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Do declared properties require a corresponding instance variable?
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In your interface, you can formally declare an instance variable between the braces, or via @property outside the braces, or both. Either way, they become attributes of the class. The difference is that if you declare @property, then you can implement usin...
MySQL and GROUP_CONCAT() maximum length
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I can confirm that this parameter is absolutely NOT reboot-proof : once mysql is restarted, property is resetted to 1024, so -1 for me
– Frédéric
Sep 29 '17 at 11:31
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How do I scroll to an element using JavaScript?
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I confirm, as of Apr-16, it works under Opera and Chrome too.
– lvr123
Apr 18 '16 at 9:05
2
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Thread Safety in Python's dictionary
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How to dump a dict to a json file?
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you can supply all those parameters to dump(sample, file, ...) too. The extra step of writing to a string is not needed. dump internally writes in chunks. This could be more efficient than to compile a (possibly huge) string first.
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Use rvmrc or ruby-version file to set a project gemset with RVM?
... Current versions of RubyMine do support the .ruby-version style. Can confirm with 6.3.2
– BeepDog
May 15 '14 at 0:53
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show 3 more com...
“x not in y” or “not x in y”
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How to extract a git subdirectory and make a submodule out of it?
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Nowadays there's a much easier way to do it than manually using git filter-branch: git subtree
Installation
NOTE git-subtree is now part of git (if you install contrib) as of 1.7.11, so you might already have it installed. You may check by executing git subtree.
To install...
MySQL get the date n days ago as a timestamp
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How to manually create icns files using iconutil?
...following instructions (link):
Use iconutil to Create an icns File Manually
The iconutil command-line tool converts iconset folders to deployment-ready, high-resolution icns files. (You can find complete documentation for this tool by entering man iconutil in Terminal.) Using this tool al...