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Difference between System.DateTime.Now and System.DateTime.Today
...t gets the UTC time (via the GetSystemTimeAsFileTime function in the Win32 API) and then it converts the value to the local time zone. (Therefore DateTime.Now.ToUniversalTime() is more expensive than DateTime.UtcNow.)
Also note that DateTimeOffset.Now.DateTime will have similar values to DateTime....
What is the difference between ApplicationContext and WebApplicationContext in Spring MVC?
...ionContext interface, and add a method for retrieving the standard Servlet API ServletContext for the web application.
In addition to the standard Spring bean scopes singleton and prototype, there are three additional scopes available in a web application context:
request - scopes a single bean d...
LINQ to Entities case sensitive comparison
...xpression tree. The LINQ expression tree is then passed to Object Services API, which converts the expression tree to a command tree. It is then sent to the store provider (e.g. SqlClient), which convert the command tree into the native database command text. Query get executed on the data store and...
What is the difference between __dirname and ./ in node.js?
...
You can use ./ or process.cwd(). see nodejs.org/api/process.html#process_process_cwd
– fent
Jul 24 '14 at 17:14
...
Why use Ruby's attr_accessor, attr_reader and attr_writer?
...sier to write classes which will work correctly no matter how their public API is called.
class Person
attr_accessor :age
...
end
Here, I can see that I may both read and write the age.
class Person
attr_reader :age
...
end
Here, I can see that I may only read the age. Imagine that it...
Gson custom seralizer for one variable (of many) in an object using TypeAdapter
... that gives you hooks to modify the outgoing data. This example uses a new API in Gson 2.2 called getDelegateAdapter() that allows you to look up the adapter that Gson would use by default. The delegate adapters are extremely handy if you just want to tweak the standard behavior. And unlike full cus...
Difference between ProcessBuilder and Runtime.exec()
...
see docs.oracle.com/javase/7/docs/api/java/lang/… to set environment after getting them via environment method...
– ilke Muhtaroglu
Nov 5 '18 at 10:37
...
Execute Insert command and return inserted Id in Sql
...ted, not the ID. Use ExecuteScalar instead docs.microsoft.com/en-us/dotnet/api/…
– Brandtware
Dec 18 '17 at 14:26
...
Unix tail equivalent command in Windows Powershell
... FileSystem provider. GC can be used on any provider that implements that API. The only way besides documentation that I know to discover these is to use (gcm Get-Content).Parameters from within the appropriate provider path. Don't use the alias "gc" because the dynamic parameters will not show u...
Using custom std::set comparator
.../en.cppreference.com/w/cpp/container/set/find C++14 has added two new find APIs:
template< class K > iterator find( const K& x );
template< class K > const_iterator find( const K& x ) const;
which allow you to do:
main.cpp
#include <cassert>
#include <set>
class...