Initializing order

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by: Dan Perl | last post by:

There is something with initializing mutable class attributes that I am struggling with. I'll use an example to explain: class Father: attr1=None # this is OK attr2= # this is wrong...

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Initializing static class member

by: Avi Uziel | last post by:

Hi All, I'm writing a Windows DLL which contain some utility classes. One of my classes is Singleton, therefore contain some static members. I'm using VC6 and linking to the DLL statically. ...

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Error when initializing static variables

by: Diebels | last post by:

Hi, I have some problems using static variables which results in a core dump. I have attached code and coredump to the end of my message. I am trying to implement a kind of factory design. I...

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I've got this bit of code, and I can't really explain to myself why it does what it does.... int func1() { static int r=0; return(++r); } int

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Initializing constants

by: newsposter0123 | last post by:

The code block below initialized a r/w variable (usually .bss) to the value of pi. One, of many, problem is any linked compilation unit may change the global variable. Adjusting // rodata const...

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Quick question about initializing

by: eriwik | last post by:

Given a simple class like class test { private: size_t size_; int* data_; public: test(size_t s) : size_(s), data_(new int { /* ... */ };

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Good practice question: Declaring/Initializing variables inside or outside a loop ?

by: SM | last post by:

I've always wonder if there is diference when declaring and initializing a varible inside/outside a loop. What's a better practice? Declaring and initializing variables inside a loop routine,...

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initializing bitset with variable number of bits

by: zacariaz | last post by:

The subject isnt very clear, but ill do my best to explain. In a class in need a bitset which size is defined by the constructor, e.g. something like this: class Example { std::bitset<?>Bs;...

C / C++

About initializing non-local object

by: WaterWalk | last post by:

Hello. When I consult the ISO C++ standard, I notice that in paragraph 3.6.2.1, the standard states: "Objects with static storage duration shall be zero-initialized before any other...

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How to turn on java script in a villaon keypad mobile phone

by: Charles Arthur | last post by:

How do i turn on java script on a villaon, callus and itel keypad mobile phone

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Batch import of multiple excel files into the database

by: ryjfgjl | last post by:

If we have dozens or hundreds of excel to import into the database, if we use the excel import function provided by database editors such as navicat, it will be extremely tedious and time-consuming...

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Merging data from multiple Excel files

by: ryjfgjl | last post by:

In our work, we often receive Excel tables with data in the same format. If we want to analyze these data, it can be difficult to analyze them because the data is spread across multiple Excel files...

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Looking to do Android software development, any suggestions? Is flutter better?

by: nemocccc | last post by:

hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?

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How to build RAID in BIOS?

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There are some requirements for setting up RAID: 1. The motherboard and BIOS support RAID configuration. 2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...

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What is ONU?

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ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However,...

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Problem With Comparison Operator <=> in G++

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Hello folks, I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>". The problem is that using the GNU compilers,...

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Maximizing Business Potential: The Nexus of Website Design and Digital Marketing

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In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven...

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The easy way to turn off automatic updates for Windows 10/11

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Overview: Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows...

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