Questions tagged [writeonly]

22 questions
26
votes
2 answers

C# compiler bug? Object initializer syntax used for write-only property in Expression makes csc crash

You may consider this a bug report, however I'm curious if I am terribly wrong here, or if there is an explanation from Eric or someone else at Microsoft. Update This is now posted as a bug on Microsoft Connect. Description Consider the following…
Dan Abramov
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9
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1 answer

How to get 'ReadOnly' or 'WriteOnly' properties from a class?

I need to get a list of properties from MyClass, excluding 'readonly' ones, can I get 'em? public class MyClass { public string Name { get; set; } public int Tracks { get; set; } public int Count { get; } public DateTime SomeDate { set;…
Shin
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5
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2 answers

CouchDB write-only database

I'm trying to setup a CouchDB database that could be publicly writable and only readable by the "admin" role. How can I do this. Is there a similar validate_doc_update function for accessing a document ?
Maxime
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4
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3 answers

An "append-only" / "write-only" hash in Ruby

I'm looking for a kind of "append-only" hash where keys may only be set once. For example: capitals = AppendOnlyHash.new capitals['france'] = 'paris' capitals['japan'] = 'tokyo' capitals['france'] = 'nice' # raises immutable exception Any library…
mahemoff
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4
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4 answers

How can I create a custom *write-only* dependency-property?

I need to know what the procedure is for making a write-only dependency-property. I can see that the DependencyProperty class does not have a special "Register" method for write-only properties, but I have no idea whether the RegisterAttached method…
Giffyguy
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3
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2 answers

Why does hasattr behave differently on classes and instances with @property method?

I implemented a write-only property in my class with @property. The weird thing is that hasattr behaves differently on the class and corresponding instance with this property. from werkzeug.security import generate_password_hash,…
Simba
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3
votes
3 answers

Java thread-safe write-only hashmap

In my Java class I include a Hashmap variable (class property) and run some Threads which write-only into that HashMap using put(): each time the write happens it stores a unique key (which is done by design). Is the synchronized keyword on a…
Sophie Sperner
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2
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1 answer

django rest framework write only field usage

I just want to know usage of write_only that is option password1,2 fields below I checked view returns fileds information without password, so i could understand roughly but cannot find what exactly write_onlyoptions usage is. please somebody…
2
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1 answer

What does "file.open(QIODevice::ReadOnly)" mean?

I am new to Qt, and I was learning on its Getting Started Page. I want to know what does the following statements mean and why are they required? In Open function: if (!file.open(QIODevice::ReadOnly)) { QMessageBox::critical(this, tr("Error"),…
Vijay
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1
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1 answer

How do I write a pseudo-write-only dependency property?

Ok, so this is just an idea I have floating in my head regarding a sort of 'pseudo-write--only' dependency property. I say sort of because I actually don't even want the value to be stored, but rather I want the value I pass to the setter to set…
Mark A. Donohoe
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1
vote
1 answer

Logback rollover on write-only filesystem

I have a Java application that has to write it's logfiles to a write-only filesystem. The current logging configuration has a TimeBasedRollingPolicy that rolls over every day. Unfortunately, the rollover fails on the write-only filesystem since a…
Gert-Jan
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1
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5 answers

Write-Only Reference in C++?

Is there a way to code a write-only reference to an object? For example, suppose there was a mutex class: template class mutex { protected: T _data; public: mutex(); void lock(); //locks the mutex void unlock(); //unlocks the…
Robert Mason
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1
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1 answer

c# ftp write only

The following code will throw an exception when i try to connect to a "write-only" ftp FtpWebRequest request = (FtpWebRequest)WebRequest.Create(ftp://...); request.Credentials = new NetworkCredential("username", "password"); request.Method =…
Matrix 2.0
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3 answers

When designing an OO language, should I avoid write-only properties?

I am designing an object-oriented programming language for the purpose of learning. The language has properties, like this: Class Fruit: Property ReadWrite Float weight Property WriteOnly Integer someWriteOnlyProperty # <-- avoid? Should I add…
user142019
0
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0 answers

openapi-python-client write-only field is required in GET request

i'm using DRF+openapi-python-client for my project. i have 2 question for now. openapi-python-client generate does not accept url for generating client generated client fileas to serialize model having write-only file field Thanx in…
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