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How to check for an active Internet connection on iOS or macOS?
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This used to be the correct answer, but it is now outdated as you should subscribe to notifica...
Why does C++ not have reflection?
...ctives are to understand the language design decision and to identify the possibilities of reflection in C++.
14 Answers
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Unable to open project… cannot be opened because the project file cannot be parsed
...t;< .mine , ============ and >>>>>>>>>> .r123. These are generally conflicts that arise when you take update from SVN.
Delete these and save file.
Now, you'll be able to open project without any error message.
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Deleting rows with MySQL LEFT JOIN
...e`
INNER JOIN `job` ON `deadline`.`job_id` = `job`.`id`
WHERE `job`.`id` = 123
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jQuery: what is the best way to restrict “number”-only input for textboxes? (allow decimal points)
...TheVillageIdiotTheVillageIdiot
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How to open files relative to home directory
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Not sure if this was available before Ruby 1.9.3 but I find that the most elegant solution is ...
How can I get a precise time, for example in milliseconds in Objective-C?
...is answer was written in 2009. See Pavel Alexeev's answer for the simpler POSIX clock_gettime() interfaces available in newer versions of macOS and iOS.)
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Why use pip over easy_install? [closed]
...are out of date for 2015 (although the initially accepted one from Daniel Roseman is not). Here's the current state of things:
Binary packages are now distributed as wheels (.whl files)—not just on PyPI, but in third-party repositories like Christoph Gohlke's Extension Packages for Windows. pip ...
What is the difference between Cloud, Grid and Cluster? [closed]
...s to say that a cluster is tightly coupled, whereas a Grid or a cloud is loosely coupled. Also, clusters are made up of machines with similar hardware, whereas clouds and grids are made up of machines with possibly very different hardware configurations.
To know more about cloud computing, I recomm...
MySQL connection not working: 2002 No such file or directory
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"The hostname localhost has a special meaning. It is bound to the use of Unix domain sockets. It is not possible to open a TCP/IP connection using the hostname localhost you must use 127.0.0.1 instead." - php.net/manual/en/mysqli.q...