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Which is more preferable to use: lambda functions or nested functions ('def')?

...efs are just syntactic sugar for an assignment, so the result is the same, and they are a lot more flexible and readable. lambdas can be used for use once, throw away functions which won't have a name. However, this use case is very rare. You rarely need to pass around unnamed function objects. T...
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How to Pass Parameters to Activator.CreateInstance()

...ects using pre compiled lambda. Of course always performance is subjective and it clearly depends on each case if it's worth it or not. Details about the issue on this article. Graph is taken from the article and represents time taken in ms per 1000 calls. ...
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Storing sex (gender) in database

... 2,147,483,648 to 2,147,483,647 BIT 1 (2 if 9+ columns) 2 (0 and 1) CHAR(1) 1 26 if case insensitive, 52 otherwise The BIT data type can be ruled out because it only supports two possible genders which is inadequate. While INT supports more than two options, i...
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How to send a PUT/DELETE request in jQuery?

... Just a note, if you're using an IIS webserver and the jquery PUT or DELETE requests are returning 404 errors, you will need to enable these verbs in IIS. I've found this to be a good resource: geekswithblogs.net/michelotti/archive/2011/05/28/… – T...
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How to resize an image with OpenCV2.0 and Python2.6

I want to use OpenCV2.0 and Python2.6 to show resized images. I used and adopted this example but unfortunately, this code is for OpenCV2.1 and does not seem to be working on 2.0. Here my code: ...
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Why does this CSS margin-top style not work?

... form a single margin. Margins that combine this way are said to collapse, and the resulting combined margin is called a collapsed margin. Adjoining vertical margins collapse [...] Two margins are adjoining if and only if: both belong to in-flow block-level boxes that participate...
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Copy a stream to avoid “stream has already been operated upon or closed”

... Java 8 stream so that I can deal with it twice. I can collect as a list and get new streams from that; 10 Answers ...
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Why `null >= 0 && null

...utine that increments the value of a variable by 1 if its type is number and assigns 0 to the variable if not, where the variable is initially null or undefined . ...
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REST HTTP status codes for failed validation or invalid duplicate

I'm building an application with a REST-based API and have come to the point where i'm specifying status codes for each requests. ...
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Override configured user for a single git commit

...r credentials, possible using a different configuration file or orther command line switches? 6 Answers ...