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Eclipse / Android : “Errors running builder 'Android Pre Compiler' on project…”
...cribed here.
Open properties of project in Eclipse then Resources -> Resource filters.
Click the "Add..." button -> Check "Exclude all", "Files and folders", "All children". In the text entry box input ".svn" (without quotes).
Restart Eclipse.
I had the same problem with .git f...
Short description of the scoping rules?
... If so, then why isn't foo's "y" variable visible to "bar" below: >>> def foo(x): ... y = x ... def bar(z): ... y = z ... bar(5) ... print x,y ... >>> foo(3) 3 3
– Jonathan Mayer
Feb 11 '13 at 21:56
...
How to prevent browser page caching in Rails
...in application_controller.rb
After Rails 5:
class ApplicationController < ActionController::Base
before_action :set_cache_headers
private
def set_cache_headers
response.headers["Cache-Control"] = "no-cache, no-store"
response.headers["Pragma"] = "no-cache"
response.headers[...
Store a closure as a variable in Swift
...
The compiler complains on
var completionHandler: (Float)->Void = {}
because the right-hand side is not a closure of the appropriate signature, i.e. a closure taking
a float argument. The following would assign a "do nothing" closure to the
completion handler:
var completionHan...
Is arr.__len__() the preferred way to get the length of an array in Python?
...er types or iterables didn't all need to explicitly implement a public .length() method, instead you can just check the len() of anything that implements the 'magic' __len__() method.
Sure, this may seem redundant, but length checking implementations can vary considerably, even within the same lang...
Create a .csv file with values from a Python list
...
Also for this to work the lists need to have the same length, otherwise you'll get a ValueError (pandas v 0.22.0)
– cheevahagadog
May 3 '18 at 21:37
add a co...
Converting Dictionary to List? [duplicate]
...
dict(iterable) -> new dictionary initialized as if via: d = {} for k, v in iterable: d[k] = v so please use items() instead of 'iteritems'
– Anu
Aug 16 '19 at 14:11
...
Piping both stdout and stderr in bash?
It seems that newer versions of bash have the &> operator, which (if I understand correctly), redirects both stdout and stderr to a file ( &>> appends to the file instead, as Adrian clarified).
...
Make Visual Studio understand CamelCase when hitting Ctrl and cursor keys
...CamelHumps (cute) and you can switch it on using the menu:
Resharper -> Options -> Environment -> Editor -> Editor Behavior -> Use CamelHumps
... in older versions of Resharper, it is;
Resharper -> Options -> Editor -> Use CamelHumps
...
Best way to pretty print a hash
...ine will work on a hash:
puts JSON.pretty_generate(my_hash).gsub(":", " =>")
#=>
{
:key1 => "value1",
:key2 => "value2",
:key3 => "value3"
}
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