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MongoDB Many-to-Many Association
...34000000000aa9","5783300334000000000aa943","6c6793300334001000000006"]
}
and set up the roles like:
{_id:"6c6793300334001000000006"
,rolename:"Engineer"
}
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What is the difference between and ? [duplicate]
...ble piece of code I use the directive <%@include file="reuse.html"%> and in the second I use the tag <jsp:include page="reuse.html" />.
Let the code in the reusable file be :
<html>
<head>
<title>reusable</title>
<meta http-equiv="Content-Type" conten...
How to add Options Menu to Fragment in Android
...Bundle) to notify the fragment that it should participate in options menu handling.
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CSS way to horizontally align table
... a table using CSS. Conforming browsers ought to center tables if the left and right margins are equal. The simplest way to accomplish this is to set the left and right margins to “auto.” Thus, one might write in a style sheet:
table
{
margin-left: auto;
margin-right: auto;
}
But th...
Difference between Service, Async Task & Thread?
...em are used to do some stuff in background. So, how to decide which to use and when?
6 Answers
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What does addChildViewController actually do?
I'm just dipping my feet for the first time into iOS development, and one of the first things I've had to do is implement a custom container view controller - lets call it SideBarViewController - that swaps out which of several possible child view controllers it shows, almost exactly like a stan...
Swift: Testing optionals for nil
...
For those who are new to swift as I am and are wondering: You still have to unwrap xyz inside the if block. It's safe though, even if you force unwrap
– Omar
Jun 10 '19 at 1:05
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Transfer-Encoding: gzip vs. Content-Encoding: gzip
...er requests
regarding that content (e.g., PUT or conditional GET) to be handled
correctly. This is, of course, why performing on-the-fly
content-encoding is a stupid idea, and why I added Transfer-Encoding
to HTTP as the proper way to do on-the-fly encoding without changing
the resource.
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Disable git EOL Conversions
...le. Most of the time, it should look like below (or this screen-shot):
# Handle line endings automatically for files detected as text
# and leave all files detected as binary untouched.
* text=auto
# Never modify line endings of our bash scripts
*.sh -crlf
#
# The above will handle all files NOT...
What does .SD stand for in data.table in R
...ks useful but I do not really know what I am doing with it. What does it stand for? Why is there a preceding period (full stop). What is happening when I use it?
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