:35:15.228: ERROR/AndroidRuntime(778): Uncaught handle...
How is a non-breaking space represented in a JavaScript string?
...ation about character codes for different charsets are available here:
Windows-1252 Charset
UTF-8 Charset
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rbenv not changing ruby version
... add the line to your profile so it runs each time you open a new terminal window:
$ echo 'eval "$(rbenv init -)"' >> ~/.bash_profile
There are other ways to modify the path, feel free to substitute any of them instead of running the rbenv init.
NOTE: reinstall Rails with:
$ gem install rails...
AWS Difference between a snapshot and AMI
...e created from existing snapshots of the root device for Linux but not for Windows.
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Check if an image is loaded (no errors) with jQuery
.../questions/26927575/why-use-imagesloaded-javascript-library-versus-jquerys-window-load
imagesloaded javascript library: what is the browser & device support?
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Which is faster : if (bool) or if(int)?
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With GCC 4.5 on Linux and Windows at least, sizeof(bool) == 1. On x86 and x86_64, you can't pass in less than an general purpose register's worth to a function (whether via the stack or a register depending on the calling convention etc...).
So the c...
What is the difference between HTTP_HOST and SERVER_NAME in PHP?
...couple of years ago, I blew some dust from my current XAMPP environment on Windows XP (Apache HTTPD 2.2.1 with PHP 5.2.8), started it, created a PHP page which prints the both values, created a Java test application using URLConnection to modify the Host header and tests taught me that this is indee...
How to pass the -D System properties while testing on Eclipse?
I am developing on Eclipse on Windows and Code gets deployed on Unix. I am fetching the system property values using System.getProperty("key") ... How do I pass this in Eclipse so that I do not have to modify the code and it works on Eclipse for debugging?
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What is the pythonic way to detect the last element in a 'for' loop?
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You can use a sliding window over the input data to get a peek at the next value and use a sentinel to detect the last value. This works on any iterable, so you don't need to know the length beforehand. The pairwise implementation is from itertool...