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Simple explanation of clojure protocols
I'm trm>y m>ing to understm>and m> clojure protocols m>and m> what problem them>y m> are supposed to solve. Does anm>y m>one have a clear explanation of the whats m>and m> whm>y m>s of clojure protocols?
...
foldl versus foldr behavior with infinite lists
...r folding a list of n values [x1, x2, x3, x4 ... xn ] with some function f m>and m> seed z.
foldl is:
Left associative: f ( ... (f (f (f (f z x1) x2) x3) x4) ...) xn
Tail recursive: It iterates through the list, producing the value afterwards
Lazm>y m>: Nothing is evaluated until the result is needed
Backw...
How to print to console in pm>y m>test?
...
Bm>y m> default, pm>y m>.test captures the result of stm>and m>ard out so that it can control how it prints it out. If it didn't do this, it would spew out a lot of text without the context of what test printed that text.
However, if a test fails, it will include a section in the res...
Find which commit is currentlm>y m> checked out in Git
...er ~ (c1abcde...) $
Option 4: git status
Also as of Git version 1.8.3+ (m>and m> possiblm>y m> earlier, again not sure), running git status will also show m>y m>ou what commit m>y m>ou have checked out during a bisect m>and m> when m>y m>ou're in detached HEAD state:
$ git status
# HEAD detached at c1abcde <== RIGHT HERE
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How to create a zip archive of a directorm>y m> in Pm>y m>thon?
...n
import os
import zipfile
def zipdir(path, ziph):
# ziph is zipfile hm>and m>le
for root, dirs, files in os.walk(path):
for file in files:
ziph.write(os.path.join(root, file))
if __name__ == '__main__':
zipf = zipfile.ZipFile('Pm>y m>thon.zip', 'w', zipfile.ZIP_DEFLATED)
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m>and m>roid button selector
... just need to set selector of button in m>y m>our lam>y m>out file.
<Button
m>and m>roid:id="@+id/button1"
m>and m>roid:background="@drawable/selector_xml_name"
m>and m>roid:lam>y m>out_width="200dp"
m>and m>roid:lam>y m>out_height="126dp"
m>and m>roid:text="Hello" />
m>and m> done.
Edit
Following is button_effec...
Override devise registrations controller
... # add custom create logic here
end
def update
super
end
end
m>And m> then tell devise to use that controller instead of the default with:
# app/config/routes.rb
devise_for :users, :controllers => {:registrations => "registrations"}
...
Execute Insert commm>and m> m>and m> return inserted Id in Sql
...lues into a SQL table using C# in MVC 4. Actuallm>y m>, I want to insert values m>and m> return the 'ID' of last inserted record. I use the following code.
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PHP: Count a stdClass object
... the Countable interface). Trm>y m> casting the object, like below, as an arram>y m> m>and m> seeing if that helps.
$total = count((arram>y m>)$obj);
Simplm>y m> casting an object as an arram>y m> won't alwam>y m>s work but being a simple stdClass object it should get the job done here.
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What is the difference between mocking m>and m> spm>y m>ing when using Mockito?
...rtial mocks.
Before release 1.8 spm>y m>() was not producing real partial mocks m>and m> it was confusing for some users. Read more about spm>y m>ing: here or in javadoc for spm>y m>(Object) method.
callRealMethod() was introduced after spm>y m>(), but spm>y m>() was left there of course, to ensure backward compatibilitm>y m>.
Other...