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Print in one line dynamically

... From http://docs.python.org/reference/simple_stmts.html#print: > A '\n' character is written at the end, unless the print statement ends with a comma. This is the only action if the statement contains just the keyword print. – ewall ...
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Reflection - get attribute name and value on property

I have a class, lets call it Book with a property called Name. With that property, I have an attribute associated with it. ...
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Difference between applicationContext.xml and spring-servlet.xml in Spring Framework

...associated with the webapp. The spring-servlet.xml (or whatever else you call it) defines the beans for one servlet's app context. There can be many of these in a webapp, one per Spring servlet (e.g. spring1-servlet.xml for servlet spring1, spring2-servlet.xml for servlet spring2). Beans in sprin...
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How to scroll to specific item using jQuery?

... element.scrollIntoView() - that is all that is required. Animation is standardised. See developer.mozilla.org/en-US/docs/Web/API/Element/scrollIntoView – WickyNilliams Feb 26 '16 at 11:46 ...
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How to read a large file - line by line?

... The for line in f treats the file object f as an iterable, which automatically uses buffered I/O and memory management so you don't have to worry about large files. There should be one -- and preferably only one -- obvious way to do it. ...
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Argparse: Required arguments listed under “optional arguments”?

... Parameters starting with - or -- are usually considered optional. All other parameters are positional parameters and as such required by design (like positional function arguments). It is possible to require optional arguments, but this is a bit against their desig...
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How to inspect the return value of a function in GDB?

...4-yellowdog-linux-gnu"... (no debugging symbols found) Using host libthread_db library "/lib64/libthread_db.so.1". (gdb) break __libc_start_main Breakpoint 1 at 0x10013cb0 (gdb) r Starting program: /bin/ls (no debugging symbols found) (no debugging symbols found) (no debugging symbols found) (no de...
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How to TryParse for Enum value?

....Val1|MyEnum.Val2" which is a combination of two enum values. If you just call Enum.IsDefined with this string, it will return false, even though Enum.Parse handles it correctly. Update As mentioned by Lisa and Christian in the comments, Enum.TryParse is now available for C# in .NET4 and up. MSDN...
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What differences, if any, between C++03 and C++11 can be detected at run-time?

...onstrate breaking changes. The following is a tweaked testcase, which initially was used to demonstrate such a change, but now is used to test for C++0x or C++03. struct X { }; struct Y { X x1, x2; }; struct A { static X B(int); }; typedef A B; struct C : A { using ::B::B; // (inheriting const...
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Get the first element of each tuple in a list in Python [duplicate]

... Use a list comprehension: res_list = [x[0] for x in rows] Below is a demonstration: >>> rows = [(1, 2), (3, 4), (5, 6)] >>> [x[0] for x in rows] [1, 3, 5] >>> Alternately, you could use unpacking instead of x[0]: res_li...