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Why does C++ require a user-provided default constructor to default-construct a const object?

... This was considered a defect (against all versions of the standard) and it was resolved by Core Working Group (CWG) Defect 253. The new wording for the standard states in http://eel.is/c++draft/dcl.init#7 A class type T is const-default-constructible if def...
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How do I debug error ECONNRESET in Node.js?

...ity wiki 2 revs, 2 users 67%Suzana_K 4 ...
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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 to check all checkboxes using jQuery?

...I have tried to create a little script for my application. I want to check all checkboxes but it isn't working correctly. 2...
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Difference between ApiController and Controller in ASP.NET MVC

... based web/internet/intranet application - maybe with the occasional AJAX call returning json here and there - stick with MVC/Controller. If you want to provide a data driven/REST-ful interface to a system, go with WebAPI. You can combine both, of course, having an ApiController cater AJAX calls fro...
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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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javascript regex - look behind alternative?

...ook ahead is available since version 1.5 of javascript and is supported by all major browsers Updated to match filename2.js and 2filename.js but not filename.js (^(?!filename\.js$).).+\.js share | ...
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Call a stored procedure with parameter in c#

...do a delete, insert and update in my program and I try to do an insert by call a created stored procedure from my database. ...
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How do you make an array of structs in C?

...bout the placement between the declaration of the struct type and then actually making an instance of it - I have a different struct, one that I defined the contents of below where I first make an instance of it (just one this time, not an array), so why didn't this make the massive series of errors...
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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. ...