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C# equivalent of the IsNull() function in SQL Server
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return Expression;
}
}
//When Expression is string (Can not send Null value in string Expression
public static string isEmpty(string Expression, string Value)
{
if (Expression == "")
{
return Value;
}
else
{
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Java / Android - How to print out a full stack trace?
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There's overrides of all the log methods with (String tag, String msg, Throwable tr) signatures.
Passing an exception as the third parameter should give you the full stacktrace in logcat.
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Is there a way to instantiate objects from a string holding their class name?
... T> Base * createInstance() { return new T; }
typedef std::map<std::string, Base*(*)()> map_type;
map_type map;
map["DerivedA"] = &createInstance<DerivedA>;
map["DerivedB"] = &createInstance<DerivedB>;
And then you can do
return map[some_string]();
Getting a new ...
How do I parse a string with a decimal point to a double?
I want to parse a string like "3.5" to a double. However,
18 Answers
18
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Generate URL in HTML helper
...rn ((Controller)htmlHelper.ViewContext.Controller).Url;
const string itemKey = "HtmlHelper_UrlHelper";
if (htmlHelper.ViewContext.HttpContext.Items[itemKey] == null)
htmlHelper.ViewContext.HttpContext.Items[itemKey] = new UrlHelper(htmlHelper.ViewContext.Req...
How do I turn a python datetime into a string, with readable format date?
How do I turn that into a string?:
7 Answers
7
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How do I trim a file extension from a String in Java?
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str.substring(0, str.lastIndexOf('.'))
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How to navigate a few folders up?
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Other simple way is to do this:
string path = @"C:\Folder1\Folder2\Folder3\Folder4";
string newPath = Path.GetFullPath(Path.Combine(path, @"..\..\"));
Note This goes two levels up. The result would be:
newPath = @"C:\Folder1\Folder2\";
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How To Test if Type is Primitive
...e can think that are primitives, but they aren´t, for example Decimal and String.
Edit 1: Added sample code
Here is a sample code:
if (t.IsPrimitive || t == typeof(Decimal) || t == typeof(String) || ... )
{
// Is Primitive, or Decimal, or String
}
Edit 2: As @SLaks comments, there are othe...
Splitting string with pipe character (“|”) [duplicate]
I'm not able to split values from this string:
5 Answers
5
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