大约有 47,000 项符合查询结果（耗时：0.0689秒） [XML]
Get current URL with jQuery?
...
Far from killing it, jQuery's given Javascript a new life. Do new C#/Java programmers understand pointers? No. Do they need to? Not really, newer abstractions are powerful enough for it not to matter..
– fle...
Displaying Windows command prompt output and redirecting it to a file
... it will work, but you will get stuck if the command wait a input from stdin.
– Vitim.us
Apr 18 '13 at 16:03
5
...
Int division: Why is the result of 1/3 == 0?
...r question, you can do 1.0/3 ; the 1.0 is a double.
If you get the values from elsewhere you can use (double) to turn the int into a double.
int x = ...;
int y = ...;
double value = ((double) x) / y;
share
|
...
How to create a Custom Dialog box in android?
...
@chintankhetiya and if u want to pass data from dialog to activity? how will we do it?
– Alvin
Sep 17 '14 at 11:26
2
...
Put icon inside input element in a form
...e image is positioned over (z axis) the input, so it blocks clicks over it from focusing on the input (this can be observed in the snippet). It's possible to resolve by sending the image under the input
– G0BLiN
Jul 12 at 19:20
...
Contains case insensitive
...
From ES2016 you can also use slightly better / easier / more elegant method (case-sensitive):
if (referrer.includes("Ral")) { ... }
or (case-insensitive):
if (referrer.toLowerCase().includes(someString.toLowerCase())) { ....
How to inherit constructors?
...rray. It also makes it easy to carry forward since anything that inherits from Foo can still get to, or even add to, FooParams as needed. You still need to copy the constructor, but you always (most of the time) only (as a general rule) ever (at least, for now) need one constructor.
public class ...
Ruby, !! operator (a/k/a the double-bang) [duplicate]
...n negate the negation. It's useful because you can use it to get a boolean from any value. The first ! will convert the argument to a boolean, e.g. true if it's nil or false, and false otherwise. The second will negate that again so that you get the boolean value of the argument, false for nil or fa...
How to insert a new line in Linux shell script? [duplicate]
...ak a line using `` at the end of a line. But that's a very different topic from what was asked here.
– janos
Oct 28 '16 at 11:10
add a comment
|
...
Swift double to string
...
It is not casting, it is creating a string from a value with a format.
let a: Double = 1.5
let b: String = String(format: "%f", a)
print("b: \(b)") // b: 1.500000
With a different format:
let c: String = String(format: "%.1f", a)
print("c: \(c)") // c: 1.5
You can...