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OnChange event handler for radio button (INPUT type=“radio”) doesn't work as one value
...dios to read the variable prev which holds the currently selected radio. A comparison is done within each click handler to decide if the clicked radio is the same as the one stored in prev and if not then the currently clicked radio is stored there. Within the click handler, you have access to the p...
Converting file size in bytes to human-readable string
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367
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How can I get selector from jQuery object
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Ok, so in a comment above the question asker Fidilip said that what he/she's really after is to get the path to the current element.
Here's a script that will "climb" the DOM ancestor tree and then build fairly specific selector includi...
Should Gemfile.lock be included in .gitignore?
...te all the gem dependencies each time you deploy, etc.
From cowboycoded's comment below:
If you are working on a gem, then DO NOT check in your Gemfile.lock. If you are working on a Rails app, then DO check in your Gemfile.lock.
Here's a nice article explaining what the lock file is.
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Covariance and contravariance real world example
...IEnumerable<Teacher> GetTeachers() { ... }
}
public class PersonNameComparer : IComparer<Person>
{
public int Compare(Person a, Person b)
{
if (a == null) return b == null ? 0 : -1;
return b == null ? 1 : Compare(a,b);
}
private int Compare(string a, s...
Catching multiple exception types in one catch block
....exceptions.php#example-287
RFC: https://wiki.php.net/rfc/multiple-catch
Commit: https://github.com/php/php-src/commit/0aed2cc2a440e7be17552cc669d71fdd24d1204a
For PHP before 7.1:
Despite what these other answers say, you can catch AError and BError in the same block (it is somewhat easier if ...
How to get the current taxonomy term ID (not the slug) in WordPress?
...ordPress stack exchange . Could you please check . wordpress.stackexchange.com/questions/214453/…
– user5742826
Jan 14 '16 at 10:19
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How to get image height and width using java?
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Developing for Android in Eclipse: R.java not regenerating
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community wiki
2 revs, 2 users 92%aioobe
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Random record from MongoDB
... { $match: { a: 10 } },
{ $sample: { size: 1 } }
])
As noted in the comments, when size is greater than 1, there may be duplicates in the returned document sample.
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