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How to count certain elements in array?
...point. Obviously you would create a function that hides the loop. These "I don't want to use the right tool for the job" -requests never made much sense to me. And we can argue what is most elegant. E.g. for me, making a function call per element to just to compare it to a value is not elegant.
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How to handle change of checkbox using jQuery?
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Use :checkbox selector:
$(':checkbox').change(function() {
// do stuff here. It will fire on any checkbox change
});
Code: http://jsfiddle.net/s6fe9/
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In Objective-C, how do I test the object type?
...nt to test to see if it is an NSString, the code would be:
[myObject isKindOfClass:[NSString class]]
Likewise, if you wanted to test myObject for a UIImageView:
[myObject isKindOfClass:[UIImageView class]]
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How do I send an HTML email?
...displays in plain text. I want the content to be able to display html. How do I do it? Here is roughly what I have:
10 Answ...
How do I get the last inserted ID of a MySQL table in PHP?
...requently inserted. I need to get the very last ID of the table. How can I do this?
21 Answers
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How do I get the find command to print out the file size with the file name?
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Your answer does not exclude directories, so you will end up running ls on directories as well, which clearly is not the right thing to do.
– Faheem Mitha
Nov 7 '14 at 10:08
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How do I align views at the bottom of the screen?
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The modern way to do this is to have a ConstraintLayout and constrain the bottom of the view to the bottom of the ConstraintLayout with app:layout_constraintBottom_toBottomOf="parent"
The example below creates a FloatingActionButton that will...
How do I check if an array includes a value in JavaScript?
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Modern browsers have Array#includes, which does exactly that and is widely supported by everyone except IE:
console.log(['joe', 'jane', 'mary'].includes('jane')); //true
You can also use Array#indexOf, which is less direct, but doesn't require polyfills for ...
How can one change the timestamp of an old commit in Git?
...ge the dates of commit 119f9ecf58069b265ab22f1f97d2b648faf932e0, you could do so with something like this:
git filter-branch --env-filter \
'if [ $GIT_COMMIT = 119f9ecf58069b265ab22f1f97d2b648faf932e0 ]
then
export GIT_AUTHOR_DATE="Fri Jan 2 21:38:53 2009 -0800"
export GI...
How to enable PHP's openssl extension to install Composer?
...m getting a warning message for not enabling openssl which I had already done in WAMP.
18 Answers
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