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Regex how to match an optional character
I have a regex that I thought was working correctly until now. I need to match on an optional character. It may be there or it may not.
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Ruby optional parameters
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Time has moved on and since version 2 Ruby supports named parameters:
def ldap_get ( base_dn, filter, scope: "some_scope", attrs: nil )
p attrs
end
ldap_get("first_arg", "second_arg", attrs: "attr1, attr2") # => "attr1...
Static member initialization in a class template
I'd like to do this:
3 Answers
3
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How do I programmatically determine if there are uncommitted changes?
In a Makefile, I'd like to perform certain actions if there are uncommitted changes (either in the working tree or the index). What's the cleanest and most efficient way to do that? A command that exits with a return value of zero in one case and non-zero in the other would suit my purposes.
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how do i block or restrict special characters from input fields with jquery?
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Hi KevSheedy, thanks for taking the time to test this out. Sorry I did not make it clear enough. The problem was that I also had allowOtherCharSets: false and allowCaseless: false. These interfered with the settings set in allow. From my point of view, I think ...
How can I test that a value is “greater than or equal to” in Jasmine?
...t.
Include that before you 'boot'. The basic matchers are loaded at boot time.
Your html file should look like this:
<!-- jasmine test framework-->
<script type="text/javascript" src="lib/jasmine-2.0.0/jasmine.js"></script>
<script type="text/javascript" src="lib/jasmine-2.0...
In C# what is the difference between a destructor and a Finalize method in a class?
...n't both override and declare a new member with identical name at the same time so having both a destructor and a Finalize method will result in an error (but you can, although not recommended, declare a public new void Finalize() method if you're not declaring a destructor).
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Is it a bad practice to use negative margins in Android?
...margin. instead you should use translate. Even if negative margin work sometime, when you change layout programmably, translate would help. And view can't overflow the screen wen you use margin.
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Remove insignificant trailing zeros from a number?
...1200234: "0.12"
0.000001231: "0"
0.10001: "0.1000"
"asdf": "NaN" (so no runtime error)
The somewhat problematic case is 0.10001. I ended up using this longer version:
r = (+n).toFixed(4);
if (r.match(/\./)) {
r = r.replace(/\.?0+$/, '');
}
1234870.98762341: "1234870.9876"
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