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What does a lazy val do?
...d as well as value of last 'x' is taken into consideration but not the old one.
Hope this helps.
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TINYTEXT, TEXT, MEDIUMTEXT, and LONGTEXT maximum storage sizes
...t 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 your tinytext is, you are adding unnecessary overheads, that too for a max size of 255 bytes. it is clear that varchar shoul...
How do you use script variables in psql?
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One final word on PSQL variables:
They don't expand if you enclose them in single quotes in the SQL statement.
Thus this doesn't work:
SELECT * FROM foo WHERE bar = ':myvariable'
To expand to a string literal in a SQL st...
Hide keyboard when scroll UITableView
... I freaking totaly missed this as an update, I am was still using old-fashioned way with protocol that scrollview did scroll.... Thanks my man!
– Tomas Sykora
Nov 23 '15 at 21:45
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How to avoid “ConcurrentModificationException” while removing elements from `ArrayList` while iterat
...eed to remove index 7 at the same time). It gives me a ConcurrentModificationException whenever I try through .remove(index).
– user1433479
Jan 12 '15 at 21:40
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Is there any way to prevent input type=“number” getting negative values?
...gative values into the input field. I will look for another solution. This one doesn't work completely for me.
– Ankit Vij
Aug 2 '18 at 12:05
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iPhone Navigation Bar Title text color
...itleTextAttributes excepts a dictionary with a predefined set of keys mentioned in 'Keys for Text Attributes Dictionaries' mentioned under 'NSString UIKit Additions Reference'. How does it take the key you mentioned.
– AceN
Apr 1 '15 at 19:00
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Sort a single String in Java
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In Java 8 it can be done with:
String s = "edcba".chars()
.sorted()
.collect(StringBuilder::new, StringBuilder::appendCodePoint, StringBuilder::append)
.toString();
A slightly shorter alternative that works with a Stream of Strings...
What is the best way to uninstall gems from a rails3 project?
... no gems will be installed at a global level and therefore when you remove one from your project's Gemfile and rerun bundle then it, obviously, won't be loaded in your project. Then, you can run bundle clean (with the project dir) and it will remove from the system all those gems that were once inst...
Usages of Null / Nothing / Unit in Scala
I've just read: http://oldfashionedsoftware.com/2008/08/20/a-post-about-nothing/
8 Answers
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