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Is there a pattern for initializing objects created via a DI container
...nitialized Decorator, as described in section 8.3.6 of my book. I also provide an example of something similar in my presentation Big Object Graphs Up Front.
– Mark Seemann
Aug 1 '13 at 17:52
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Cost of len() function
...n implementation of the Python language. Here's a link to a table that provides the algorithmic complexity of many different functions in CPython:
TimeComplexity Python Wiki Page
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How exactly does a generator comprehension work?
...type 'generator' has no len()
>>> # We extract each item out individually. We'll do it manually first.
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>>> next(filtered_gen)
5
>>> next(filtered_gen)
9
>>> next(filtered_gen)
6
>>> next(filtered_gen) # Should be all out of items and give an error
Tr...
How can you debug a CORS request with cURL?
...ng --head outputs only headers. Second when testing S3 URLs we need to provide additional header -H "Access-Control-Request-Method: GET".
Hope this will save time.
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MySQL: @variable vs. variable. What's the difference?
...ike this: @var
You can initialize this variable with a SET statement or inside a query:
SET @var = 1
SELECT @var2 := 2
When you develop a stored procedure in MySQL, you can pass the input parameters and declare the local variables:
DELIMITER //
CREATE PROCEDURE prc_test (var INT)
BEGIN
DECLAR...
Sticky and NON-Sticky sessions
...ultiple web servers which sit behind a load balancer, the load balancer decides which actual (physical) web-server should each request go to. For example, if there are 3 web servers A, B and C behind the load balancer, it is possible that www.mywebsite.com/index.jsp is served from server A, www.mywe...
Is there a difference between PhoneGap and Cordova commands?
...rst of command line option of PhoneGap
http://docs.phonegap.com/en/edge/guide_cli_index.md.html
Apache Cordova Options
http://cordova.apache.org/docs/en/3.0.0/guide_cli_index.md.html#The%20Command-line%20Interface
As almost most of commands are similar. There are few differences
(Note: No differ...
What is the Scala identifier “implicitly”?
...ews
An Implicit View can be triggered when the prefix of a selection (consider for example, the.prefix.selection(args) does not contain a member selection that is applicable to args (even after trying to convert args with Implicit Views). In this case, the compiler looks for implicit members, local...
Getting an element from a Set
Why doesn't Set provide an operation to get an element that equals another element?
24 Answers
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unsigned APK can not be installed
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I did not know that even with the "Allow Installation of non-Marked application", I still needed to sign the application.
I self-signed my application, following this link self-sign and release application, It only took 5 minut...