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How to alias a table in Laravel Eloquent queries (or using Query Builder)?
...hip). Now if you're using Query Builder with an Eloquent model (i.e. join) then you can use aliases on all joined tables, but the model table.
– peterm
Apr 21 '15 at 15:17
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Apache Spark: The number of cores vs. the number of executors
...O throughput. So if I'm not using HDFS at all, in that case can I use more then 5 cores per executor?
– Darshan
Jun 26 '19 at 7:35
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Determine which MySQL configuration file is being used
...
If you are on Linux, then start the 'mysqld' with strace, for eg strace ./mysqld.
Among all the other system calls, you will find something like:
stat64("/etc/my.cnf", 0xbfa3d7fc) = -1 ENOENT (No such file or directory)
stat64("/etc/mysq...
Unexpected value from nativeGetEnabledTags: 0
... click on the Edit selected logcat filter (If Saved Filters is not visible then click on Display Saved Filters View in the Logcat)
There, in the by Log Message field, enter ^(?!.*(nativeGetEnabledTags)).*$.
share
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Unable to create Android Virtual Device
...-bundle-windows-x86_64-20131030\sdk\system-images\android-17.
If it exists then move the contents(downloaded system images) of the "default" folder to
adt-bundle-windows-x86_64-20131030\sdk\system-images\android-17.
Hope this helps.
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Custom events in jQuery?
...re classed simply with “subscriber” and “networkDetection”. We can then publish events only to these elements (of which there is only one in the demo) by triggering a notify event on $(“.subscriber.networkDetection”)
The #notifier div which is part of the .subscriber.networkDetection gr...
What are file descriptors, explained in simple terms?
...mation about that opened file. So if there are 100 files opened in your OS then there will be 100 entries in OS (somewhere in kernel). These entries are represented by integers like (...100, 101, 102....). This entry number is the file descriptor.
So it is just an integer number that uniquely repres...
How to “undelete” a deleted folder in Subversion / TortoiseSVN?
...he top-right corner) to show to a revision there your folder still exists, then right-click that folder and select "Copy to..." and enter the path there you want the folder to be re-created (probably the same path that is already in the text box).
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annotation to make a private method public only for test classes [duplicate]
...hod protected or package-private" like you suggested, I made it public and then used @VisibleForTesting. The docs state this annotation will automatically set the visibility to private by default for production builds, so I'm not sure using anything less than public is necessary. This I believe is m...
Is there an equivalent to background-size: cover and contain for image elements?
...If the object's aspect ratio
does not match the aspect ratio of its box, then the object will be
clipped to fit.
Also, see this Codepen demo which compares object-fit: cover applied to an image with background-size: cover applied to a background image
Solution #2 - Replace the img with a b...