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Why is it impossible to override a getter-only property and add a setter? [closed]
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Because the writer of Baseclass has explicitly declared that Bar has to be a read-only property. It doesn't make sense for derivations to break this contract and make it read-write.
I'm with Microsoft on this one.
Let's say I'm a new programmer w...
Will code in a Finally statement fire if I return a value in a Try block?
... another try/catch block, your finally block won't execute. This is easily demonstrated - and if I hadn't seen it myself, given how often I've read that it's only really weird, tiny corner-cases that can cause a finally block not to execute, I wouldn't have believed it.
static void Main(string[] ar...
Get MIME type from filename extension
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Samuel NeffSamuel Neff
64.8k1616 gold badges120120 silver badges163163 bronze badges
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How can I print a circular structure in a JSON-like format?
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Use JSON.stringify with a custom replacer. For example:
// Demo: Circular reference
var circ = {};
circ.circ = circ;
// Note: cache should not be re-used by repeated calls to JSON.stringify.
var cache = [];
JSON.stringify(circ, (key, value) => {
if (typeof value === 'object' &a...
A variable modified inside a while loop is not remembered
... alternative way that works in the old shell?
– user9645
Dec 5 '19 at 19:50
1
@AvinashYadav The p...
SQL Server String or binary data would be truncated
... 8152 in any error output if trace flag 460 is enabled.
db<>fiddle demo
ALTER DATABASE SCOPED CONFIGURATION
VERBOSE_TRUNCATION_WARNINGS = { ON | OFF }
APPLIES TO: SQL Server (Starting with SQL Server 2019 (15.x)) and Azure SQL Database
Allows you to enable or disable th...
DaffyMenu 扩展:弹出菜单扩展,为组件添加弹出式菜单功能 · App Inventor 2 中文网
... 下载链接
扩展文件:
com.gordonlu.daffymenu.aix
demo:
Test.aia
功能概述
扩展特性
弹出式菜单:为任何组件添加右键菜单功能
自定义选项:支持添加多个菜单项
事件响应:处理...
Visual Studio: How to “Copy to Output Directory” without copying the folder structure?
...ry to the root folder VS2017:
<ItemGroup Condition="'$(Platform)' == 'x64'">
<None Include="Libs\x64\**" Link="\%(Filename)%(Extension)" CopyToOutputDirectory="PreserveNewest" />
</ItemGroup>
<ItemGroup Condition="'$(Platform)' == 'x86'">
<None Include="Libs\x86\*...
Threading pool similar to the multiprocessing Pool?
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I just found out that there actually is a thread-based Pool interface in the multiprocessing module, however it is hidden somewhat and not properly documented.
It can be imported via
from multiprocessing.pool import ThreadPool
It is implemented using a dummy Process cla...
Difference between __getattr__ vs __getattribute__
...ve from object, old-style classes are those in Python 2.x with no explicit base class. But the distinction between old-style and new-style classes is not the important one when choosing between __getattr__ and __getattribute__.
You almost certainly want __getattr__.
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