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Difference between ref and out parameters in .NET [duplicate]
...sn't need to be initialized but passing it as a ref parameter it has to be set to something.
int x;
Foo(out x); // OK
int y;
Foo(ref y); // Error: y should be initialized before calling the method
Ref parameters are for data that might be modified, out parameters are for data that's an additiona...
Set a default parameter value for a JavaScript function
I would like a JavaScript function to have optional arguments which I set a default on, which get used if the value isn't defined (and ignored if the value is passed). In Ruby you can do it like this:
...
How to call Android contacts list?
...ICK still work? I'm starting to think I have to roll my own cursor and use setListAdapter, like in the main question. Hmm ...
– Joe D'Andrea
Sep 24 '10 at 23:42
6
...
What characters can be used for up/down triangle (arrow without stem) for display in HTML?
...
Also, to complete the first set (up down left right - ▲▼◀▼), left is U+25C0 and right is U+25B6. I found these here: unicode.org/charts
– Nathan Long
Nov 19 '10 at 17:06
...
Auto-size dynamic text to fill fixed size container
...icDiv");
textSpan.style.fontSize = 64;
while(textSpan.offsetHeight > textDiv.offsetHeight)
{
textSpan.style.fontSize = parseInt(textSpan.style.fontSize) - 1;
}
}
</script>
</head>
<body onload="shrink()">
<div id="dynamic...
Automatic post-registration user authentication
...oles());
$this->container->get('security.token_storage')->setToken($token);
$this->container->get('session')->set('_security_main', serialize($token));
// The user is now logged in, you can redirect or do whatever.
}
}
Symfony 2.6.x - Symfony 3.0.x
A...
How to clear a notification in Android
...ubsequent notifications do not show the notification message text (which I set using setContentText) though I set the priority to 2. Any suggestions?
– Iqbal
Feb 26 '16 at 12:10
...
How to manually set an authenticated user in Spring Security / SpringMVC
...new UsernamePasswordAuthenticationToken(username, password);
token.setDetails(new WebAuthenticationDetails(request));
Authentication authentication = this.authenticationProvider.authenticate(token);
logger.debug("Logging in with [{}]", authentication.getPrincipal());
...
foreach with index [duplicate]
...ted a couple extension functions for IEnumerable called Ordinate (from the set theory term "ordinal").
These functions will return for each item a Pair object containing the index, and the item itself.
public static IEnumerable<Pair<Int32, X>> Ordinate<X>(this IEnumerable<X>...
How to filter rows in pandas by regex
...ullmatch and contains.
Note that in order to use the results for indexing, set the na=False argument (or True if you want to include NANs in the results).
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