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Checking length of dictionary object [duplicate]
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Now that javascript has the Map object, probably better off using that and using new Map().size
– Greg Hornby
Jul 24 '19 at 23:36
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How to display HTML tags as plain text [duplicate]
... the <>s:
&lt;strong&gt;Look just like this line - so then know how to type it&lt;/strong&gt;
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ASP.NET MVC How to convert ModelState errors to json
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There are lots of different ways to do this that all work. Here is now I do it...
if (ModelState.IsValid)
{
return Json("Success");
}
else
{
return Json(ModelState.Values.SelectMany(x => x.Errors));
}
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How to find my Subversion server version number?
I want to know if my server is running Subversion 1.5.
18 Answers
18
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What's quicker and better to determine if an array key exists in PHP?
...f it exists and is not NULL; otherwise it returns its second operand.
So now you can assign a default value in case the value is null or if the key does not exist :
$var = $array[$key] ?? 'default value'
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How to hide reference counts in VS2013?
...references' indicators, that would reduce unnecessary repetition. Anybody know if that is possible?
– GONeale
Oct 28 '13 at 0:51
4
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How can I concatenate NSAttributedStrings?
...g()
result.append(left)
result.append(right)
return result
}
Now you can concatenate them just by adding them:
let helloworld = NSAttributedString(string: "Hello ") + NSAttributedString(string: "World")
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What is the best way to test for an empty string in Go?
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As of now, the Go compiler generates identical code in both cases, so it is a matter of taste. GCCGo does generate different code, but barely anyone uses it so I wouldn't worry about that.
https://godbolt.org/z/fib1x1
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How do I add options to a DropDownList using jQuery?
...not the option a) is the default selected value, and b) should be selected now, you can pass in two more parameters:
var defaultSelected = false;
var nowSelected = true;
$('#mySelect').append( new Option(text,val,defaultSelected,nowSelected) );
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Determine which MySQL configuration file is being used
...(... line. Instead I have 4 lines that end with = -1 Err#2. How do you I know now which file is loaded?
– mgPePe
Mar 17 '14 at 15:36
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