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What is the difference between localStorage, sessionStorage, session and cookies?
...ta stored in localStorage and sessionStorage can easily be read or changed from within the client/browser so should not be relied upon for storage of sensitive or security-related data within applications.
Cookies
This is also true for cookies, these can be trivially tampered with by the user, an...
Difference between margin and padding?
...r, whereas margin is the space outside the border. Here's an image I found from a quick Google search, that illustrates this idea.
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Why are dates calculated from January 1st, 1970?
...ing is standard.
Two Dozen Epochs
Time in computing is not always tracked from the beginning of 1970 UTC. While that epoch reference is popular, various computing environments over the decades have used at least nearly two dozen epochs. Some are from other centuries. They range from year 0 (zero) t...
How to convert a DOM node list to an array in Javascript?
... you can now can use in modern environments the spread syntax or the Array.from method:
const array = [ ...nodeList ] // or Array.from(nodeList)
But thinking about it, I guess the most common use case to convert a NodeList to an Array is to iterate over it, and now the NodeList.prototype object h...
Parsing a comma-delimited std::string [duplicate]
...weren't there at all. Just for example, we'll read comma-delimited numbers from input, and write then out one-per line on standard output:
#include <algorithm>
#include <iterator>
#include <iostream>
int main() {
std::cin.imbue(std::locale(std::locale(), new csv_reader()));
...
Character reading from file in Python
...
Ref: http://docs.python.org/howto/unicode
Reading Unicode from a file is therefore simple:
import codecs
with codecs.open('unicode.rst', encoding='utf-8') as f:
for line in f:
print repr(line)
It's also possible to open files in update mode, allowing both reading and ...
CORS - What is the motivation behind introducing preflight requests?
...echanism that allows a web page to make XMLHttpRequests to another domain (from wikipedia ).
10 Answers
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How can I remove an element from a list, with lodash?
...ike this
_.remove(obj.subTopics, {
subTopicId: stToDelete
});
Apart from that, you can pass a predicate function whose result will be used to determine if the current element has to be removed or not.
_.remove(obj.subTopics, function(currentObject) {
return currentObject.subTopicId === s...
Adding a Method to an Existing Object Instance
...rary/new.html
In the example below I've deliberately removed return value from patch_me() function.
I think that giving return value may make one believe that patch returns a new object, which is not true - it modifies the incoming one. Probably this can facilitate a more disciplined use of monkeyp...
Creating .pem file for APNS?
...
Here is what I did, From:blog.boxedice.com and "iPhone Advanced Projects" chapter 10 byJoe Pezzillo.
With the aps_developer_identity.cer in the keychain:
Launch Keychain Access from your local Mac and from the login keychain, filter by the Ce...