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Removing fields from struct or hiding them in JSON Response
I've created an API in Go that, upon being called, performs a query, creates an instance of a struct, and then encodes that struct as JSON before sending back to the caller. I'd now like to allow the caller to be able to select the specific fields they would like returned by passing in a "fields" G...
PHP code to remove everything but numbers
...oting doesn't have anything to do with PCRE tho. Apparently (in the days before (?flags)) the people who designed/wrote the function/API thought it was a good idea to pass the regex flags with the double quoted /flags form instead of using an extra function parameter.
– Qtax
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Overloaded method selection based on the parameter's real type
.... Your expectation is wrong. In Java, dynamic method dispatch happens only for the object the method is called on, not for the parameter types of overloaded methods.
Citing the Java Language Specification:
When a method is invoked (§15.12), the
number of actual arguments (and any
explicit ...
_DEBUG vs NDEBUG
...lf that defines these macros and not Visual Studio (the IDE). Thanks a lot for this answer!
– Niklas R
Jul 24 '15 at 11:26
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What does [STAThread] do?
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The STAThreadAttribute is essentially a requirement for the Windows message pump to communicate with COM components. Although core Windows Forms does not use COM, many components of the OS such as system dialogs do use this technology.
MSDN explains the reason in slightly mor...
@Media min-width & max-width
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I've found the best method is to write your default CSS for the older browsers, as older browsers including i.e. 5.5, 6, 7 and 8. Can't read @media. When I use @media I use it like this:
<style type="text/css">
/* default styles here for older browsers.
I tend t...
How does a UILabel's minimumScaleFactor work?
I have used minimumFontSize before but that function is now deprecated and i don't quite understand how minimumScaleFactor works.
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What is ModelState.IsValid valid for in ASP.NET MVC in NerdDinner?
...e been added to ModelState.
The default model binder will add some errors for basic type conversion issues (for example, passing a non-number for something which is an "int"). You can populate ModelState more fully based on whatever validation system you're using.
The sample DataAnnotations model ...
function declaration isn't a prototype
...ol that might be present in a different translation unit (C compiler speak for source file), don't resolve it until link time. On the other hand, symbols which are function names are anyway resolved at link time. The meaning of a storage class specifier on a function (extern, static) only affects it...
MySQL: What's the difference between float and double?
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They both represent floating point numbers. A FLOAT is for single-precision, while a DOUBLE is for double-precision numbers.
MySQL uses four bytes for single-precision values and eight bytes for double-precision values.
There is a big difference from floating point numbers and ...