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One DbContext per web request… why?
I have been reading a lot of articles explaining how to set up Entity Framework's DbContext so that only one is created and used per HTTP web request using various DI frameworks.
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Returning binary file from controller in ASP.NET Web API
...sCode.OK);
var stream = new FileStream(path, FileMode.Open, FileAccess.Read);
result.Content = new StreamContent(stream);
result.Content.Headers.ContentType =
new MediaTypeHeaderValue("application/octet-stream");
return result;
}
A few things to note about the stream used:...
Which C++ idioms are deprecated in C++11?
... I think typename result_of<F(Args...)::type can sometimes be easier to read than decltype(std::declval<F>()(std::declval<Args>()...), and with the acceptance of N3436 into the working paper they both work for SFINAE (which used to be an advantage of decltype that result_of didn't off...
Visibility of global variables in imported modules
...ad to look for another solution. Now we use environment variables that are read by each module that needs them. It's not really OOP compliant but that's it. This works only when the globals do not change during the code execution.
– rimetnac
Nov 6 '19 at 14:49
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Getting all file names from a folder using C# [duplicate]
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I would recommend you google 'Read objects in folder'. You might need to create a reader and a list and let the reader read all the object names in the folder and add them to the list in n loops.
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Ways to save enums in database
..." +
"VALUES ('Ian Boyd', %s)".format(theSuit.name());
and then read back with:
Suit theSuit = Suit.valueOf(reader["Suit"]);
The problem was in the past staring at Enterprise Manager and trying to decipher:
Name Suit
================== ==========
Shelby Jackson 2
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python requests file upload
...he filename. Then after the open is executed, multiple records appear with read access. After executing the requests.post, the records are still there indicating that the file did not close.
– Demetris
Oct 11 '19 at 7:06
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Getting the HTTP Referrer in ASP.NET
...Referrer property of the current request:
Request.UrlReferrer
This will read the Referer HTTP header from the request which may or may not be supplied by the client (user agent).
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Android 4.3 Bluetooth Low Energy unstable
...on't forget to call android.bluetooth.BluetoothGatt#close()
Start a new thread inside onLeScan(..) and then connect. Reason: BluetoothDevice#connectGatt(Context context, boolean autoConnect, BluetoothGattCallback callback) always fails, if called inside LeScanCallback() {...}.onLeScan(BluetoothDevi...
HTML: Include, or exclude, optional closing tags?
...al tags (unless I have a very good reason not to) because it lends to more readable and updateable code.
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