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  • Get current URL in Python

    - by Alex
    How would i get the current URL with Python, I need to grab the current URL so i can check it for query strings e.g requested_url = "URL_HERE" url = urlparse(requested_url) if url[4]: params = dict([part.split('=') for part in url[4].split('&')]) also this is running in Google App Engine

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  • Get Links in class with html agility pack

    - by acidzombie24
    There are a bunch of tr's with the class alt. I want to get all the links (or the first of last) yet i cant figure out how with html agility pack. I tried variants of a but i only get all the links or none. It doesnt seem to only get the one in the node which makes no sense since i am writing n.SelectNodes html.LoadHtml(page); var nS = html.DocumentNode.SelectNodes("//tr[@class='alt']"); foreach (var n in nS) { var aS = n.SelectNodes("a"); ... }

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  • How do I put these: @{$subset}, [@ext_subset], [$last_item] in PHP?

    - by Alex
    I'm having trouble translating a subroutine from Perl to PHP (I'm new to Perl). The entire subroutine is as follows: sub find_all_subsets { if (1 == scalar (@_)) {return [@_]} else { my @all_subsets = () ; my $last_item = pop (@_) ; my @first_subsets = find_all_subsets (@_) ; foreach my $subset (@first_subsets) { push (@all_subsets, $subset) ; my @ext_subset = @{$subset} ; push (@ext_subset, $last_item) ; push (@all_subsets, [@ext_subset]) ; } push (@all_subsets, [$last_item]) ; return (@all_subsets) ; } } My problem is that I really don't quite understand the Perl syntax, so I'm having trouble writing these @{$subset}, [@ext_subset] and [$last_item] in PHP. Thanks and sorry if the question is stupid.

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  • null reference problems with c#

    - by alex
    Hi: In one of my window form, I created an instance of a class to do some works in the background. I wanted to capture the debug messages in that class and displayed in the textbox in the window form. Here is what I did: class A //window form class { public void startBackGroundTask() { B backGroundTask = new B(this); } public void updateTextBox(string data) { if (data != null) { if (this.Textbox.InvokeRequired) { appendUIDelegate updateDelegate = new appendUIDelegate(updateUI); try { this.Invoke(updateDelegate, data); } catch (Exception e) { Console.WriteLine(e.Message); } } else { updateUI(data); } } } private void updateUI(string data) { if (this.Textbox.InvokeRequired) { this.Textbox.Invoke(new appendUIDelegate(this.updateUI), data); } else { //update the text box this.Textbox.AppendText(data); this.Textbox.AppendText(Environment.NewLine); } } private delegate void appendUIDelegate(string data); } class B // background task { A curUI; public b( A UI) { curUI = UI; } private void test() { //do some works here then log the debug message to UI. curUI.updateTextBox("message); } } I keep getting a null reference exception after this.Invoke(updateDelegate, data); is called. I know passing "this" as a parameter is strange. But I want to send the debug message to my window form. Please help. Thanks

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  • Retrieving an element by array index in jQuery vs the each() function.

    - by Alex Ciminian
    I was writing a "pluginable" function when I noticed the following behavior (tested in FF 3.5.9 with Firebug 1.5.3). $.fn.computerMove = function () { var board = $(this); var emptySquares = board.find('div.clickable'); var randPosition = Math.floor(Math.random() * emptySquares.length); emptySquares.each(function (index) { if (index === randPosition) { // logs a jQuery object console.log($(this)); } }); target = emptySquares[randPosition]; // logs a non-jQuery object console.log(target); // throws error: attr() not a function for target board.placeMark({'position' : target.attr('id')}); } I noticed the problem when the script threw an error at target.attr('id') (attr not a function). When I checked the log, I noticed that the output (in Firebug) for target was: <div style="width: 97px; height: 97px;" class="square clickable" id="8"></div> If I output $(target), or $(this) from the each() function, I get a nice jQuery object: [ div#8.square ] Now here comes my question: why does this happen, considering that find() seems to return an array of jQuery objects? Why do I have to do $() to target all over again? [div#0.square, div#1.square, div#2.square, div#3.square, div#4.square, div#5.square, div#6.square, div#7.square, div#8.square] Just a curiosity :).

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  • How to make compareTo sort a list alphabetically?

    - by Alex
    Hi How do I change my code so that it lists the elements in alphabetical order from a to z. Right now it's ordering from z to a. I can't figure it out and am stuck :-/ String sName1 = ((Address)o).getSurname().toLowerCase(); String sName2 = (this.surname).toLowerCase(); int result = (sName1).compareTo(sName2); return result; Thanks :)

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  • Remove a character from a given position on Oracle

    - by alex
    Is there anyway to remove a character from a given position? Let's say my word is: PANCAKES And I want to remove the 2nd letter (in this case, 'A'), so i want PNCAKES as my return. Translate doesnt work for this. Replace doesnt work for this. Regex is damn complicated... Ideas?

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  • Ubuntu 10.10, taskbar

    - by Alex
    I launched system monitor to kill one program, which didn't responded on any mouse clicks, etc. But i occasionally killed another process. so, taskbar was killed. (it was in the bottom of the screen, in the top all is good) reboot didnt help o_O. Now I use Alt-Tab and alt-controll-arrows to switch between programs and desktops (it works). How to launch taskbar again? its very strange that reboot didnt help me.

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  • Double "!!" in Ruby [closed]

    - by Alex Maslakov
    Possible Duplicate: What does !! mean in ruby? Ruby, !! operator (a/k/a the double-bang) Sometimes I see a Ruby code like this def sent? !!@sent_at end It seems to be not logical. Is it necessary to use here double !? As far as I'm concerned, it might be just def sent? @sent_at end UPDATE: then what is the difference between these def sent? !!@sent_at end def sent? @sent_at.nil? end def sent? @sent_at == nil end

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  • Responsive width for iPhone

    - by Alex Marchant
    This is my first time building a responsive site, and as I tailor the CSS for the iPhone I'm running into a problem. The styles all apply correctly, the text changes size and the wrapper changes widths. The problem is the iPhone browser still opens up at a huge width, see the screenshot: I'm using @media all and (max-device-width: 480px) {} to set the specific iPhone css. body {width:;} doesn't work. Thanks for the help :)

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  • endpoints (bug?) behavior in xts

    - by Alex
    If I try to get endpoints for every year, for example, and do the following: xts.data <- xts(1:10000, order.by=seq(from=as.Date("1970-01-01"), by=1, len=10000)) z <- endpoints(xts.data, on="months", k=12) The return value for this is: > z [1] 0 10000 Same with numbers higher than 12. Why would xts simply not return indices of every year or 13th month starting from the beginning. Is it limited by the number of periods in a year? That is if i did: z <- endpoints(xts.data, on="weeks", k=54) This seems to work fine.

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  • Java / MySQL - How to access connection from another class?

    - by Alex
    I'm just getting my head around java (and OOP for that matter), the only thing I am familiar with is MySQL. I need to keep the DB connection open throughout the duration of the application, as well as a server socket. I'm not even sure if they both need separate classes, but here's what I have so far: http://pastebin.com/qzMFFTrY (it wouldn't all go in a code tag) The variable I need is con for line 86.

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