大约有 2,500 项符合查询结果（耗时：0.0289秒） [XML]
Is it possible to use JavaScript to change the meta-tags of the page?
...vices
<meta name="viewport" content="width=device-width, initial-scale=1.0">
This one can be changed by JavaScript. See: A fix for iPhone viewport scale bug
Meta description
Some user agents (Opera for example) use the description for bookmarks. You can add personalized content here. Exam...
How exactly does the android:onClick XML attribute differ from setOnClickListener?
...And this is the XML implementation.
XML Implementation
<?xml version="1.0" encoding="utf-8"?>
<!-- layout elements -->
<Button android:id="@+id/mybutton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Click me!"
android:onClick...
How do I get whole and fractional parts from double in JSP/Java?
...nverting double to int is almost always a bad idea. Because e.g. for (long)1.0e100 you will get 0. A lot of the times you need the double value simply "floored" for which there is floor(). If you want both integral and fraction parts use modf(). Really, this is a bad answer.
– ...
How can you get the Manifest Version number from the App's (Layout) XML variables?
...used like this in app/src/main/res/xml/preferences.xml:
<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
<PreferenceCategory
android:title="About"
android:key="pref_key_about">
<Pr...
Why doesn't java.lang.Number implement Comparable? [duplicate]
...be done within an acceptable margin of error. Try code like:
double d1 = 1.0d;
double d2 = 0.0d;
for (int i=0; i<10; i++) {
d2 += 0.1d;
}
System.out.println(d2 - d1);
and you'll be left with some small difference.
So back to the issue of making Number Comparable. How would you implement i...
How can you customize the numbers in an ordered list?
...m indenting, a close bracket.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title> new document </title>
<style type="text/css">
<!-...
How to reference constants in EL?
...po here):
<%@ taglib uri="http://jakarta.apache.org/taglibs/unstandard-1.0" prefix="un" %>
<un:useConstants className="com.example.YourConstants" var="constants" />
This way they are accessible the usual Javabean way by ${constants.FOO}.
Use Javaranch's CCC <ccc:constantsMap> as...
How to get key names from JSON using jq
...est.testPack", "Implementation-Version" : "testBox", "Manifest-Version" : "1.0", "appname" : "testApp", "build-date" : "02-03-2014-13:41", "version" : "testBox" }
$ jq 'keys' file.json
[
"Archiver-Version",
"Build-Id",
"Build-Jdk",
"Build-Number",
"Build-Tag",
"Built-By",
"Created-By"...
Is it feasible to do (serious) web development in Lisp? [closed]
...ne example.
Closure XML is available for XML parsing, serialization, XPath 1.0, XSLT 1.0.
There is also Closure HTML for HTML tag soup parsing.
(Full disclosure: I'm the maintainer of Closure XML and Closure HTML.)
If you like, Parenscript can make your JavaScript experience lispier, but you can al...
Convert PDF to image with high resolution
...
test.pdf \
-quality 100 \
-flatten \
-sharpen 0x1.0 \
24-18.jpg
It results in the left image. Compare this to the result of my original command (the image on the right):
(To really see and appreciate the differences between the two, right-click on each and sel...