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How to do ToString for a possibly null object?

...efore, while it maybe appears elegant, the cast is almost always necessary and is not that succinct in practice. As suggested elsewhere, I recommend maybe using an extension method to make this cleaner: public static string ToStringNullSafe(this object value) { return (value ?? string.Empty).ToS...
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How to close current tab in a browser window?

...t message should appear asking the user to confirm with two buttons, "YES" and "NO". If the user clicks "YES", close that page and If "NO", do nothing. ...
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Variable length (Dynamic) Arrays in Java

I was wondering how to initialise an integer array such that it's size and values change through out the execution of my program, any suggestions? ...
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Should I avoid 'async void' event handlers?

I know it is considered generally a bad idea to use fire-and-forget async void methods to start tasks, because there is no track of the pending task and it is tricky to handle exceptions which might be thrown inside such a method. ...
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NumPy or Pandas: Keeping array type as integer while having a NaN value

... This capability has been added to pandas (beginning with version 0.24): https://pandas.pydata.org/pandas-docs/version/0.24/whatsnew/v0.24.0.html#optional-integer-na-support At this point, it requires the use of extension dtype Int64 (capitalized), rather than...
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Setting Authorization Header of HttpClient

... @MickyDuncan HttpClient has a DefaultRequestHeaders.Authorization. And this answer just salvaged my day. Much thanks to WhiteRabbit. – Joey Schluchter Jan 23 '14 at 19:26 3...
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How to get the name of a function in Go?

...single function uniquely. The only guarantee is that the result is zero if and only if v is a nil func Value." – jochen Apr 14 '15 at 15:56 1 ...
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Plotting a list of (x, y) coordinates in python matplotlib

...t is making two plots, where the index of the list gives the x-coordinate, and the first plot's y values are the a s in the pairs and the second plot's y values are the b s in the pairs. ...
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AngularJS ng-click stopPropagation

I have a click Event on a table row and in this row there is also a delete Button with a click Event. When i click the delete button the click Event on the row is also fired. ...
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Get time difference between two dates in seconds

...he explanation You need to call the getTime() method for the Date objects, and then simply subtract them and divide by 1000 (since it's originally in milliseconds). As an extra, when you're calling the getDate() method, you're in fact getting the day of the month as an integer between 1 and 31 (not ...