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How is mime type of an uploaded file determined by browser?
...of writing) has 3 ways to determine the MIME type and does so in a certain order. The snippet below is from file src/net/base/mime_util.cc, method MimeUtil::GetMimeTypeFromExtensionHelper.
// We implement the same algorithm as Mozilla for mapping a file extension to
// a mime type. That is, we firs...
How to articulate the difference between asynchronous and parallel programming?
...
It is a question of order of execution.
If A is asynchronous with B, then I cannot predict beforehand when subparts of A will happen with respect to subparts of B.
If A is parallel with B, then things in A are happening at the same time as thi...
Managing relationships in Laravel, adhering to the repository pattern
...).
The tricky part
I often use repositories inside of my repositories in order to do some database actions.
Any repository which implements Eloquent in order to handle data will likely return Eloquent models. In that light, it's fine if your Course model uses built-in relationships in order to re...
Writing Unicode text to a text file?
...al, use UTF-8 for writing to files (we don't even have to worry about byte-order with utf-8).
encoding = 'utf-8'
utf-8 is the most modern and universally usable encoding - it works in all web browsers, most text-editors (see your settings if you have issues) and most terminals/shells.
On Windows...
Is there a “null coalescing” operator in JavaScript?
...
The for(var i in arguments) doesn't guarantee iteration order, according to MDN. See also Why is JavaScript's For…In loop not recommended for arrays? and Why is using “for…in” with array iteration such a bad idea?.
– MvG
Aug 17 '15 at...
How do you get a string from a MemoryStream?
...e string we just wrote to it.
' We need to set the position to 0 in order to read
' from the beginning.
ms.Position = 0
Dim sr As New StreamReader(ms)
Dim myStr = sr.ReadToEnd()
Console.WriteLine(myStr)
' We can dispose our StreamWriter and StreamReader
...
How to design RESTful search/filtering? [closed]
... a search. You do not have to literally create something in a database in order to use a POST.
For example:
Accept: application/json
Content-Type: application/json
POST http://example.com/people/searches
{
"terms": {
"ssn": "123456789"
},
"order": { ... },
...
}
You are creating a...
ExecutorService, how to wait for all tasks to finish
...
What if in order for a task to finish it must schedule further tasks? For example, you could make a multithreaded tree traversal which hands off branches to worker threads. In that case, since the ExecutorService is shut down instantly ...
How do I convert an interval into a number of hours with postgres?
...
select floor((date_part('epoch', order_time - '2016-09-05 00:00:00') / 3600)), count(*)
from od_a_week
group by floor((date_part('epoch', order_time - '2016-09-05 00:00:00') / 3600));
The ::int conversion follows the principle of rounding.
If you want a di...
Why does Java allow us to compile a class with a name different than the file name?
...nvention, the classpath class loader might need to open and parse files in order to find classes
– Andrei Nicusan
Nov 25 '13 at 14:45
...