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What must I know to use GNU Screen properly? [closed]
...those sorta familiar with screen, but who tend to not remember things they read in the man page:
To change the name of a screen window is very easy: ctrl+A shift+A.
Did you miss the last message from screen? ctrl+a ctrl+m will show it again for you.
If you want to run something (like tailing a fi...
Is there a way to get a collection of all the Models in your Rails app?
...anyone stumbles on this one, I've got another solution, not relying on dir reading or extending the Class class...
ActiveRecord::Base.send :subclasses
This will return an array of classes. So you can then do
ActiveRecord::Base.send(:subclasses).map(&:name)
...
Is Chrome's JavaScript console lazy about evaluating arrays?
...ore, the array (or any object), will not be evaluated until the console is ready. It really is a case of lazy evaluation.
However, there is a simple way to avoid this in your code:
var s = ["hi"];
console.log(s.toString());
s[0] = "bye";
console.log(s.toString());
By calling toString, you creat...
Disabling Chrome cache for website development
... Reload or Empty Cache and Hard Reload which should have a similar effect. Read about the difference between the options. The following shortcuts are available:
Command+Option+R on Mac
Control+Shift+R on Windows or Linux
...
Can't start Eclipse - Java was started but returned exit code=13
...asically you have to specify the -vm option in the ini file - make sure to read the wiki page carefully as the format is very specific.
Specifying the JVM path in eclipse.ini is strongly recommended because doing so isolates Eclipse from any potential changes to your system PATH that some program i...
Should C# methods that *can* be static be static? [closed]
...
I think it would make it a bit more readable if you marked it as static...Then someone who comes along would know that it doesn't reference any instance variables without having to read the entire function...
...
Determining whether jQuery has not found any element
...potential confusion when someone unfamiliar with the nuances of Javascript reads the code. Not best practice as far as maintainability is concerned in my opinion.
– Matt Carr
Mar 10 '15 at 15:41
...
Can't start hostednetwork
...I go to settings>Network>Mobile Hotspot there is a yellow sign which reads: we can't setup mobile hotspot because your pc doesn't have an Ethernet, WiFi or mobile data connection?
– Scaramouche
Mar 31 '18 at 1:06
...
Styling multi-line conditions in 'if' statements? [closed]
... is quite common in the world of node. The rationale is that we notice and read stuff on the left a lot faster than stuff on the right — at least in the western cultures. Very valid in JavaScript, where a forgotten comma can cause silent errors.
– tomekwi
Oct...
How to quit android application programmatically
...e, use
finish();
As a reaction to @dave appleton's comment: First thing read the big question/answer combo @gabriel posted: Is quitting an application frowned upon?
Now assuming we have that, the question here still has an answer, being that the code you need if you are doing anything with quitt...