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The type 'string' must be a non-nullable type in order to use it as parameter T in the generic type
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Use string instead of string? in all places in your code.
The Nullable<T> type requires that T is a non-nullable value type, for example int or DateTime. Reference types like string can already be null. There would be no point in allowing things like ...
Using bitwise OR 0 to floor a number
...ator casts the
number to an integer, thus removing the fractional part
All bitwise operations except unsigned right shift, >>>, work on signed 32-bit integers. So using bitwise operations will convert a float to an integer.
Does it have any advantages over doing Math.floor? Maybe it...
What is the difference between BIT and TINYINT in MySQL?
...h cases would you use which? Is there much of a difference? Which I typically used by persistence engines to store booleans?
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How to get POSTed JSON in Flask?
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First of all, the .json attribute is a property that delegates to the request.get_json() method, which documents why you see None here.
You need to set the request content type to application/json for the .json property and .get_jso...
Linux bash: Multiple variable assignment
... writing the answer bash supporting this syntax was less common (as in installed by default), though I'm not 100% sure.
– Michael Krelin - hacker
Oct 21 '15 at 19:30
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What is “Service Include” in a csproj file for?
...ts. This added seconds of delay to startup and solution open scenarios for all users, majority of whom don't use tests.
In Visual Studio 2013, we changed it so that Test Explorer package is loaded only when the solution contains one or more test projects. Test projects are identified in two differen...
Define css class in django Forms
... The only sane solution, I must say. Thank you!. Python code, and especially in form's definition, is the last place to put stuff for styling - these definitely belong to the templates.
– Boris Chervenkov
Nov 12 '11 at 23:09
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Regular expressions in C: examples?
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Regular expressions actually aren't part of ANSI C. It sounds like you might be talking about the POSIX regular expression library, which comes with most (all?) *nixes. Here's an example of using POSIX regexes in C (based on this):
#include <reg...
How do I change the formatting of numbers on an axis with ggplot?
I'm using R and ggplot to draw a scatterplot of some data, all is fine except that the numbers on the y-axis are coming out with computer style exponent formatting, i.e. 4e+05, 5e+05, etc. This is obviously unacceptable, so I want to get it to display them as 500,000, 400,000, and so on. Getting a p...
How to ignore whitespace in a regular expression subject string?
...ld do the trick:
/c(?:\n\s*)?a(?:\n\s*)?t(?:\n\s*)?s/
See this page for all the different variations of 'cats' that this matches.
You can also solve this using conditionals, but they are not supported in the javascript flavor of regex.
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