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In TypeScript we can do like this:
```TypeScript
abstract class A {
abstract value(): number;
}
class A1 extends A {
value(): number {
return 0;
}
}
class A2 extends A {
val…
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Following the enablement of arbitrary XCM execution on [Kusama](https://github.com/polkadot-fellows/runtimes/pull/261) and [Polkadot](https://github.com/polkadot-fellows/runtimes/pull/345) system chai…
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Day 1 Assignment
Mafeng Daniel
Part 1: Introduction to Software Engineering
A. Explain what software engineering is and discuss its importance in the technology industry.
**Software Engineering** is a…
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## Search Terms
type defination, functional type defination, meta, meta programming, dynamic type declaration
## Suggestion
Write a function to define types.
## Use Cases
Build a more c…
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赞美APL：一种歌词式编程语言
Professor Alan J. Perlis / Yale University / First appeared in SIAM News, 1977-06. http://www.jsoftware.com/papers/perlis77.htm
Many reasons can be given for teaching one or more…
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Something coming out of the discussions about operator overloading was a healthy amount of bias and opinions regarding the "complexity budget" for one if not both of the issues I have opened up here #…
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Take this function for example:
``` ruby
Contract Num, Num => ArrayOf[ArrayOf[nil]]
def twod_array(w, h)
...
end
```
This function returns a 2d array of the given width and height. It would be…
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* KOReader version: 2020.10.1
* Device: reMarkable1
#### Issue
When viewing a pdf and rotating -90 or +90 degrees logically, and rotating the device physically to match, to view in landscape mode…
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/cc @carlosedp @mithro @cmarqu @mgielda @PiotrZierhoffer @kgugala @qarlosalberto @smgl9 @Nic30 @pepijndevos @drom @cavearr @juanmard @olofk @gojimmypi @ghuntley @mickaelistria @trabucayre @Paebbels
…
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Root issue is with a configuration of the following form:
```vhdl
configuration foo_cfg_empty_bah of foo_tb.foo is
for rtl -- foo(rtl)
for u_bar : bar_dsn.bar
for rtl -- bar(rtl)
…