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How to start new activity on button click
In an Android application, how do you start a new activity (GUI) when a button in another activity is clicked, and how do you pass data between these two activities?
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How to cancel/abort jQuery AJAX request?
...process the request even if we abort the request but the client will not wait for/handle the response.
The xhr object also contains a readyState which contains the state of the request(UNSENT-0, OPENED-1, HEADERS_RECEIVED-2, LOADING-3 and DONE-4). we can use this to check whether the previous reque...
Difference in make_shared and normal shared_ptr in C++
...wo.
Where do the heap-allocations happen?
std::shared_ptr manages two entities:
the control block (stores meta data such as ref-counts, type-erased deleter, etc)
the object being managed
std::make_shared performs a single heap-allocation accounting for the space necessary for both the control ...
Javascript: get package.json data in gulpfile.js
...ic question per-se, but how would one get info from the package.json file within the gulpfile.js; For instance, I want to get the homepage or the name and use it in a task.
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I need to get all the cookies from the browser
...ed to get all the cookies stored in my browser using JavaScript. How can it be done?
9 Answers
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Convert integer into its character equivalent, where 0 => a, 1 => b, etc
I want to convert an integer into its character equivalent based on the alphabet. For example:
12 Answers
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Parsing a JSON string in Ruby
...on gem.
There are also other implementations of JSON for Ruby that may fit some use-cases better:
YAJL C Bindings for Ruby
JSON::Stream
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What is the best way to find the users home directory in Java?
The difficulty is that it should be cross platform. Windows 2000, XP, Vista, OSX, Linux, other unix variants. I am looking for a snippet of code that can accomplish this for all platforms, and a way to detect the platform.
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Meaning of 'const' last in a function declaration of a class?
...ecause you can mark a member as mutable and a const method can then change it. It's mostly used for internal counters and stuff. The solution for that would be the below code.
#include <iostream>
class MyClass
{
private:
mutable int counter;
public:
MyClass() : counter(0) {}
vo...
What is the documents directory (NSDocumentDirectory)?
...xplain to me what the documents directory is on an iOS app and when to use it?
9 Answers
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