Recent questions tagged object

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object - Declaring Variables Memory Leaks

I am wondering what would be the most correct way to deal with memory when using VBScript. Should declare all variables ... , x, y, z, item See Question&Answers more detail:os...

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

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object - R aggregate data.frame with date column

I have the data frame resambling the one in the below Date Expenditure Indicator 29-01-2011 5455 212 25-01- ... keep date formatted as date. See Question&Answers more detail:os...

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

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object - Java - Defining a member that extends class A and implements interface B

I have a variable that must meet two conditions, and I want to set them in the definition I know that I ... it or storing multiple copies of it See Question&Answers more detail:os...

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

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object - How to get (first n bytes of) file from s3 url

this is a basic question, not very advanced, but I am a bit stuck. I am trying to get the first n bytes of a ... to me what the key refers to??? See Question&Answers more detail:os...

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

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564 views

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object - Java convention on reference to methods and variables

Section 10.2 of Java conventions recommends using class names instead of objects to use static variables or ... someone could explain this. See Question&Answers more detail:os...

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

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557 views

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object - making a class immutable in java

To make a class immutable what I can do is: 1)Make class final 2)do not provide setters 3)mark all variables as ... ,How to prevent this? } } See Question&Answers more detail:os...

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

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object - Python: default comparison

In Python 2.7, I define an empty new-style class: In [43]: class C(object): pass ....: then ... this -- arguably surprising -- behaviour? See Question&Answers more detail:os...

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

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892 views

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object xml is not a member of package scala

The following code in the compiler: abstract class query {def get: Unit => scala.xml.Elem} gives me the error: ... I fix this? Thanks in advance See Question&Answers more detail:os...

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

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622 views

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object array or collection in VBA Excel

i would like to have an array of objects in excel that call one event handler. specifically I have multiple buttons ... can't do that in VBA. See Question&Answers more detail:os...

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

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545 views

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object - Android: problem retrieving bitmap from database

When I'm retrieving image from the sqlite database my Bitmap object bm return null value can any one help me..? I ... }while(c.moveToNext()); } See Question&Answers more detail:os...

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

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556 views

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object - Protobuf-net dynamictype array

I wont to do some serialization with Protobuf-net and getting folowing error for this code snippet: The error: Dynamic ... using 2.0.0.651 build See Question&Answers more detail:os...

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

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553 views

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object - Generating names iteratively in R for storing plots

I'm using R to loop through a data frame, perform a calculation and to make a plot. for(i in 2 : 15){ ... out how to define an object using it. See Question&Answers more detail:os...

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

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443 views

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object - how to check both training/eval performances in tensorflow object_detection

When I check the tensorboard for observing the training performance, there only shows the eval_0 (in blue) ... to set the checkpoint_dir? See Question&Answers more detail:os...

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

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611 views

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object - C++ stack variables and heap variables

When you create a new object in C++ that lives on the stack, (the way I've mostly seen it) you ... difference between that and the top example? See Question&Answers more detail:os...

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

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729 views

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object model - Multilingual data modeling on MongoDB

I am trying to model my objects on MonogoDB and not sure how to proceed. I am building a Product catalog ... MongoDB modeling experts here :) See Question&Answers more detail:os...

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

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448 views

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object persistence in php

I am fairly new to web programming, I have mainly used java to create desktop applications in the past. I'm ... query the db each time. Thanks See Question&Answers more detail:os...

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

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557 views

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object - Java: super.clone() method and inheritance

I have a quick question regarding the clone() method in Java, used as super.clone() in regard to inheritance - ... ? That sounds logical to me. See Question&Answers more detail:os...

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

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428 views

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object - What is the difference between var thing and function thing() in JavaScript?

I was just wondering about the difference between the following declaration of JavaScript objects. Specifically, the ... new thing(); See Question&Answers more detail:os...

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

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622 views

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object - variables declaration with same name C++

Is this allowed? Class A{ ... ... }; A a; //Global object int main() { A a; // Local object . . ... variable has been declared. Is it ok? Why? See Question&Answers more detail:os...

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

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495 views

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object lifetime - __del__ method being called in python when it is not expected

I am new to python and have been working through the examples in Swaroop CH's "A Byte of Python". I am ... reusing them? ... Thanks, Eric See Question&Answers more detail:os...

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

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494 views

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object - Javascript callbacks losing 'this'

I have an issuer where I lose the 'this' inside this 'object'. The output of the following piece of ... -id'); some_box.doSomething(); See Question&Answers more detail:os...

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

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452 views

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object - Ruby forgets local variables during a while loop?

I'm processing a record-based text file: so I'm looking for a starting string which constitutes the start of ... for main:Object (NameError) # See Question&Answers more detail:os...

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

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437 views

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object - Rails 4: accepts_nested_attributes_for and mass assignment

I am trying to reproduce railscast #196 in Rails 4. However, I'm experiencing some problems. In my example I try to ... it as a form object :( See Question&Answers more detail:os...

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

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757 views

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object - Default access modifier in C#

If I will create a new object like the following, which access modifier will it have by default? Object objectA = new Object(); See Question&Answers more detail:os...

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

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635 views

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object - `new` without `delete` on same variable in Javascript

Is it OK to do this?: function mygetTime() { var d = new Date(); return(d.getTime()); } function ... new Date(); delete temp; } } See Question&Answers more detail:os...

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

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535 views

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object - Python check instances of classes

Is there any way to check if object is an instance of a class? Not an instance of a concrete class, but ... am interested in a simple solution. See Question&Answers more detail:os...

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

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705 views

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object - HTML 'td' width and height

The 'height' and 'width' are not supported in HTML5. How can I set a td's width and height while conforming to the ... > </div> </body> </html> See Question&Answers more detail:os...

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

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632 views

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object - C++ calling base class constructors

#include <iostream> #include <stdio.h> using namespace std; // Base class class Shape { public: void setWidth(int ... implicit calls like C++? See Question&Answers more detail:os...

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

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