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if A vs if A is not None:
...summary:
object.__nonzero__(self)
Called to implement truth value testing and the built-in operation bool(); should return False or True, or their integer equivalents 0 or 1. When this method is not defined, __len__() is called, if it is defined, and the object is considered true if its res...
How to redirect a url in NGINX
I need to redirect every http://test.com request to http://www.test.com . How can this be done.
4 Answers
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Can a program depend on a library during compilation but not runtime?
...s) and major directory under your project root? For instance, all my JUnit tests that depend on the JUnit JAR will be under the test/ root, etc. I just don't see how the same classes, packaged under the same source root, could be "configured" to depend on different JARs at any given time. If you nee...
Test for multiple cases in a switch, like an OR (||)
How would you use a switch case when you need to test for a or b in the same case?
6 Answers
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Random “Element is no longer attached to the DOM” StaleElementReferenceException
...'re having problems with StaleElementReferenceExceptions it's because your tests are poorly written. It's a race condition. Consider the following scenario:
WebElement element = driver.findElement(By.id("foo"));
// DOM changes - page is refreshed, or element is removed and re-added
element.click();...
Managing Sessions in Node.js? [closed]
...reaks but never collapses. There are no excuses for code that has not been tested. With such tools as integration testing, unit testing, regression testing what excuse do you use to say that your code hasn't been tested? Have more faith in your talents. Your as good as any third party.
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How to test which port MySQL is running on and whether it can be connected to?
...MySQL is on a certain port, you can use the following command in terminal. Tested on mac. 3306 is the default port.
mysql --host=127.0.0.1 --port=3306
If you successfully log in to the MySQL shell terminal, you're good! This is the output that I get on a successful login.
Welcome to the MySQL mon...
varbinary to string on SQL Server
...20697320612074657374
select cast(@b as varchar(max)) /*Returns "This is a test"*/
This is the equivalent of using CONVERT with a style parameter of 0.
CONVERT(varchar(max), @b, 0)
Other style parameters are available with CONVERT for different requirements as noted in other answers.
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Which is better, return value or out parameter?
...out parameters are slightly harder to use with reflection and usually make testing harder too. (More effort is usually put into making it easy to mock return values than out parameters). Basically there's nothing I can think of that they make easier...
Return values FTW.
EDIT: In terms of what's g...
RSpec controller testing - blank response.body
I am stuck with a problem when testing my controllers with RSpec - the response.body call always returns an empty string. In browser everything renders correctly, and cucumber feature tests seem to get it right, but RSpec fails each and every time.
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