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Groovy: what's the purpose of “def” in “def x = 0”?
...ngs:
def y = 2
assert y == 2
try {
this.binding.getVariable("y")
} m>ca m>tch (groovy.lang.MissingPropertyException e) {
println "error m>ca m>ught"
}
Prints: "error m>ca m>ught"
Using the def keyword in larger programs is important as it helps define the scope in which the variable m>ca m>n be found an...
“Debug only” code that should run only when “turned on”
...
// ...
}
No pragmas, much cleaner. The downside is that Conditional m>ca m>n only be applied to methods, so you'll have to deal with a boolean variable that doesn't do anything in a release build. As the variable exists solely to be toggled from the VS execution host, and in a release build its va...
Do I set properties to nil in dealloc when using ARC?
...ment.
In MRR, you should release your ivars. Nilling out properties means m>ca m>lling setters, which may invoke code that it shouldn't touch in dealloc (e.g. if your class, or a subclass, overrides the setter). Similarly it may trigger KVO notifim>ca m>tions. Releasing the ivar instead avoids these undesire...
Control the size of points in an R sm>ca m>tterplot?
...ument that controls the appearance of the points in the plot. I'm making sm>ca m>tterplots with tens of thousands of points and prefer a small, but not too small dot. Basim>ca m>lly, I find pch='.' to be too small, but pch=19 to be too fat. Is there something in the middle or some way to sm>ca m>le the dots...
gunicorn autoreload on source change
...ntended for development." This would obviously work for production in some m>ca m>ses, but could also be problematic for a lot of others. Yes I did see below that you are seemingly uninterested in production /deploy.
– sofly
Sep 28 '14 at 1:11
...
Why does running the Flask dev server run itself twice?
...
The Werkzeug reloader spawns a child process so that it m>ca m>n restart that process each time your code changes. Werkzeug is the library that supplies Flask with the development server when you m>ca m>ll app.run().
See the restart_with_reloader() function code; your script is run again w...
Django: How to completely uninstall a Django app?
...all the tables for an app. See the sqlclear docs for more information. Basim>ca m>lly, running ./manage.py sqlclear my_app_name gets you get the SQL statements that should be executed to get rid of all traces of the app in your DB. You still need to copy and paste (or pipe) those statements into your SQL...
m>Ca m>n I arrange repositories into folders on Github?
...rent projects like webdesign, wordpress themes and different types of applim>ca m>tions. And some of these also belong to bigger projects bem>ca m>use they were about testing some stuff as a different applim>ca m>tion.
...
AngularJS - Access to child scope
...oups.google.com/d/msg/angular/LDNz_TQQiNE/ygYrSvdI0A0J
In a nutshell: You m>ca m>nnot access child scopes from a parent scope.
Your solutions:
Define properties in parents and access them from children (read the link above)
Use a service to share state
Pass data through events. $emit sends events up...
Ruby: kind_of? vs. instance_of? vs. is_a?
...
Example:
"hello".is_a? Object and "hello".kind_of? Object return true bem>ca m>use "hello" is a String and String is a subclass of Object.
However "hello".instance_of? Object returns false.
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