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What does a lazy val do?
... when it is not sure if it is later used.
scala> class X { val x = { Thread.sleep(2000); 15 } }
defined class X
scala> class Y { lazy val y = { Thread.sleep(2000); 13 } }
defined class Y
scala> new X
res5: X = X@262505b7 // we have to wait two seconds to the result
scala> new Y
res6:...
TINYTEXT, TEXT, MEDIUMTEXT, and LONGTEXT maximum storage sizes
...
@vlasits read the included SO post for details. (1) all text types, including tinytext are stored as objects outside the row which is one overhead (2) These objects are then referenced by addresses 8 or 16 bytes. so no matter how tiny...
Installing a dependency with Bower from URL and specify version
...semenov/PhotoSwipe.git#v3.0.x",
#bower 1.4 (tested with that version) can read repositorios with uri format
"photo-swipe": "git://github.com/dimsemenov/PhotoSwipe.git#v3.0.x",
}
}
Just remember bower also searches for released versions and tags so you can point to almost everythin...
How do I override nested NPM dependency versions?
...ht click on 'npm-shrinkwrap.json' file
Properties
Under Attributes select 'Read-Only'.
This will prevent npm to modify the mpn-shrinkwrap.json file.
The other proposed solutions are good enough if you are making the 'npm install' operation just once.
But after the first 'npm install' the file 'np...
Unable to find specific subclass of NSManagedObject
...n
for the current Xcode 7 final version.
I did both my own "research" and read all the answers to both this question and the similar question
CoreData: warning: Unable to load class named. So attribution goes to all of them, even if I don't
list them specifically!
Previous answer for Xcode 6:
...
How do you debug MySQL stored procedures?
...essage Text' AS `Title`;
I got this idea from
http://forums.mysql.com/read.php?99,78155,78225#msg-78225
Also somebody created a template for custom debug procedures on GitHub.
See here
http://www.bluegecko.net/mysql/debugging-stored-procedures/
https://github.com/CaptTofu/Stored-procedure-de...
Creating temporary files in Android
...t somewhere so you can use it whenever you wanted for example to delete or read the file. Therefore for this reason I prefer the 2nd option as the filename you specify is the filename that is created.
share
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Best way to create unique token in Rails?
...
Yeah, this is at least easy to read and understand. 40 characters is good in some situations (like beta invites) and this is working well for me so far.
– Nate Bird
Jan 3 '12 at 21:20
...
Where can I set environment variables that crontab will use?
... my environment - you can pretend it is the same as $HOME.)
So, this code reads the appropriate environment and then executes the non-Cron version of the command from my home directory. So, for example, my 'weekday' command looks like:
: "@(#)$Id: weekday.sh,v 1.10 2007/09/17 02:42:03 jleff...
Detect If Browser Tab Has Focus
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@vsync - read the linked article, you'll see it uses both 'onfocusin' and 'onfocus'.
– Fenton
May 11 '14 at 9:02
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