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Setting PayPal return URL and making it auto return?
... Account Overview page appears.
Click the gear icon top right.
The Profile Summary page appears.
Click the My Selling Preferences link in the left column.
Under the Selling Online section, click the Update link in the row for Website Preferences.
The Website Payment Preferences page appe...
Is it necessary to write HEAD, BODY and HTML tags?
...ttps://google.github.io/styleguide/htmlcssguide.html#Optional_Tags
For file size optimization and scannability purposes, consider
omitting optional tags. The HTML5 specification defines what tags can
be omitted.
(This approach may require a grace period to be established as a wider
gu...
In C# what is the difference between a destructor and a Finalize method in a class?
... the unmanaged recources in the dispose
method like database connection, files etc. The class implementing
dispose method should implement IDisposable interface.A Dispose method
should call the GC.SuppressFinalize method for the object it is
disposing if the class has desturctor because it h...
How to send POST request in JSON using HTTPClient in Android?
...lease have a look into the GSON library. It is capable of parsing the JSON file into Java objects.
– JJD
Apr 11 '13 at 9:28
...
Is AngularJS just for single-page applications (SPAs)?
...gular-app/angular-app). The biggest thing to remember is to load in the js files just like you would in any other project. All you have to do is make sure the different pages reference the correct Angular object (controller, view, etc.) and you are off and running. I hope this makes sense, but the a...
Mongodb Explain for Aggregation framework
...d $group) further manipulation will be in-memory (possibly using temporary files if the allowDiskUse option is set).
Optimizing pipelines
In general, you can optimize aggregation pipelines by:
Starting a pipeline with a $match stage to restrict processing to relevant documents.
Ensuring the init...
Is CSS Turing complete?
...s Turing-complete so long as you consider an appropriate accompanying HTML file and user interactions to be part of the “execution” of CSS. A pretty good implementation is available, and another implementation is included here:
body {
-webkit-animation: bugfix infinite 1s;
margin:...
Is it possible to make a type only movable and not copyable?
...have management/ownership of some resource (e.g. a memory allocation, or a file handle) and its very unlikely that a byte copy will correctly duplicate this ownership.
"Well... what's an implicit copy?"
Think about a primitive type like u8: a byte copy is simple, just copy the single byte, and a s...
What exactly does Perl's “bless” do?
... Techniques by Damian Conway for useful examples) or even a reference to a file or directory handle (least common case).
The effect bless-ing has is that it allows you to apply special syntax to the blessed reference.
For example, if a blessed reference is stored in $obj (associated by bless with...
Is there documentation for the Rails column types?
...two states, like on/off)
Binary:
Use to store images, movies, and other files in their original, raw format in chunks of data called blobs
:primary_key
This datatype is a placeholder that Rails translates into whatever primary key datatype your database of choice requires (i.e. serial primar...