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Does C# have extension properties?
...t syntactic sugar adding a possibility to define an extended property like string Data(this MyClass instance) as an alias for extension method string GetData(this MyClass instance) as it stores data into the class.
I hope that C#7 will provide a full featured extension everything (properties and fi...
Alternatives to gprof [closed]
...of scalar values. As soon as you, for example, change it into a sort using string-compare, it is still a bottleneck, but program counter sampling will not see it because now the hotspot is in string-compare. On the other hand if it were to sample the extended program counter (the call stack), the po...
How to get position of a certain element in strings vector, to use it as an index in ints vector?
I am trying to get the index of an element in a vector of strings , to use it as an index in another vector of int type, is this possible ?
...
Call static method with reflection
...me.EndsWith("PrettyPrinter"))
.Select(t => (Func<object, string>)Delegate.CreateDelegate(
typeof(Func<object, string>),
null,
t.GetMethod("Print", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Publi...
Unique Key constraints for multiple columns in Entity Framework
...
EF 6 and below:
First approach:
dbContext.Database.ExecuteSqlCommand(string.Format(
@"CREATE UNIQUE INDEX LX_{0} ON {0} ({1})",
"Entitys", "FirstColumn, SecondColumn"));
This approach is very fast and useful but the main problem is th...
C++ convert hex string to signed integer
I want to convert a hex string to a 32 bit signed integer in C++.
9 Answers
9
...
A Java API to generate Java source files [closed]
...ortDeclaration id = ast.newImportDeclaration();
id.setName(ast.newName(new String[] { "java", "util", "Set" }));
cu.imports().add(id);
TypeDeclaration td = ast.newTypeDeclaration();
td.setName(ast.newSimpleName("Foo"));
TypeParameter tp = ast.newTypeParameter();
tp.setName(ast.newSimpleName("X"));
...
Sending HTTP POST Request In Java
... well defined format. We need to convert our input to this format:
Map<String,String> arguments = new HashMap<>();
arguments.put("username", "root");
arguments.put("password", "sjh76HSn!"); // This is a fake password obviously
StringJoiner sj = new StringJoiner("&");
for(Map.Entry&l...
Setting default value for TypeScript object passed as argument
...ks in TypeScript 1.5:
function sayName({ first, last = 'Smith' }: {first: string; last?: string }): void {
const name = first + ' ' + last;
console.log(name);
}
sayName({ first: 'Bob' });
The trick is to first put in brackets what keys you want to pick from the argument object, with key=valu...
How to get all subsets of a set? (powerset)
... you need to modify the resulting output (e.g. joining the letters to form strings) writing a custom recipe utilizing generators and building up the output you want (e.g. adding together two strings) can be much faster.
– Ceasar Bautista
Feb 23 '18 at 7:48
...