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Nullable ToString()
...you call ToString() on something that is supposed to be null, you usually expect a NullReferenceException, although here it isn't thrown.
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ASP.NET MVC 4 Custom Authorize Attribute with Permission Codes (without roles)
...essLevel { get; set; }
protected override bool AuthorizeCore(HttpContextBase httpContext)
{
var isAuthorized = base.AuthorizeCore(httpContext);
if (!isAuthorized)
{
return false;
}
string privilegeLevels = string.Join("", ...
How to include an '&' character in a bash curl statement
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When I use quotes around the whole URL the expression ${i} doesn't return a value.
– Chernoff
Nov 12 '12 at 14:44
2
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How to obtain the number of CPUs/cores in Linux from the command line?
...ores /proc/cpuinfo | uniq | awk '{print $4}'
which should return (for example) 8 (whereas the command above would return 16)
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Pass mouse events through absolutely-positioned element
...ers. At the time this question was posted, I don’t think pointer-events existed! I may switch the accepted answer over to this one at some point.
– s4y
Jun 23 '11 at 14:53
17
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Assignment in an if statement
...d you can declare dog using var of course.)
Of course you could write an extension method:
public static void AsIf<T>(this object value, Action<T> action) where T : class
{
T t = value as T;
if (t != null)
{
action(t);
}
}
Then call it with:
animal.AsIf<Do...
How to host google web fonts on my own server?
...ent.com/static/fonts/cantarell/v3/Yir4ZDsCn4g1kWopdg-ehHhCUOGz7vYGh680lGh-uXM.woff) format('woff');
}
becomes this:
/* Your local CSS File */
@font-face {
font-family: 'Cantarell';
font-style: normal;
font-weight: 700;
src: local('Cantarell Bold'), local(...
Difference between single and double quotes in Bash
...
Single quotes won't interpolate anything, but double quotes will. For example: variables, backticks, certain \ escapes, etc.
Example:
$ echo "$(echo "upg")"
upg
$ echo '$(echo "upg")'
$(echo "upg")
The Bash manual has this to say:
3.1.2.2 Single Quotes
Enclosing characters in singl...
Error when testing on iOS simulator: Couldn't register with the bootstrap server
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warning: implicit declaration of function
...for which the compiler has not seen a declaration ("prototype") yet.
For example:
int main()
{
fun(2, "21"); /* The compiler has not seen the declaration. */
return 0;
}
int fun(int x, char *p)
{
/* ... */
}
You need to declare your function before main, like this, either dir...