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How do I get the number of elements in a list?

... xrange, dict, set, frozenset)) True Do not use len to test for an empty or nonempty list To test for a specific length, of course, simply test for equality: if len(items) == required_length: ... But there's a special case for testing for a zero length list or the inverse...
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To Workflow or Not to Workflow?

...) Message correlation and messaged exchange patterns b) Workflows and unit testing In standard systems in C# for example a workflow is rarely explicit and therefore rarely unit tested. The overall workflow is left for testing by acceptance scenarios or integration. Introduce an explicit WF as a soft...
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How to write a bash script that takes optional input arguments?

...ual - 3.5.3 Shell Parameter Expansion: Omitting the colon results in a test only for a parameter that is unset. Put another way, if the colon is included, the operator tests for both parameter’s existence and that its value is not null; if the colon is omitted, the operator tests only for exis...
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Selenium wait until document is ready

...ething like 'find' to make it wait but I don't go that far. I just need to test that the page loads successfully and move on to next page to test. ...
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Why would one use the Publish/Subscribe pattern (in JS/jQuery)?

...can be interrupted. Another drawback of publish/subscribe is the hard unit testing, it may become difficult to isolate the different functions in the modules and test them independently. share | imp...
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Is there any way to specify a suggested filename when using data: URI?

... @flyingsheep $('<a href="data:text/plain,Test" download="test.txt">')[0].click() seems to work fine here (Chrome 23) (note: I used the native click method, not jQuery's one). Demo: jsfiddle.net/2zsRW – Rob W Dec 6 '12 at 12:...
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String output: format or concat in C#?

...h just to use the same memory reference. Therefore your code doesn't truly test the difference between the two concat methods. See code in my answer below. – Ludington Nov 13 '12 at 1:21 ...
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What does @@variable mean in Ruby?

...xample; its output is in the comments at the end of the puts lines: class Test @@shared = 1 def value @@shared end def value=(value) @@shared = value end end class AnotherTest < Test; end t = Test.new puts "t.value is #{t.value}" # 1 t.value = 2 puts "t.value is #{t.value}"...
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What would be an alternate to [TearDown] and [SetUp] in MSTest?

When I use MSTest Framework, and copy the code that Selenium IDE generated for me, MSTest doesn't recognize [TearDown] and [SetUp] . What is the alternative to this? ...
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Sending HTML email using Python

...msg = email.message.Message() msg['Subject'] = 'foo' msg['From'] = 'sender@test.com' msg['To'] = 'recipient@test.com' msg.add_header('Content-Type','text/html') msg.set_payload('Body of <b>message</b>') # Send the message via local SMTP server. s = smtplib.SMTP('localhost') s.starttls()...