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Converting camel case to underscore case in ruby
...ectation to return self if a mutation occurred, nil otherwise. (see http://www.ruby-doc.org/core-1.9.3/String.html#method-i-gsub-21)
def to_underscore!
gsub!(/(.)([A-Z])/,'\1_\2')
downcase!
end
def to_underscore
dup.tap { |s| s.to_underscore! }
end
end
So "SomeCamelCase...
Can you supply arguments to the map(&:method) syntax in Ruby?
...
I like this solution, but I think you can have even more fun with it. Instead of defining a with method, define call. Then you can do things like a.map(&:+.(2)) since object.() uses the #call method. And while you're at it, you can write fun things like :+.(2).(3) #=> 5 -...
Formatting a float to 2 decimal places
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Make var_dump look pretty
... other available option and documentation for xdebug can be founded here.
https://xdebug.org/docs/
Good luck and Have Fun !!!
Result
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String formatting in Python 3
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How to submit a form using PhantomJS
...d");
};
var steps = [
function() {
//Load Login Page
page.open("https://website.com/theformpage/");
},
function() {
//Enter Credentials
page.evaluate(function() {
var arr = document.getElementsByClassName("login-form");
var i;
for (i=0; i < arr.length; i...
What is the maximum amount of RAM an app can use?
...mory limits per app are here depending on screen size and Android version: https://drive.google.com/file/d/0B7Vx1OvzrLa3Y0R0X1BZbUpicGc/view?usp=sharing
Source: Android Compatibility Downloads http://source.android.com/compatibility/downloads.html;
Compatibility Definition Document (CDD), Section ...
Checking if a string can be converted to float in Python
... ------------
print(isfloat("")) False
print(isfloat("1234567")) True
print(isfloat("NaN")) True nan is also float
print(isfloat("NaNananana BATMAN")) False
print(isfloat("123.456")) True
print(isfloat("123.E4")) ...
Chrome Dev Tools - “Size” vs “Content”
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JavaScript Regular Expression Email Validation [duplicate]
...o pass for a solid implementation anyway.
See the real thing here: http://www.ex-parrot.com/~pdw/Mail-RFC822-Address.html
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