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How to trace the path in a Breadth-First Search?
...
You should have look at http://en.wikipedia.org/wiki/Breadth-first_search first.
Below is a quick implementation, in which I used a list of list to represent the queue of paths.
# graph is in adjacent list representation
graph = {
'1': ['2', '3', '4'],
'2': ['5', '6'],
...
How do I make an http request using cookies on Android?
...ost("https://portal.sun.com/amserver/UI/Login?" +
"org=self_registered_users&" +
"goto=/portal/dt&" +
"gotoOnFail=/portal/dt?error=true");
List <NameValuePair> nvps = new ArrayList <NameValuePair>();
nvps.add(new Ba...
Android: How to stretch an image to the screen width while maintaining aspect ratio?
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I accomplished this with a custom view. Set layout_width="fill_parent" and layout_height="wrap_content", and point it to the appropriate drawable:
public class Banner extends View {
private final Drawable logo;
public Banner(Context context) {
super(context);
...
Ways to circumvent the same-origin policy
...o a completely alien domain.
Source: https://developer.mozilla.org/en/Same_origin_policy_for_JavaScript
The Cross-Origin Resource Sharing method
Method type: AJAX.
Cross-Origin Resource Sharing (CORS) is a W3C Working Draft that defines how the browser and server must communicate when accessin...
What is the real overhead of try/catch in C#?
...false;
}
}
void CheckRight(string rightName, DomainObject obj) {
if (!_user.Rights.Contains(rightName))
throw new Exception();
}
When the test database got fuller with test data, this lead to a very visible slowdown while openening new forms etc.
So I refactored it to the following, whic...
Add legend to ggplot2 line plot
...rong. Here's how I would plot your data:
##Subset the necessary columns
dd_sub = datos[,c(20, 2,3,5)]
##Then rearrange your data frame
library(reshape2)
dd = melt(dd_sub, id=c("fecha"))
All that's left is a simple ggplot command:
ggplot(dd) + geom_line(aes(x=fecha, y=value, colour=variable)) +
...
How to copy files across computers using SSH and MAC OS X Terminal [closed]
...compression use SCP:
scp username@yourserver.com:~/serverpath/public_html ~/Desktop
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Table Naming Dilemma: Singular vs. Plural Names [closed]
... crazy with table names and specificity, but perhaps something like "Widget_Users" (where "Widget" is the name of your application or website) would be more appropriate.
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Convert HTML + CSS to PDF [closed]
...g but I kept having this weird error about null reference arguments to node_type. I finally found the solution to this. Basically, PHP 5.1.x worked fine with regex replaces (preg_replace_*) on strings of any size. PHP 5.2.1 introduced a php.ini config directive called pcre.backtrack_limit. What ...
How to render and append sub-views in Backbone.js
...= SubView.extend({
tagName: "tr",
className: "part",
template: _.template($("#part-row-template").html())
});
var PartListView = ViewCollection.extend({
el: $("table#parts"),
subViewClass: PartView
});
...
