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How to do a logical OR operation in shell scripting
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From Bash Reference Manual → 3.4.2 Special Parameters
#
($#) Expands to the number of positional parameters in decimal.
Therefore, $# will always be either 0 or a bigger integer.
So if you want to do something whenever $# is either 0 or bigger than 1, you jus...
get dictionary value by key
...s true or false based on whether the key is found or not, and sets its out parameter to the corresponding value if the key is there.
If you want to check if the key is there or not and do something when it's missing, you need something like this:
bool hasValue = Data_Array.TryGetValue("XML_File", ...
How to get base url with jquery or javascript?
...e, pathname gives you the path segment of the url, href contains the query params as well
– dschulten
Jul 8 '17 at 12:27
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How to select distinct rows in a datatable and store into an array
...able:
dataTable.DefaultView.ToTable(true, "employeeid");
Where:
first parameter in ToTable() is a boolean which indicates whether you want distinct rows or not.
second parameter in the ToTable() is the column name based on which we have to select distinct rows. Only these columns will be in the...
How do you set up use HttpOnly cookies in PHP
...er
The setcookie() and setrawcookie() functions, introduced the httponly parameter, back in the dark ages of PHP 5.2.0, making this nice and easy. Simply set the 7th parameter to true, as per the syntax
Function syntax simplified for brevity
setcookie( $name, $value, $expire, $path, $domain, ...
Where IN clause in LINQ [duplicate]
... it as an extension method:
public static bool In<T>(this T source, params T[] list)
{
return list.Contains(source);
}
Now you call:
var states = _objdatasources.StateList().Where(s => s.In(countrycodes));
You can pass individual values too:
var states = tooManyStates.Where(s =&g...
SQL Server - SELECT FROM stored procedure
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what if, we need to send parameters to mulple stored procedures and combine them into one one big stored procedure? Can view, take parameters, like stored procedures does
– mrN
Aug 18 '11 at 7:14
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@Scope(“prototype”) bean scope not creating new bean
...'s a very easy (and elegant) way to achieve that.
You can just change the params proxyMode and value of the @Scope annotation.
With this trick you can avoid to write extra code or to inject the ApplicationContext every time that you need a prototype inside a singleton bean.
Example:
@Service
@S...
Int or Number DataType for DataAnnotation validation attribute
...', [], function (options) {
options.rules['numeric'] = options.params;
options.messages['numeric'] = options.message;
}
);
}
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Difference between Convert.ToString() and .ToString()
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var arg = Request.Params.Get("__EVENTARGUMENT"); string _arg = Convert.ToString(arg); _arg is not returing String.Empty when arg is null. why?
– vml19
Mar 12 '12 at 3:33
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