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How to highlight text using javascript
...etElementById("inputText");
var innerHTML = inputText.innerHTML;
var index = innerHTML.indexOf(text);
if (index >= 0) {
innerHTML = innerHTML.substring(0,index) + "<span class='highlight'>" + innerHTML.substring(index,index+text.length) + "</span>" + innerHTML.substring(...
What is the difference between the kernel space and the user space?
...al_Descriptor_Table
the segment registers CS, DS, etc., which point to the index of an entry in the GDT.
For example, CS = 0 means the first entry of the GDT is currently active for the executing code.
What can each ring do?
The CPU chip is physically built so that:
ring 0 can do anything
ri...
What is a CSRF token ? What is its importance and how does it work?
...an application (Django, it so happens) and I just want an idea of what actually a "CSRF token" is and how it protects the data. Is the post data not safe if you do not use CSRF tokens?
...
What is “export default” in javascript?
...strate this line with a simple example.
Lets say we have 3 modules and an index.html:
modul.js
modul2.js
modul3.js
index.html
modul.js
export function hello() {
console.log("Modul: Saying hello!");
}
export let variable = 123;
modul2.js
export function hello2() {
console.log("Modul...
What is the best way to iterate over a dictionary?
.... For that, LINQ provides ElementAt which enables the following:
for (int index = 0; index < dictionary.Count; index++) {
var item = dictionary.ElementAt(index);
var itemKey = item.Key;
var itemValue = item.Value;
}
...
What does .SD stand for in data.table in R
...keep smart/strict control over the ordering of when we create the numbered index and when we use it.
Controlling a Model's RHS
Varying model specification is a core feature of robust statistical analysis. Let's try and predict a pitcher's ERA (Earned Runs Average, a measure of performance) using t...
What does “./” (dot slash) refer to in terms of an HTML file path location?
...
./ is the the folder that the working file is in:
So in /index.htm ./ is the root directory
but in /css/style.css ./ is the css folder.
This is important to remember because if you move CSS from /index.htm to /css/style.css the path will change.
...
Getting an object from an NSSet
If you can't get an object with objectAtIndex: from an NSSet then how do you retrieve objects?
8 Answers
...
Undo “git add ”?
...
To remove a directory and everything inside it from the index,
git rm --cached -r dir
The --cached switch makes git rm operate on the index only and not touch the working copy. The -r switch makes it recursive.
...
How do I delete rows in a data frame?
...ven by the '-' operator" -> This is a very misleading wording. Negative indexes are removed and that's it, there is no notion of complement. If you work with logical and try using - it won't work, because the complement operator for logicals is !. The complement of c(2,4,6) in the rows would rath...