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JSON.parse vs. eval()
...of Javascript and json.parse just parses JSON whereas eval would leave the door open to all JS expressions.
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How can I scale an image in a CSS sprite
...responsively' so that the width/height adjust according to your browser window size. It doesn't use background-size as support for this in older browsers is non-existent.
CSS
.stretchy {display:block; float:left; position:relative; overflow:hidden; max-width:160px;}
.stretchy .spacer {width: 100%;...
Check whether user has a Chrome extension installed
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<div id="ExtensionCheck_JamesEggersAwesomeExtension"></div>
Do a getElementById and set the innerHTML to the version number of your extension or something. You can then read the contents of that client-side.
Again though, you should use a direct method if there is one available.
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Android Camera Preview Stretched
...alPreviewSize(List<Camera.Size> sizes, int w, int h) {
final double ASPECT_TOLERANCE = 0.1;
double targetRatio=(double)h / w;
if (sizes == null) return null;
Camera.Size optimalSize = null;
double minDiff = Double.MAX_VALUE;
int targetHeight =...
Python Script execute commands in Terminal
...
There are several ways to do this:
A simple way is using the os module:
import os
os.system("ls -l")
More complex things can be achieved with the subprocess module:
for example:
import subprocess
test = subprocess.Popen(["ping","-W","2","-c", "1"...
How to go up a level in the src path of a URL in HTML?
... sheets in {root}/styles while images in {root}/images for a website.
How do I give the path in the style sheets to go look in the images directory for the specified images?
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How to truncate string using SQL server
.... to the end of it.
If you want to to make sure than strings less than 15 do not get the ... then you can use:
select
case
when len(col)>=15
then left(col, 15) + '...'
else col end col
from yourtable
See SQL Fiddle with Demo
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JSP tricks to make templating easier?
... Wrapper Tag" pageEncoding="UTF-8"%>
<html><body>
<jsp:doBody/>
</body></html>
Now in your example.jsp page:
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<%@taglib prefix="t" tagdir="/WEB-INF/tags" %>
<t:wrapper>
<h1>Welcom...
How to change cursor from pointer to finger using jQuery?
This is probably really easy, but I've never done it before. How do you change your cursor to the finger (like for clicking on links) instead of the regular pointer?
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Android - Using Custom Font
I applied a custom font to a TextView , but it doesn't seems to change the typeface.
21 Answers
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