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Modify request parameter with servlet filter
An existing web application is running on Tomcat 4.1. There is an XSS issue with a page, but I can't modify the source. I've decided to write a servlet filter to sanitize the parameter before it is seen by the page.
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Resizing an image in an HTML5 canvas
...formance, right? Behold, the thumbnail generating code:
// returns a function that calculates lanczos weight
function lanczosCreate(lobes) {
return function(x) {
if (x > lobes)
return 0;
x *= Math.PI;
if (Math.abs(x) < 1e-16)
return 1;
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How to securely store access token and secret in Android?
...n and secret. From what I understood, I need to store them with my application either in a database or SharedPreferences . But I am a bit worried about security aspects with that. I read that you can encrypt and decrypt the tokens but it is easy for an attacker to just decompile your apk and classe...
When to use symbols instead of strings in Ruby?
...s that are generated dynamically is because of memory concerns.
This question is very common because many programming languages don't have symbols, only strings, and thus strings are also used as identifiers in your code. You should be worrying about what symbols are meant to be, not only when you ...
How do I include inline JavaScript in Haml?
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:javascript
$(document).ready( function() {
$('body').addClass( 'test' );
} );
Docs: http://haml.info/docs/yardoc/file.REFERENCE.html#javascript-filter
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OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
I successfully implemented the OpenCV square-detection example in my test application, but now need to filter the output, because it's quite messy - or is my code wrong?
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Strip HTML from strings in Python
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I always used this function to strip HTML tags, as it requires only the Python stdlib:
For Python 3:
from io import StringIO
from html.parser import HTMLParser
class MLStripper(HTMLParser):
def __init__(self):
super().__init__()
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What is the difference between customErrors and httpErrors?
What is the difference between the customErrors and httpErrors sections of the web.config file in ASP.NET MVC applications?
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Difference between DTO, VO, POJO, JavaBeans?
Have seen some similar questions:
7 Answers
7
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What is a Java ClassLoader?
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Taken from this nice tutorial from Sun:
Motivation
Applications written in statically compiled programming languages, such as C and C++, are compiled into native, machine-specific instructions and saved as an executable file. The process of combining the code into an exe...