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How to join two sets in one line without using “|”

Assume that S and T are assigned sets. Without using the join operator | , how can I find the union of the two sets? This, for example, finds the intersection: ...
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Running unittest with typical test directory structure

...ory?) import glob import unittest def create_test_suite(): test_file_strings = glob.glob('test/test_*.py') module_strings = ['test.'+str[5:len(str)-3] for str in test_file_strings] suites = [unittest.defaultTestLoader.loadTestsFromName(name) \ for name in module_strings] ...
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Input placeholders for Internet Explorer

...s, one I saw was jQuery-html5-placeholder. I tried the demo out with IE9, and it looks like it wraps your <input> with a span and overlays a label with the placeholder text. <label>Text: <span style="position: relative;"> <input id="placeholder1314588474481" name="text" ...
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convert '1' to '0001' in JavaScript [duplicate]

...ve seen on SO before): var str = "" + 1 var pad = "0000" var ans = pad.substring(0, pad.length - str.length) + str JavaScript is more forgiving than some languages if the second argument to substring is negative so it will "overflow correctly" (or incorrectly depending on how it's viewed): That ...
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How does Facebook Sharer select Images and other metadata when sharing my URL?

...the http://www.facebook.com/sharer.php does not use meta tags. It uses the string you pass. See below. http://www.facebook.com/sharer.php?s=100&p[title]=THIS IS MY TITLE&p[summary]=THIS IS MY SUMMARY&p[url]=http://www.MYURL.com&&p[images][0]=http://www.MYURL.com/img/IMAGEADDRESS...
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How to convert DateTime to VarChar

...DECLARE @myDateTime DATETIME SET @myDateTime = '2008-05-03' -- -- Convert string -- SELECT LEFT(CONVERT(VARCHAR, @myDateTime, 120), 10) share | improve this answer | follow...
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Put icon inside input element in a form

... Could you please describe more about top and left parameters (7px 7 px) and other attributes? That is must be helpful. – QMaster Jan 27 '14 at 5:15 ...
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How to execute maven plugin execution directly from command line?

I have a plugin (antrun) with an execution configured which has an id and is not bound to any phase. Can I execute this execution directly from the command line? ...
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How can I get a resource “Folder” from inside my jar File?

... Finally, I found the solution: final String path = "sample/folder"; final File jarFile = new File(getClass().getProtectionDomain().getCodeSource().getLocation().getPath()); if(jarFile.isFile()) { // Run with JAR file final JarFile jar = new JarFile(jarFile...
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What is the difference between the dot (.) operator and -> in C++? [duplicate]

...he target. dot works on objects; arrow works on pointers to objects. std::string str("foo"); std::string * pstr = new std::string("foo"); str.size (); pstr->size (); share | improve this answe...