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What are valid values for the id attribute in HTML?
...ill never wonder "was it firstName or FirstName?" because you will always know that you should type first_name. Prefer camel case? Then limit yourself to that, no hyphens or underscores, and always, consistently use either upper-case or lower-case for the first character, don't mix them.
A now ve...
Can't use Swift classes inside Objective-C
...sa. I marked my swift class with @objc but it didn't help. What can I do now?
25 Answers
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PHP_SELF vs PATH_INFO vs SCRIPT_NAME vs REQUEST_URI
...xample.com/index.php/faq/whatever . I need a reliable way for a script to know what it's address is, so it will know what to do with the navigation. I've used mod_rewrite , as per CodeIgniter documentation.
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Removing colors from output
...ou're not trying to match a pipe character. But that's not important right now.)
If you switch that final match in your command to [mGK] or (m|G|K), you should be able to catch that extra control sequence.
./somescript | sed -r "s/\x1B\[([0-9]{1,3}(;[0-9]{1,2})?)?[mGK]//g"
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Possibility of duplicate Mongo ObjectId's being generated in two different collections?
...ee possibilities can occur where you won't get a unique ID (please let me know if there are more):
Before this discussion, recall that the BSON Object ID consists of:
[4 bytes seconds since epoch, 3 bytes machine hash, 2 bytes process ID, 3 bytes counter]
Here are the three possibilities, so you ...
Setting default value for TypeScript object passed as argument
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Actually, there appears to now be a simple way. The following code works in TypeScript 1.5:
function sayName({ first, last = 'Smith' }: {first: string; last?: string }): void {
const name = first + ' ' + last;
console.log(name);
}
sayName({ first...
Sort a list by multiple attributes?
...th sort on 2 criteria and use reverse=True. In case someone else wants to know how, you can wrap your criteria (functions) in parenthesis:
s = sorted(my_list, key=lambda i: ( criteria_1(i), criteria_2(i) ), reverse=True)
s...
What does the “yield” keyword do?
... print(i)
0
1
4
Here it's a useless example, but it's handy when you know your function will return a huge set of values that you will only need to read once.
To master yield, you must understand that when you call the function, the code you have written in the function body does not run. The ...
Optional query string parameters in ASP.NET Web API
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This issue has been fixed in the regular release of MVC4.
Now you can do:
public string GetFindBooks(string author="", string title="", string isbn="", string somethingelse="", DateTime? date= null)
{
// ...
}
and everything will work out of the box.
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Regex to validate password strength
...ed to include your test case @PriyankBolia. See new robulink, which should now work.
– lsu_guy
Sep 18 at 19:56
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