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org.xml.sax.SAXParseException: Content is not allowed in prolog
...ent? That would be the error there, having data in front of the prolog, -<?xml version="1.0" encoding="UTF-8"?>.
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How do I view the SQL generated by the Entity Framework?
... EF6, I could get it only with reflection. but first, I had to convert result to System.Data.Entity.Infrastructure.DbQuery<T>, then get internal property InternalQuery as (System.Data.Entity.Internal.Linq.InternalQuery<T>), and only then, use ToTraceString()
– itsho...
How do I map lists of nested objects with Dapper
...following would probably work:
Grab the courses:
var courses = cnn.Query<Course>("select * from Courses where Category = 1 Order by CreationDate");
Grab the relevant mapping:
var mappings = cnn.Query<CourseLocation>(
"select * from CourseLocations where CourseId in @Ids",
ne...
How to implement a ViewPager with different Fragments / Layouts
...tion, I wanted to take the time and effort to explain the ViewPager with multiple Fragments and Layouts in detail. Here you go.
ViewPager with multiple Fragments and Layout files - How To
The following is a complete example of how to implement a ViewPager
with different fragment Types and dif...
Does MySQL foreign_key_checks affect the entire database?
... Does setting the foreign_key_checks on each request costly? I've got a script to upgrade the DB and I wouldn't want anybody else to be able to override the foreign key checks by default during that upgrade. So I'd make millions of queries and I wondered if a SET would be significant or not?
...
C++ cout hex values?
...
Use:
#include <iostream>
...
std::cout << std::hex << a;
There are many other options to control the exact formatting of the output number, such as leading zeros and upper/lower case.
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'printf' vs. 'cout' in C++
...able without them. However, std::cout uses a different API - the operator << API that returns itself.
Generally, that means the C version will be shorter, but in most cases it won't matter. The difference is noticeable when you print many arguments. If you have to write something like Error 2...
How can you display the Maven dependency tree for the *plugins* in your project?
...The plugin doesn't respect overriding plugin dependencies in pom.xml (tag <build><plugins><plugin><dependencies><dependency>)
– amra
Sep 30 '15 at 11:54
...
async await return Task
... it will be wrapped in Task, If you return int it will be wrapped in Task<int> and so on.
If your async method needs to return int you'd mark the return type of the method as Task<int> and you'll return plain int not the Task<int>. Compiler will convert the int to Task<int>...
How can I properly handle 404 in ASP.NET MVC?
...stError();
// Log the exception.
ILogger logger = Container.Resolve<ILogger>();
logger.Error(exception);
Response.Clear();
HttpException httpException = exception as HttpException;
RouteData routeData = new RouteData();
routeData.Values.Add("controller", "Error");
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