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How do I dynamically assign properties to an object in TypeScript?
.../ the following is an error,
// so you haven't lost type safety
foo.bar = 123;
Alternatively you can mark these properties as optional:
interface IFoo{
bar?:string;
baz?:string;
boo?:string;
}
// Now your simple initialization works
var foo:IFoo = {};
Try it online
...
How do I empty an array in JavaScript?
...0,A.length)
Using .splice() will work perfectly, but since the .splice() function will return an array with all the removed items, it will actually return a copy of the original array. Benchmarks suggest that this has no effect on performance whatsoever.
Method 4 (as suggested by tanguy_k)
while...
Inspect hovered element in Chrome?
...-script-execution which helped me:
In the console:, Run:
const F12 = 123
window.addEventListener('keydown', function(event) {
if (event.keyCode === F12 ) {
debugger;
}
});
Highlight element with inspector
Hit F12
You can now inspect the element, with JavaScri...
Cookie overflow in rails application?
... :mem_cache_store, 'localhost', '127.0.0.1:11211',
{:namespace => 'myapp123'}
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#pragma pack effect
...sistency of stored data between different compiler targets. I had a lot of fun with this transitioning from 16 bit to 32 bit code; I expect porting to 64 bit code will cause the same kinds of headaches for some code.
shar...
How to print from GitHub
..., the tool is useless if it is not reliable.
– Ragnar123
Oct 28 '14 at 13:24
21
note that this op...
mfc里面的140种颜色宏 - C/C++ - 清泛网 - 专注C/C++及内核技术
...47, 112, 219) // 中紫色
#define CLR_MEDIUMSLATEBLUE RGB(123, 104, 238) // 中板岩蓝
#define CLR_SLATEBLUE RGB(106, 90, 205) // 板岩蓝
#define CLR_DARKSLATEBLUE RGB( 72, 61, 139) // 暗板岩蓝
#define CLR_LAVENDER ...
Can Python test the membership of multiple values in a list?
...peed boost is due to Python's fast c-backed implementation of set, but the fundamental algorithm is the same in both cases.
If your items are already stored in a list for other reasons, then you'll have to convert them to a set before using the subset test approach. Then the speedup drops to about ...
TFS: Updating branch with changes from main
... run tf merge /? from a Visual Studio Command Prompt.
Good luck, and have fun!
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Best way to merge two maps and sum the values of same key?
...n you learn Applicative and it's the same thing. Next?" Next are even more functional concepts. And those greatly help you structure your code and solve problems nicely.
– AndreasScheinert
Aug 16 '11 at 12:00
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