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When should I mock?
...nit test should test a single codepath through a single method. When the execution of a method passes outside of that method, into another object, and back again, you have a dependency.
When you test that code path with the actual dependency, you are not unit testing; you are integration testing...
ab load testing
...ance, it is a bad idea to only depend on it if you plan to have your site exposed to serious stress in production.
Having said that, here's the most common and simplest parameters:
-c: ("Concurrency"). Indicates how many clients (people/users) will be hitting the site at the same time. While ab ru...
Do zombies exist … in .NET?
... with a teammate about locking in .NET. He's a really bright guy with an extensive background in both lower-level and higher-level programming, but his experience with lower level programming far exceeds mine. Anyway, He argued that .NET locking should be avoided on critical systems expected to be...
What do 'real', 'user' and 'sys' mean in the output of time(1)?
...e slices used by other processes and time the process spends blocked (for example if it is waiting for I/O to complete).
User is the amount of CPU time spent in user-mode code (outside the kernel) within the process. This is only actual CPU time used in executing the process. Other processes and t...
How to generate random SHA1 hash to use as ID in node.js?
...tring();
crypto.createHash('sha1').update(current_date + random).digest('hex');
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What is a reasonable code coverage % for unit tests (and why)? [closed]
...ou are serving, how much rice
you have available, and so on.”
“Exactly,” said the great master.
The second programmer smiled, bowed,
and left.
...
Toward the end of the day, a third
programmer came and asked the same
question about code coverage.
“Eighty perc...
Why is Git better than Subversion?
...ainst it.
This looks good at first, but just keep in mind the added complexity to this approach.
Git seems to be the "new, shiny, cool" thing. It's by no means bad (there is a reason Linus wrote it for the Linux Kernel development after all), but I feel that many people jump on the "Distributed So...
Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]
...otice that the library, from a usage perspective, has changed little. For example...
18 Answers
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Can you explain the HttpURLConnection connection process?
...t URL of the resource to
// request
URL url = new URL("http://www.example.com/comment");
// instantiate the HttpURLConnection with the URL object - A new
// connection is opened every time by calling the openConnection
// method of the protocol handler for this URL.
// 1. Th...
Using Kafka as a (CQRS) Eventstore. Good idea?
...or not they
have been consumed—for a configurable period of time. For example if
the retention is set for two days, then for the two days after a
message is published it is available for consumption, after which it
will be discarded to free up space. Kafka's performance is effectively
co...