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Finding # occurrences of a character in a string in Ruby
I'm looking for the Ruby method (1.9...) that can help me find the number of occurrences of a character in a string. I'm looking for all occurrences, not just the first one.
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C# static class constructor
Is there a work around on how to create a constructor for static class?
6 Answers
6
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jQuery pass more parameters into callback
...alue => callback(value, "Foo Bar")); // "Hello World", "Foo Bar"
As for your specific example, I haven't used the .post function in jQuery, but a quick scan of the documentation suggests the call back should be a function pointer with the following signature:
function callBack(data, textStat...
cd into directory without having permission
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thanks for the quick fix.
– RanaAlie
Sep 5 at 19:39
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Send a pull request on GitHub for only latest commit
I forked a project on github and am successfully making changes to my local master and pushing to origin on github. I want to send a pull request, but only want to include the last commit. The pull request UI on github.com shows the last 9 commits and I don't know how to filter that down.
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Test whether a Ruby class is a subclass of another class
...lass inherits from another class, but there doesn't seem to exist a method for that.
2 Answers
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How to create arguments for a Dapper query dynamically
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Yes:
var dbArgs = new DynamicParameters();
foreach(var pair in args) dbArgs.Add(pair.Key, pair.Value);
Then pass dbArgs in place of args:
var stuff = connection.Query<ExtractionRecord>(query, dbArgs);
Alternatively, you can write your own class that impleme...
How to get the home directory in Python?
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You want to use os.path.expanduser.
This will ensure it works on all platforms:
from os.path import expanduser
home = expanduser("~")
If you're on Python 3.5+ you can use pathlib.Path.home():
from pathlib import Path
home = str(Path.home())
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How do you implement a private setter when using an interface?
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In interface you can define only getter for your property
interface IFoo
{
string Name { get; }
}
However, in your class you can extend it to have a private setter -
class Foo : IFoo
{
public string Name
{
get;
private set;
}
}
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UINavigationController without navigation bar?
...roller is (obviously) an instance of UINavigationController. Seems to work for me, but I only briefly tested it before posting this.
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