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Structs versus classes
I'm about to create 100,000 objects in code. They are small ones, only with 2 or 3 properties. I'll put them in a generic list and when they are, I'll loop them and check value a and maybe update value b .
...
Sticky sidebar: stick to bottom when scrolling down, top when scrolling up
....header {
background-color: #6289AE;
margin-bottom: 10px;
height: 100px;
}
.sidebar {
position: absolute;
padding: 10px;
background-color: #ccc;
height: 300px;
width: 100px;
float: left;
}
.main {
background-color: #ccc;
height: 600px;
margin-left: 110px;
}
...
Looking for a good world map generation algorithm [closed]
...ranges values to what shows up on the map. If your "height" goes from 0 to 100, then make 0 - 20 water, 20 - 30 beach, 30 - 80 grass, 80 - 100 mountains. I think notch did something similar to this in minicraft, but I'm not an expert, I'm just in a diamond square mindset after finally getting it wor...
Is there a way to detect if a browser window is not currently active?
...he API does not raise events when the visibility cannot be determined with 100% accuracy (e.g. Alt+Tab to switch to another application).
Using focus/blur based methods gives you a lot of false positive. For example, if the user displays a smaller window on top of the browser window, the browser win...
CSS z-index paradox flower
...absolute;
z-index : 1;
top : 0;
left : 0;
height : 100%;
width : 100%;
/* inherit border, background and border-radius */
background : inherit;
border-bottom : inherit;
border-radius : inherit;
/* only show the bottom area of the pseudoelement */
...
Best way to compare two complex objects
... It depends on how many times he's going to run the equals method: 1, 10, 100, 100, a million? That will make a big difference. If he can use a generic solution without implementing anything he will spare some precious time. If it's too slow, then it's time to implement IEquatable (and perhaps even...
I just discovered why all ASP.Net websites are slow, and I am trying to work out what to do about it
...nswered Feb 20 '19 at 18:22
rabz100rabz100
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...
Swift 编程语言入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...放在末尾来确保循环至少执行一次。
var n = 2
while n < 100 {
n = n * 2
}
n
var m = 2
do {
m = m * 2
} while m < 100
m
你可以在循环中保持一个索引，通过 ".." 来表示索引范围或明确声明一个初始值、条件、增量。这两个循环...
Accessing private member variables from prototype-defined functions
...unction(x) { return this._set(x); }
use case:
js>i = new Incrementer(100);
[object Object]
js>i.increment()
100
js>i.increment()
101
js>i.increment()
102
js>i.increment()
103
js>i.set(-44)
js>i.increment()
-44
js>i.increment()
-43
js>i.increment()
-42
...
NodeJS: Saving a base64-encoded image to disk
...anvas.getContext('2d'); context.fillStyle = "#f89"; context.fillRect(50,50,100,100);
– mahemoff
Aug 4 '11 at 19:29
Oka...