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Can I change a private readonly field in C# using reflection?
...ingFlags.Instance | BindingFlags.NonPublic);
field.SetValue(test, "Hello");
Console.WriteLine(test.foo);
}
}
This works fine. (Java has different rules, interestingly - you have to explicitly set the Field to be accessible, and it will only work for instance fields anyw...
Whitespace Matching Regex - Java
...off the starting and trailing whitespaces as well.
String sampleString = "Hello world!";
sampleString.replaceAll("\\s{2}", " "); // replaces exactly two consecutive spaces
sampleString.replaceAll("\\s{2,}", " "); // replaces two or more consecutive white spaces
...
Remove specific characters from a string in Python
...?.!/;:':
... line = line.replace(char,'')
...
>>> print line
HELLO
You don't have to do the nested if/for loop thing, but you DO need to check each character individually.
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im...
How to code a BAT file to always run as admin mode?
...le executing. I've tried running very simple batch files that just echo a "Hello World" and they too fail in this manner. This is very frustrating. I have, so far, not been able to find a solution.
– Jonathan Elkins
Sep 14 '17 at 21:06
...
Append an object to a list in R in amortized constant time, O(1)?
...methods
}
Use them as follows:
> l <- expandingList()
> l$add("hello")
> l$add("world")
> l$add(101)
> l$as.list()
[[1]]
[1] "hello"
[[2]]
[1] "world"
[[3]]
[1] 101
These solutions could be expanded into full objects that support al list-related operations by themselves, but...
Error installing mysql2: Failed to build gem native extension
...
Hello, I'm using Ubuntu 12.04 with Ruby 1.9.3 and Rails 3.2.8 and in my case, installing libmysqlclient-dev was sufficient.
– S.M.Mousavi
Nov 10 '12 at 12:21
...
How to append to a file in Node?
...in writeFile to append data to an existing file.
fs.writeFile('log.txt', 'Hello Node', {'flag':'a'}, function(err) {
if (err) {
return console.error(err);
}
});
By passing flag 'a', data will be appended at the end of the file.
...
In Javascript, how to conditionally add a member to an object?
...
...(false) && {nonprop: "foo"},
...({}) && {tricky: "hello"},
}
console.log(obj);
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Should all Python classes extend object?
..."A simple example class"""
i = 12345
def f(self):
return 'hello world'
Another quote:
Generally speaking, instance variables are for data unique to each
instance and class variables are for attributes and methods shared by
all instances of the class:
class Dog:
kind...
How do I create a file and write to it in Java?
...gram {
public static void main(String[] args) {
String text = "Hello world";
BufferedWriter output = null;
try {
File file = new File("example.txt");
output = new BufferedWriter(new FileWriter(file));
output.write(text);
} catch...