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MySQL InnoDB not releasing disk space after deleting data rows from table
...rt mysql, create database and users, and then import. Thank god I only had 200MB worth of rows, but it spared 250GB of innodb file.
Fail by design.
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Android: How to enable/disable option menu item on button click?
...l there.
– AgentKnopf
Jan 16 '13 at 20:43
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How does one reorder columns in a data frame?
...50)].
– dalloliogm
Feb 25 '14 at 12:20
1
to put the columns in idcols at the start: idcols <- ...
Is it a bad practice to use negative margins in Android?
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In 2010, @RomainGuy (core Android engineer) stated that negative margins had unspecified behavior.
In 2011, @RomainGuy stated that you can use negative margins on LinearLayout and RelativeLayout.
In 2016, @RomainGuy stated tha...
Make error: missing separator
...AB (U+0009)
Wrong
target:
....cmd
where each . represents a SPACE (U+0020).
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How to find and return a duplicate value in array
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Installing a local module using npm?
...ple here and here
– The Red Pea
Apr 20 '17 at 23:03
4
However keep in mind that npm link will cre...
Throwing the fattest people off of an overloaded airplane.
...se something quite like this for a recommendation engine (I select the top 200 items from a list of several million). I typically end up with only 50,000 or 70,000 items actually added to the heap.
I suspect that you'll see something quite similar: the majority of your candidates will be rejected b...
How to build for armv6 and armv7 architectures with iOS 5
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answered Sep 20 '11 at 18:46
Mark GranoffMark Granoff
16.7k22 gold badges5555 silver badges5959 bronze badges
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When do we need curly braces around shell variables?
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@karatedog ${1:-20} is a form of parameter expansion. Here it is not obvious because it mainly uses digits and arithmetic operators which trick us in thinking there is arithmetic involved, but it actually refers to the positional parameter $...