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Is type=“text/css” necessary in a tag?
I was wondering whether or not it is necessary to use <link rel="stylesheet" type="text/css" href=...> over <link rel="stylesheet" href=...> . The rel="stylesheet" marks the information that it is a stylesheet - so text/css doesn't actually add anything as far as I'm concerned.
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Garbage collector in Android
...n many Android answers that suggest calling the garbage collector in some situations.
11 Answers
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Checking to see if a DateTime variable has had a value assigned
Is there an easy way within C# to check to see if a DateTime instance has been assigned a value or not?
9 Answers
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Java, How do I get current index/key in “for each” loop [duplicate]
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You can't, you either need to keep the index separately:
int index = 0;
for(Element song : question) {
System.out.println("Current index is: " + (index++));
}
or use a normal for loop:
for(int i = 0; i < question.length; i++) {
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Is there a good jQuery Drag-and-drop file upload plugin? [closed]
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Have a look at this one: http://aquantum-demo.appspot.com/file-upload
It also handles multiple file upload!
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How to set a value to a file input in HTML?
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You cannot, due to security reasons.
Imagine:
<form name="foo" method="post" enctype="multipart/form-data">
<input type="file" value="c:/passwords.txt">
</form>
<script>document.foo.submit();</script>
You don't ...
How to update gradle in android studio?
...n)
File→Project Structure→Project
The following table shows compatibility between Android plugin for Gradle and Gradle:
Latest stable versions you can use with Android Studio 4.0.1 (July 2020):
Android Plugin version: 4.0.1
Gradle version: 6.1.1
Official links
Version Compatibility
Migrate ...
Delete forked repo from GitHub
I'm starting with git and GitHub and there's a project I'm watching on GitHub. I unintentionally clicked to fork it. Now it appears as a new project to me.
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Possibility of duplicate Mongo ObjectId's being generated in two different collections?
Is it possible for the same exact Mongo ObjectId to be generated for a document in two different collections? I realize that it's definitely very unlikely, but is it possible?
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How do I find the duplicates in a list and create another list with them?
...tes, something like:
a = [1,2,3,2,1,5,6,5,5,5]
import collections
print([item for item, count in collections.Counter(a).items() if count > 1])
## [1, 2, 5]
Note that Counter is not particularly efficient (timings) and probably overkill here. set will perform better. This code computes a list...