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How to change the type of a field?
...ase, it looks like you're trying to change the $type from 1 (double) to 2 (string).
So simply load the document from the DB, perform the cast (new String(x)) and then save the document again.
If you need to do this programmatically and entirely from the shell, you can use the find(...).forEach(fun...
Get property value from string using reflection
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public static object GetPropValue(object src, string propName)
{
return src.GetType().GetProperty(propName).GetValue(src, null);
}
Of course, you will want to add validation and whatnot, but that is the gist of it.
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How to easily initialize a list of Tuples?
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c# 7.0 lets you do this:
var tupleList = new List<(int, string)>
{
(1, "cow"),
(5, "chickens"),
(1, "airplane")
};
If you don't need a List, but just an array, you can do:
var tupleList = new(int, string)[]
{
(1, "cow"),
(5, "chickens"),...
How can I print variable and string on same line in Python?
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Use , to separate strings and variables while printing:
print "If there was a birth every 7 seconds, there would be: ",births,"births"
, in print statement separates the items by a single space:
>>> print "foo","bar","spam"
foo bar s...
What is the proper way to check for null values?
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What about
string y = (Session["key"] ?? "none").ToString();
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How to get the list of properties of a class?
...ties();
for example:
class Foo {
public int A {get;set;}
public string B {get;set;}
}
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Foo foo = new Foo {A = 1, B = "abc"};
foreach(var prop in foo.GetType().GetProperties()) {
Console.WriteLine("{0}={1}", prop.Name, prop.GetValue(foo, null));
}
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String.replaceAll single backslashes with double backslashes
I'm trying to convert the String \something\ into the String \\something\\ using replaceAll , but I keep getting all kinds of errors. I thought this was the solution:
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How to make the python interpreter correctly handle non-ASCII characters in string operations?
I have a string that looks like so:
11 Answers
11
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Check if a string is html or not
I have a certain string for which I want to check if it is a html or not. I am using regex for the same but not getting the proper result.
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Find an item in List by LINQ?
Here I have a simple example to find an item in a list of strings. Normally I use for loop or anonymous delegate to do it like this:
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