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Performance of Find() vs. FirstOrDefault() [duplicate]

... Praying for the day C# gets higher order types – ditoslav Mar 2 '18 at 12:05 1 ...
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Is it possible to view RabbitMQ message contents directly from the command line?

...RabbitMQ queue to local files and requeuing the messages in their original order. Example usage (to dump the first 50 messages of queue incoming_1): rabbitmq-dump-queue -url="amqp://user:password@rabbitmq.example.com:5672/" -queue=incoming_1 -max-messages=50 -output-dir=/tmp ...
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Forward declaration of a typedef in C++

...orward declaration can be made if we only need to know the type exists, in order to create pointers or references to the type. Since the OP didn't show code, but complained it wouldn't compile, I assumed (probably correctly) that the OP was trying to use the type, not just refer to it. ...
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Simple Digit Recognition OCR in OpenCV-Python

... Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity. ...
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Inherit docstrings in Python class inheritance

...le that can preserve both the inherited docstring syntax and the preferred ordering can be: class X(object): """This class has a method foo().""" def foo(): pass class Y(X): """ Also bar().""" __doc__ = X.__doc__ + __doc__ def bar(): pass With the same output as Alex's one: >>&g...
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In-place type conversion of a NumPy array

...x.astype(float) conversion. I wouldn't recommend it unless your script is bordering on MemoryError. – hpaulj Feb 20 '19 at 5:04 add a comment  |  ...
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Using PowerShell to write a file in UTF-8 without the BOM

...losed before sending the result through the pipeline. This is necessary in order to be able to write back to the same file (update it in place). Generally, though, this technique is not advisable for 2 reasons: (a) the whole file must fit into memory and (b) if the command is interrupted, data will ...
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Is there a way to check which CSS styles are being used or not used on a web page?

... Install the CSS Usage add-on for Firebug and run it on that page. It will tell you which styles are being used and not used by that page. share ...
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ORA-30926: unable to get a stable set of rows in the source tables

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access denied for load data infile in MySQL

I use MySQL queries all the time in PHP, but when I try 10 Answers 10 ...