reference

问题 I have compiled my project and some of my project's added .dlls have absolute references. When I try to run my project on another machine, it looks for the .dlls from the original project path. How can I make the project look for the .dlls using a relative path? 回答1: Edit the .csproj file and change the <HintPath> elements from absolute paths to relative paths. 回答2: You may also write your handler for resolving assemblies. In the simplest form it may look like this: AppDomain.CurrentDomain

问题 I have a base class that I need to call functions on a class that is referenced in the child class. Easy enough, class base_class { public function doSomethingWithReference(){ $this->reference->doSomething(); } } class extended_class extends base_class{ protected $reference; public function __construct($ref){ $this->reference = $ref; } } Now this works fine obviously, But, when I am debugging I don't care about the value of $this->reference But, the object that $this->reference refers to is

问题 If we compare ABAP field symbols and data references with the pointer in C, we observe :- In C, say we declare a variable "var" type "integer" with default value "5". The variable "var" will be stored some where in memory, and say the memory address which holds this variable is "1000". Now we define a pointer "ptr" and this pointer is assigned to our variable. So, "ptr" will be "1000" and " *ptr " will be 5. Lets compare the above situation in ABAP. Here we declare a Field symbol "FS" and

问题 MS Visual Studio has a great feature: it automatically suggests the units to add in using clause when you typing the code with refrences to absent standard classes. Is there any 3-rd party tool to implement similar feature for Delphi? I'm tired to add all those SysUtils, Windows, Messages etc in each new unit. 回答1: If the unit which contains the reference is not yet in the uses list, this is how I save many manual steps: right-click on the underlined (error-insighted) text choose “Refactoring

问题 I saw some function declarations like this: function boo(&$var){ ... } what does the & character do? 回答1: It's a pass by reference. The variable inside the function "points" to the same data as the variable from the calling context. function foo(&$bar) { $bar = 1; } $x = 0; foo($x); echo $x; // 1 回答2: Basically if you change $var inside the function, it gets changed outside. For example: $var = 2; function f1(&$param) { $param = 5; } echo $var; //outputs 2 f1($var); echo $var; //outputs 5 回答3

问题 What is the syntax to dereference a reference in Perl? 回答1: Direct Using References Using References Circumfix Syntax [1] Postfix Syntax scalar itself $s ${$sr} $sr->$* [3] array itself @a @{$ar} $ar->@* [3] array element $a[0] ${$ar}[0] $ar->[0] array slice @a[0,1,2] @{$ar}[0,1,2] $ar->@[0,1,2] [3] array index/value slice [2] %a[0,1,2] %{$ar}[0,1,2] $ar->%[0,1,2] [3] array last index $#a $#{$ar} $ar->$#* [3] hash itself %h %{$hr} $hr->%* [3] hash element $h{'a'} ${$hr}{'a'} $hr->{'a'} hash

问题 Can you explain to me the difference between returning value, reference to value, and const reference to value? Value: Vector2D operator += (const Vector2D& vector) { this->x += vector.x; this->y += vector.y; return *this; } Not-const reference: Vector2D& operator += (const Vector2D& vector) { this->x += vector.x; this->y += vector.y; return *this; } Const reference: const Vector2D& operator += (const Vector2D& vector) { this->x += vector.x; this->y += vector.y; return *this; } What is the

问题 Can you explain to me the difference between returning value, reference to value, and const reference to value? Value: Vector2D operator += (const Vector2D& vector) { this->x += vector.x; this->y += vector.y; return *this; } Not-const reference: Vector2D& operator += (const Vector2D& vector) { this->x += vector.x; this->y += vector.y; return *this; } Const reference: const Vector2D& operator += (const Vector2D& vector) { this->x += vector.x; this->y += vector.y; return *this; } What is the

问题 I simply want to print the amount of connected MIDI inputs. What in the world am I doing wrong? Using Code::Blocks and GNU GCC Compiler. #include <windows.h> #include <mmsystem.h> #include <stdio.h> int main() { printf("%d", midiInGetNumDevs()); return 0; } I get undefined reference to `midiInGetNumDevs@0' upon compiling. midiInGetNumDevs 回答1: You need to link with with winmm.lib . In Visual Studio, you do this by adding it to the Additional Dependencies in your project properties. Right

问题 How does one get a reference the the getter and setter functions in actionscript 3? if a method is defined on the calls, e.g. public function blah():String { ...} I can get a reference to it by just saying blah or this.blah How do get a reference to public function get blah2():String {} public function set blah2(b:String):void {} Thanks! 回答1: Original response: Unfortunately, you will not be able to store references to those as functions. The getter and setter methods are actually built