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How do I check the difference, in seconds, between two dates?

... # You could also pass datetime.time object in this part and convert it to string. time_start = str('09:00:00') time_end = str('18:00:00') # Then get the difference here. diff = datetime.strptime(time_end, date_format) - datetime.strptime(time_start, date_format) # Get the time in hours i.e. ...
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Rotating a point about another point (2D)

...nt { public double X; public double Y; public string Print(){ return $"{X},{Y}"; } } } Ps: Apparently I can’t comment, so I’m obligated to post it as an answer ... s...
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ASP.NET “special” tags

...erties through the server tag attributes. Used with AppSettings, ConnectionStrings, or Resources (or your own custom extension, for example to use code-behind properties). These assignments are added to the OnInit() method of the generated class. <%-- --%> is a Server-Side Comment. Used to exc...
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How can I install from a git subdirectory with pip?

... Repository not found. presumably because it doesn't parse the "query" string correctly. I've just logged: github.com/pypa/pip/issues/4898 – amohr Nov 30 '17 at 22:45 ...
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What is the meaning of erb?

...all within your Ruby applications and Rake tasks. This library accepts any string as a template, and imposes no limitations on the source of the template. You may define a template entirely within your code, or store it in an external location and load it as required. This means that you can keep te...
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What is the purpose of “!” and “?” at the end of method names?

... just looks weird. In your example, name.reverse evaluates to a reversed string, but only after the name.reverse! line does the name variable actually contain the reversed name. name.is_binary_data? looks like "is name binary data?". ...
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Can I create a named default constraint in an add column statement in SQL Server?

... ID INT IDENTITY NOT NULL CONSTRAINT PK_TestTable PRIMARY KEY --let the string be unique (results in a unique index implicitly) ,SomeUniqueString VARCHAR(100) NOT NULL CONSTRAINT UQ_TestTable_SomeUniqueString UNIQUE --define two constraints, one for a default value and one for a value check ,So...
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Understanding spring @Configuration class

... follows: @Autowired @Value("${some.interesting.property}") private final String someInterestingProperty; This can be used with SpEL expressions as well. In order to allow spring to treat such classes as beans containers we need to mark this in our main xml by putting this tag in the context: &...
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Why #egg=foo when pip-installing from git repo

... per pip install -h the "egg" string is the directory that gets checked out as part of the install share | improve this answer | ...
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How to sort with lambda in Python

... This does not work for string integers. Check this out! lst = [('999', '9'), ('303', '30'), ('343', '34')] lst.sort(key=lambda x: x[1]) print(lst) – Daniel Kua Jun 13 at 4:26 ...