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How do you implement a class in C? [closed]
...se C (no C++ or object oriented compilers) and I don't have dynamic memory allocation, what are some techniques I can use to implement a class, or a good approximation of a class? Is it always a good idea to isolate the "class" to a separate file? Assume that we can preallocate the memory by assumin...
How to create a drop-down list?
...iew:
XML:
<Spinner
android:id="@+id/spinner1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@android:drawable/btn_dropdown"
android:spinnerMode="dropdown"/>
Java:
//get the spinner from the xml.
Spinner dropdown = findVi...
How to get the name of the calling method?
...eem to work in Rails 5.2.1. In Rails controller this returns "block in make_lambda". I guess this is for Ruby only.
– dcangulo
Nov 14 '18 at 4:59
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...
Understand the “Decorator Pattern” with a real world example
...
Decorator pattern achieves a single objective of dynamically adding
responsibilities to any object.
Consider a case of a pizza shop. In the pizza shop they will sell few pizza varieties and they will also provide toppings in the menu. Now imagine a situation wherein if the piz...
MongoDB, remove object from array
...
try..
db.mycollection.update(
{'_id': ObjectId("5150a1199fac0e6910000002")},
{ $pull: { "items" : { id: 23 } } },
false,
true
);
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Interop type cannot be embedded
...
.NET 4.0 allows primary interop assemblies (or rather, the bits of it that you need) to be embedded into your assembly so that you don't need to deploy them alongside your application.
For whatever reason, this assembly can't be embe...
Sending an Intent to browser to open specific URL [duplicate]
... this line in try/catch block to prevent app crash. This could happen if really no browser app installed on target device (yeah, shoot happens) also it could be that your app was forbidden to start a browser using restrict profiles.
– Stan
Jun 12 '15 at 18:10
...
Counter increment in Bash loop not working
...ot updating. Is it due to subshell thats getting created? How can I potentially fix this?
13 Answers
...
Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)
I have installed MySQL server and trying to connect to it, but getting the error:
18 Answers
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Unexpected character encountered while parsing value
...ion (screen shot below)
JSON Parsing Code
static readonly JsonSerializer _serializer = new JsonSerializer();
static readonly HttpClient _client = new HttpClient();
static async Task<T> GetDataObjectFromAPI<T>(string apiUrl)
{
using (var stream = await _client.GetStreamAsync(apiUrl...