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How to check if an object is nullable?
...ype<T>(T obj)
{
return default(T) == null && typeof(T).BaseType != null && "ValueType".Equals(typeof(T).BaseType.Name);
}
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Passing Objects By Reference or Value in C#
...
}
//Class to test
public class Person{
public string FirstName {get; set;}
public string LastName {get; set;}
public string printName(){
return $"First name: {FirstName} Last name:{LastName}";
}
}
public static void WontUpdate(Person p)
{
//New instance does jack...
...
How do I get a UTC Timestamp in JavaScript?
...that way use the local timezone, making the constructed date incorrect. To set the timezone of a certain date object is to construct it from a date string that includes the timezone. (I had problems getting that to work in an older Android browser.)
Note that getTime() returns milliseconds, not plai...
What are these ^M's that keep showing up in my files in emacs?
...
In git-config, set core.autocrlf to true to make git automatically convert line endings correctly for your platform, e.g. run this command for a global setting:
git config --global core.autocrlf true
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自动生成Linux下Makefile全攻略（automake原理） - C/C++ - 清泛网 - 专注C/C++及内核技术
... assume program is part of Cygnus-style tree
--foreign set strictness to foreign
--gnits set strictness to gnits
--gnu set strictness to gnu
Library files:
-a, --add-missing add missing standard files to package
--libdir=DIR...
Random number from a range in a Bash Script
I need to generate a random port number between 2000-65000 from a shell script. The problem is $RANDOM is a 15-bit number, so I'm stuck!
...
PHP “php://input” vs $_POST
... before transmitting them to the server. You can override this behavior by setting processData: false. Just read the $.ajax() documentation, and don't forget to send the correct media type in the Content-Type header.
URL encoding? What the heck!!!???
Typically, if you are doing a normal, synchrono...
In Ruby, is there an Array method that combines 'select' and 'map'?
I have a Ruby array containing some string values. I need to:
14 Answers
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Call by name vs call by value in Scala, clarification needed
As I understand it, in Scala, a function may be called either
16 Answers
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Two-dimensional array in Swift
...ned by @0x7fffffff in comments):
// 2 dimensional array of arrays of Ints set to 0. Arrays size is 10x5
var arr = Array(count: 3, repeatedValue: Array(count: 2, repeatedValue: 0))
// ...and for Swift 3+:
var arr = Array(repeating: Array(repeating: 0, count: 2), count: 3)
Change element at positi...