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How to export a Vagrant virtual machine to transfer it
...l be completed during provisioning of the new vagrant box (via Chef/Puppet/what-have-you).
– Hovis Biddle
Apr 4 '16 at 0:50
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How to call a function from a string stored in a variable?
... answer below if you are dealing with classes and methods. I didn't expect what I found.
– Chris K
Jan 28 '13 at 23:16
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How do I get the currently displayed fragment?
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Exactly what I was looking for when dealing with onBackPressed() after screen rotation with a Navigation Drawer. Thanks for coming back to share this.
– ShortFuse
Aug 27 '14 at 19:16
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What does java:comp/env/ do?
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what if there are more /-es in your lookup? Like: "java:com/env/foo/bar", is your jndiName value "foo/bar" or "foo.bar"?
– Pieter De Bie
Jun 5 '15 at 7:15
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JavaScript hashmap equivalent
...lar JavaScript dictionary. After all, you are in the best position to know what makes your objects unique. That's what I do.
Example:
var key = function(obj){
// Some unique object-dependent key
return obj.totallyUniqueEmployeeIdKey; // Just an example
};
var dict = {};
dict[key(obj1)] = obj1;...
Difference between getContext() , getApplicationContext() , getBaseContext() and “this”
What is the difference between getContext() , getApplicationContext() , getBaseContext() , and " this "?
8 Answers
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HTTP POST with URL query parameters — good idea or not? [closed]
...line. GET, PUT and DELETE methods are required to be idempotent. Imagine what would happen in your application if the client was pre-fetching every possible GET request for your service – if this would cause side effects visible to the client, then something's wrong.
I agree that sending a POST...
What is the size of an enum in C?
...eger type". Not necessarily int. short and long are integer types too, and whatever the implementation picks, all values must fit ("shall be capable of representing the values of all the members of the enumeration").
– user824425
Feb 18 '16 at 17:45
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How are software license keys generated?
...Obscurity , although I really have no idea how license keys are generated. What is a good (secure) example of license key generation? What cryptographic primitive (if any) are they using? Is it a message digest? If so, what data would they be hashing? What methods do developers employ to make it dif...
When to use extern in C++
...urce files. For it to work, the definition of the x variable needs to have what's called “external linkage”, which basically means that it needs to be declared outside of a function (at what's usually called “the file scope”) and without the static keyword.
header:
#ifndef HEADER_H
#define...