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How do I get the MAX row with a GROUP BY in LINQ query?

... (s => s.uid, tv => tv.uid, asdf => asdf.uid). Linq will automatically recognize it as selecting over elements of type Serial. – Michael Mar 17 '11 at 17:03 add a com...
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What's the difference between std::move and std::forward

... with "t" being template param is special, and adjusts "t" to be (for example) "int &" or non-ref "int" so std::forward knows what to do. */ void forwarding( t && arg ) { std::cout << "via std::forward: "; overloaded( std::forward< t >( arg ) ); std::cout <...
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Current time in microseconds in java

...ble on many platforms, 2) returning millisecond accuracy in a microsecond call leads to application portability issues. – Stephen C Nov 11 '09 at 4:17 9 ...
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Pandas: create two new columns in a dataframe with values calculated from a pre-existing column

...he top answer is flawed in my opinion. Hopefully, no one is mass importing all of pandas into their namespace with from pandas import *. Also, the map method should be reserved for those times when passing it a dictionary or Series. It can take a function but this is what apply is used for. So, if ...
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How can I obtain the element-wise logical NOT of a pandas Series?

... Wierd, I actually tested the tilde as it was mentioned in the documentation, but it didn't perform the same as np.invert :S – root Apr 14 '13 at 13:11 ...
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How to resize a tableHeaderView of a UITableView?

... +1 This worked for me. Calling 'setTableHeaderView' after your subview has changed size is the key. The problem is, my subview changes size over a second as an animation. Now I'm trying to figure out how to animate the tableHeaderView with it. ...
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UITableView is starting with an offset in iOS 7

...ed Aug 22 '13 at 19:05 Mick MacCallum 122k4040 gold badges273273 silver badges274274 bronze badges answered Aug 22 '13 at 19:02 ...
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Python argparse: default value or specified value

... import argparse parser = argparse.ArgumentParser() parser.add_argument('--example', nargs='?', const=1, type=int) args = parser.parse_args() print(args) % test.py Namespace(example=None) % test.py --example Namespace(example=1) % test.py --example 2 Namespace(example=2) nargs...
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If vs. Switch Speed

Switch statements are typically faster than equivalent if-else-if statements (as e.g. descibed in this article ) due to compiler optimizations. ...
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Decoding and verifying JWT token using System.IdentityModel.Tokens.Jwt

... Within the package there is a class called JwtSecurityTokenHandler which derives from System.IdentityModel.Tokens.SecurityTokenHandler. In WIF this is the core class for deserialising and serialising security tokens. The class has a ReadToken(String) method tha...