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How to check in Javascript if one element is contained within another
... answers as well.
Old answer:
Using the parentNode property should work. It's also pretty safe from a cross-browser standpoint. If the relationship is known to be one level deep, you could check it simply:
if (element2.parentNode == element1) { ... }
If the the child can be nested arbitrarily d...
Malloc vs new — different padding
...r communications between (potentially) different machines on different architectures. He's written a comment that says something along the lines of:
...
Android Studio vs Eclipse + ADT Plugin? [closed]
...e for using IntelliJ over Android Studio is if you're using the Ultimate edition. It has a lot more plugins that you can use with the IDE. If you're using the Ultimate edition already and don't want to use two IDE's simultaneously, there is no reason to switch over to Android Studio (except bleeding...
Preserve line breaks in angularjs
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Based on @pilau s answer - but with an improvement that even the accepted answer does not have.
<div class="angular-with-newlines" ng-repeat="item in items">
{{item.description}}
</div>
/* in the css file or in a style block */
.angular-wit...
When do we need curly braces around shell variables?
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In this particular example, it makes no difference. However, the {} in ${} are useful if you want to expand the variable foo in the string
"${foo}bar"
since "$foobar" would instead expand the variable identified by foobar.
Curly braces are also unco...
Get last n lines of a file, similar to tail
I'm writing a log file viewer for a web application and for that I want to paginate through the lines of the log file. The items in the file are line based with the newest item on the bottom.
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Can I use git diff on untracked files?
Is it possible to ask git diff to include untracked files in its diff output, or is my best bet to use git add on the newly created files and the existing files I have edited, then use:
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Java Generics: Cannot cast List to List? [duplicate]
Just come across with this problem:
10 Answers
10
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MySQL - SELECT WHERE field IN (subquery) - Extremely slow why?
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Rewrite the query into this
SELECT st1.*, st2.relevant_field FROM sometable st1
INNER JOIN sometable st2 ON (st1.relevant_field = st2.relevant_field)
GROUP BY st1.id /* list a unique sometable field here*/
HAVING COUNT(*) > ...
What does (x ^ 0x1) != 0 mean?
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The XOR operation (x ^ 0x1) inverts bit 0. So the expression effectively means: if bit 0 of x is 0, or any other bit of x is 1, then the expression is true.
Conversely the expression is false if x == 1.
So the test is the same as:
if (x != 1)
and is therefo...