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Recent questions tagged Object

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object detection - OpenCV detectMultiScale() minNeighbors parameter

I'm currently using Haar classifiers, to detect objects. On my way, I didn't understand what is the ... anybody define the neighboring idea? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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431 views

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object - Can I use blocks to manage memory consumtion in C++?

I'm trying to gain some memory saving in a C++ program and I want to know if I can use blocks as a ... to be destroyed when exiting the block? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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427 views

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object comparison - Java Integer pool. Why?

I've read everywhere that when you define an Integer between -128 to 127 in Java, instead of creating a ... why is this behaviour happening. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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468 views

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object - How to cleanly initialize attributes in Ruby with new?

class Foo attr_accessor :name, :age, :email, :gender, :height def initalize params @name = params[:name] @age = params[ ... in Ruby? Ruby 1.9.3 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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675 views

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object - Do Ruby 'require' statements go inside or outside the class definition?

When using class files in Ruby, do you put the 'requires' statements at the top of the file, or inside the class definition? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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758 views

1 answer

object - Get first element in PHP stdObject

I have an object (stored as $videos) that looks like this object(stdClass)#19 (3) { [0]=> object(stdClass) ... looping? Is it possible? Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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490 views

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object - What's the difference between the square bracket and dot notations in Python?

I come from a Javascript background (where properties can be accessed through both . and [] notation), so please forgive ... use a . in Python? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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411 views

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object - How to force Java to reload class upon instantiation?

Background: I have a MainTest class that has many buttons, each of which instantiate a class that I am coding/testing ... source), to no avail. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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446 views

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object - Returning a "NULL reference" in C++?

In dynamically typed languages like JavaScript or PHP, I often do functions such as: function getSomething(name) ... that would be appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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541 views

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object - VBA Check if variable is empty

I have an object and within it I wanna check if some properties is set to false, like: If (not objresult.EOF) ... > null - return Empty as well! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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464 views

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object - Angular 4 default radio button checked by default

I'm trying to mark as a default a radiobutton depending on the value I get from my object, it can be True or ... true or false set in rule.mode. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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868 views

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object - jQuery: this.attr() not a function?

I'm not quite sure if I'm not using this in the correct scope or what, but I have a script that basically ... exists. How can I achieve this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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637 views

1 answer

object - Why do ints require three times as much memory in Python?

On a 64-bit system an integer in Python takes 24 bytes. This is 3 times the memory that would be needed in e ... would be nice to know for sure. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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624 views

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object - Python interpreter error, x takes no arguments (1 given)

I'm writing a small piece of python as a homework assignment, and I'm not getting it to run! I don't ... arguments! Thanks for the help, Linus See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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507 views

1 answer

object - Why does ("foo" === new String("foo")) evaluate to false in JavaScript?

I was going to start using === (triple equals, strict comparison) all the time when comparing string ... variables to strings before comparing? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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