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Create module variables in Ruby
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+1 Actually, I have been thinking that the term 'class variable' is misleading. Classes are special cases of modules, and class variables are definable on modules. They should be called module variables.
– sawa...
How to show SQL queries run in the Rails console?
... Perfect, just what I needed. Have any recommendation where to go find small tricks such as these are documented?
– randombits
May 29 '10 at 18:18
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What is the Simplest Way to Reverse an ArrayList?
...e other elements down the array, so the array stays a constant size essentially. Interesting solutions, thanks!
– Tony Chan
Nov 7 '14 at 3:01
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Force Git to always choose the newer version during a merge?
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This solution helped me to fix unmerged conflicts when all I wanted was to override with master branch. i used git reset --hard master (from local)
– Juan Mendez
Nov 28 '15 at 4:12
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In CoffeeScript how do you append a value to an Array?
...re correct, it does replace it, not append. The point is, however, that usually when you are pushing, you are often doing something quite like an array comprehension anyway. Not in all cases, admittedly, but a lot of the time.
– suranyami
Feb 26 '12 at 8:32
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How to change an element's title attribute using jQuery
...p('title');
Check out the prop() API documentation for jQuery.
If you really don't want to use properties, or you're using a version of jQuery prior to v1.6, then you should read on:
Get or Set an element's title attribute with jQuery (versions <1.6)
You can change the title attribute with t...
What is the difference between Flex/Lex and Yacc/Bison?
...itimate copies of (the original, AT&T versions of) Lex and Yacc to install on Ubuntu. I wouldn't necessarily say it is impossible, but I'm not aware of such. Flex and Bison are readily available and are equivalent for most purposes. You may also find various alternative and approximately equi...
Adding and removing style attribute from div with jquery
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You could do any of the following
Set each style property individually:
$("#voltaic_holder").css("position", "relative");
Set multiple style properties at once:
$("#voltaic_holder").css({"position":"relative", "top":"-75px"});
Remove a specific style:
$("#voltaic_holder").css({"top":...
What is the difference between Amazon S3 and Amazon EC2 instance?
...s like a remote computer running Windows or Linux and on which you can install whatever software you want, including a Web server running PHP code and a database server.
Amazon S3 is just a storage service, typically used to store large binary files. Amazon also has other storage and database servi...
Spring Boot - Cannot determine embedded database driver class for database type NONE
...h the spring.datasource prefix. Take a look at DataSourceProperties to see all of the properties that you can set.
You'll need to provide the appropriate url and driver class name:
spring.datasource.url = …
spring.datasource.driver-class-name = …
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