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What is a “context bound” in Scala?
... the new features of Scala 2.8 are context bounds. What is a context bound and where is it useful?
4 Answers
...
How can I remove a character from a string using Javascript?
...g.prototype.removeCharAt = function (i) {
var tmp = this.split(''); // convert to an array
tmp.splice(i - 1 , 1); // remove 1 element from the array (adjusting for non-zero-indexed counts)
return tmp.join(''); // reconstruct the string
}
console.log("crt/r2002_2".removeCharAt(4));
Sin...
Using two values for one switch case statement
...er
November
December
Using Strings in switch Statements
In Java SE 7 and later, you can use a String object in the switch
statement's expression. The following code example, ,
displays the number of the month based on the value of the String
named month:
public class StringSwitchDemo {...
How to embed a video into GitHub README.md?
...demo on github.
I used gifyoutube here, but I recommend using a local gif converter (like ffmpeg, see how) instead of an online one.
To record your screen to gif directly, you may want to check ScreenToGif.
share
...
Tricky Google interview question
... = 0; // Index for 5
int x2 = 2 * v[i2]; // Next two candidates
int x5 = 5 * v[i5];
for (int i = 1; i != n; ++i)
{
int m = std::min(x2, x5);
std::cout << m << " ";
v[i] = m;
if (x2 == m)
{
++i2;
...
Why is an int in OCaml only 31 bits?
...d bit is used for garbage collection. But why is it that way only for ints and not for the other basic types?
5 Answers
...
Cleaning `Inf` values from an R dataframe
...ar)
dat %>% rationalize()
Which return a data frame with all Inf are converted to NA.
Timings compared to some above solutions. Code:
library(hablar)
library(data.table)
dat <- data.frame(a = rep(c(1,Inf), 1e6), b = rep(c(Inf,2), 1e6),
c = rep(c('a','b'),1e6),d = rep(c(...
What is TypeScript and why would I use it in place of JavaScript? [closed]
...ercome any kind of issues caused by incorrect or missing definition files.
Converting from JavaScript to TypeScript
Any .js file can be renamed to a .ts file and ran through the TypeScript compiler to get syntactically the same JavaScript code as an output (if it was syntactically correct in the fir...
What is a method that can be used to increment letters?
...
You can try this
console.log( 'a'.charCodeAt(0))
First convert it to Ascii number .. Increment it .. then convert from Ascii to char..
var nex = 'a'.charCodeAt(0);
console.log(nex)
$('#btn1').on('click', function() {
var curr = String.fromCharCode(nex++)
console.log(curr)
...
C语言面试那些事儿──一道指针与数组问题 - c++1y / stl - 清泛IT社区，为创新赋能！
首先看如下代码：
int main(int argc, char** argv)
{
int a[5] = {1,2,3,4,5};
int* ptr = (int*)(&a + 1);
printf("%d,%d\n", *(a+1), *(ptr-1));
return 0;
}复制代码这道题在很多所谓经典C语言面试题里是常见...