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Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]
...-----------------------------------+------------------------------------
unset| false false true false true true | false false false false true true
null | false false true false true true | false false false false true true
space| false true true true true false| true true true true f...
Multi-statement Table Valued Function vs Inline Table Valued Function
...tored procedure is a lot faster than a table valued function for large datasets. I'm sticking with stored procs over multi-statement table valued functions.
– Kekoa
Aug 23 '11 at 20:04
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What blocks Ruby, Python to get Javascript V8 speed? [closed]
... it probably does make more sense to focus on language and library feature set over speed optimization.
The side benefit of this is that we have two great high performance open source JavaScript engines that can and are being re-purposed for all manner of applications such as Node.js.
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Can I set up HTML/Email Templates with ASP.NET?
...ing on a site that will send out a significant number of emails. I want to set up both header and footer text, or maybe even templates to allow the users to easily edit these emails if they need to.
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Passing Objects By Reference or Value in C#
...
}
//Class to test
public class Person{
public string FirstName {get; set;}
public string LastName {get; set;}
public string printName(){
return $"First name: {FirstName} Last name:{LastName}";
}
}
public static void WontUpdate(Person p)
{
//New instance does jack...
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Why does std::getline() skip input after a formatted extraction?
...presents the boundary between sequences of input. This particular overload sets the delimiter to the newline character input.widen('\n') by default since one was not supplied.
Now, these are a few of the conditions whereby std::getline() terminates input:
If the stream has extracted the maximum amo...
How do I sort strings alphabetically while accounting for value when a string is numeric?
...e, i really like this one - very clever. Sorry if i didnt provide the full set of initial data
– sf.
Jun 18 '11 at 21:42
3
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Best way to iterate through a Perl array
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
Direct casting vs 'as' operator?
...tty much what went wrong.
With the as operator, if o isn't a string, s is set to null, which is handy if you're unsure and want to test s:
string s = o as string;
if ( s == null )
{
// well that's not good!
gotoPlanB();
}
However, if you don't perform that test, you'll use s later and ha...
Django Rest Framework: Dynamically return subset of fields
...Django Rest Framework based API which enables the user to select only a subset of fields per resource.
8 Answers
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