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Shrink a YouTube video to responsive width
...strap.com/components/#responsive-embed
There's some example code below.
<!-- 16:9 aspect ratio -->
<div class="embed-responsive embed-responsive-16by9">
<iframe class="embed-responsive-item" src="..."></iframe>
</div>
<!-- 4:3 aspect ratio -->
<div class="...
Remove HTML tags from a String
...stomizable whitelist, which is very useful if you want to allow only e.g. <b>, <i> and <u>.
See also:
RegEx match open tags except XHTML self-contained tags
What are the pros and cons of the leading Java HTML parsers?
XSS prevention in JSP/Servlet web application
...
How to merge 2 JSON objects from 2 files using jq?
I'm using the jq tools (jq-json-processor) in shell script to parse json.
6 Answers
...
string.Join on a List or other type
....NET 4.0 where there is an overload that does what you want:
String.Join<T>(String, IEnumerable<T>)
If you can't upgrade, you can achieve the same effect using Select and ToArray.
return string.Join(",", a.Select(x => x.ToString()).ToArray());
...
jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
...jar.
The dependency should be in the provided scope, rather than the default compile scope, in your Maven pom:
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>pr...
Pick a random value from an enum?
...
The only thing I would suggest is caching the result of values() because each call copies an array. Also, don't create a Random every time. Keep one. Other than that what you're doing is fine. So:
public enum Letter {
A,
B,
C,
//...
private static final List<L...
How to use Comparator in Java to sort
I learned how to use the comparable but I'm having difficulty with the Comparator. I am having a error in my code:
14 Answ...
Remove icon/logo from action bar on android
...
If you've defined android:logo="..." in the <application> tag of your AndroidManifest.xml, then you need to use this stuff to hide the icon:
pre-v11 theme
<item name="logo">@android:color/transparent</item>
v11 and up theme
<item name="android:...
How can I make an svg scale with its parent container?
...espect to the containing page.
For instance, if you have the following:
<svg>
<polygon fill=red stroke-width=0
points="0,10 20,10 10,0" />
</svg>
It will render as a 10px by 20px triangle:
Now, if you set only the width and height, that will change the size...
Multi-line tooltips in Java?
I'm trying to display tooltips in Java which may or may not be paragraph-length. How can I word-wrap long tooltips?
10 Ans...