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C++11 range based loop: get item by value or reference to const
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Does the reference distinction apply to copies if you are just working with fundamental types like int/double?
– user755921
Jan 30 '16 at 22:45
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Android REST client, Sample?
...d.
*/
public abstract void onPostSuccess();
}
Note that the app doesn't use the JSON or XML (or whatever other format) returned by the REST API directly. Instead, the app only sees the bean Profile.
Then, the lower layer (AsyncTask layer) might look like this:
/**
* An AsyncTask implemen...
Error: Can't set headers after they are sent to the client
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also watch out for this classic mistake: res.redirect() doesn't stop statement execution... so return after it. Otherwise other code could be executed which could unintentiallly cause the famous header error. Thanx for the explanation!
– KLoozen
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How to declare a global variable in a .js file
...ading the variables this way as well which means that a locally scoped var doesn't clobber the global var or vice versa. For example what happens here is ambiguous:
greeting = "Aloha";
function foo() {
greeting = "Hello"; // overrides global!
}
function bar(greeting) {
alert(gree...
Extending an Object in Javascript
...n = Object.create(Person). // that's it!
Clean and clear. It's simplicity does not compromise features. Read on.
Creating an descendant/copy of Person
Note: The correct terms are prototypes, and their descendants/copies. There are no classes, and no need for instances.
const Skywalker = Object.cr...
How to make join queries using Sequelize on Node.js
...bove might look a bit complicated compared to what you posted, but what it does is basically just aliasing all columns of the users table to make sure they are placed into the correct model when returned and not mixed up with the posts model
Other than that you'll notice that it does a JOIN instead...
What is the difference between a cer, pvk, and pfx file?
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@erickson, What's the point of inventing .pvk? Doesn't .pfx suffice?
– Pacerier
Nov 19 '16 at 22:03
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Use Visual Studio web.config transform for debugging [duplicate]
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This doesn't always work well in multi-developer environments (e.g., think connection string).
– Ben Collins
Aug 2 '11 at 4:04
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Best way to select random rows PostgreSQL
...D column has to be indexed! A primary key serves nicely.
The query below does not need a sequential scan of the big table, only an index scan.
First, get estimates for the main query:
SELECT count(*) AS ct -- optional
, min(id) AS min_id
, max(id) AS max_id
, max(id...
How to specialize std::hash::operator() for user-defined type in unordered containers?
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I appreciate that you can write something that doesn't have a default constructor, but I always find that requiring each map construction to remember the additional argument is a bit of a burden -- quite a bit too much of a burden for my taste. I'm OK with an explicit tem...