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• need php 'if IE' to call a one CSS or alternative for IE

  - by rowan

  definately one or the other, not one and the other if.... HTML doesnt have an else function.. or does it? could you please be so kind as to code it in your answer im a php newb but so far getting nice results! this one's got be buggered though. if browser = IE then css/ie.css else css/moz even a webkit 3rd option if you think its needed... thanks guys you're all marvelous. also, does anyone know of a full properties list for webkit transitions/css?d

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• Polynomial fitting with log log plot

  - by viral parekh

  I have a simple problem to fit a straight line on log-log scale. My code is, data=loadtxt(filename) xdata=data[:,0] ydata=data[:,1] polycoeffs = scipy.polyfit(xdata, ydata, 1) yfit = scipy.polyval(polycoeffs, xdata) pylab.plot(xdata, ydata, 'k.') pylab.plot(xdata, yfit, 'r-') Now I need to plot fit line on log scale so I just change x and y axis, ax.set_yscale('log') ax.set_xscale('log') then its not plotting correct fit line. So how can I change fit function (in log scale) so that it can plot fit line on log-log scale? Thanks -Viral

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• How can I prevent SerializeJSON from changing Yes/No/True/False strings to boolean?

  - by Dan Roberts

  I have a data struct being stored in JSON format, converted using the serializeJSON function. The problem I am running into is that strings that can be boolean in CF such as Yes,No,True,and False are converted into JSON as boolean values. Below is example code. Any ideas on how to prevent this? Code: <cfset test = {str='Yes'}> <cfset json = serializeJSON(test)> <cfset fromJSON = deserializeJSON(json)> <cfoutput> #test.str#<br> #json#<br> #fromJSON.str# </cfoutput> Result: Yes {"STR":true} YES

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• Multithreading Errors in C#

  - by Adam

  Hi. I am trying to update a text box. I thought my threading code would fix the problem, but it does not. Can anyone help with this? new Thread((ThreadStart)delegate { txtCapacitance.Text = Math.Round(capacitance, 3).ToString(); }).Start(); Gives the following error: Cross-thread operation not valid: Control 'txtCapacitance' accessed from a thread other than the thread it was created on. Note that all this is being started by a dataReceived function which is called whenever USB data is received.

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• Shortest distance between a point and a line segment

  - by Eli Courtwright

  I need a basic function to find the shortest distance between a point and a line segment. Feel free to write the solution in any language you want; I can translate it into what I'm using (Javascript). EDIT: My line segment is defined by two endpoints. So my line segment AB is defined by the two points A (x1,y1) and B (x2,y2). I'm trying to find the distance between this line segment and a point C (x3,y3). My geometry skills are rusty, so the examples I've seen are confusing, I'm sorry to admit.

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• Why is this not a bug in qmail?

  - by jemfinch

  I was reading DJB's "Some thoughts on security after ten years of Qmail 1.0" and he listed this function for moving a file descriptor: int fd_move(to,from) int to; int from; { if (to == from) return 0; if (fd_copy(to,from) == -1) return -1; close(from); return 0; } It occurred to me that this code does not check the return value of close, so I read the man page for close(2), and it seems it can fail with EINTR, in which case the appropriate behavior would seem to be to call close again with the same argument. Since this code was written by someone with far more experience than I in both C and UNIX, and additionally has stood unchanged in qmail for over a decade, I assume there must be some nuance that I'm missing that makes this code correct. Can anyone explain that nuance to me?

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• (CKEditor) Looking for exhaustive list of commands and a way to set style...?

  - by humble_coder

  Hi All, I'm currently working with CKEditor (http://ckeditor.com/). I'm looking for: 1) an exhaustive list of commands available by default via 'execCommand'. 2) a mechanism by which to set styles (as in the same way the FONT and SIZE combo boxes do it). I saw the function called 'setStyle' in the documentation, however it seems to require an exact element. I can't for the life of me figure out how to do so based on the selection -- there is no way to use ID or CLASS, as the selected portions have none. I've posted to the forums but they don't seem to be terribly active as far as replies are concerned. Any assistance would be most appreciated. Best.

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• How to extract a specific input field value from external webpage using Javascript

  - by Tom

  Hi, i get the webpage content from an external website using ajax but now i want a function which extract a specific input field value which is already autofilled. the webpage content is like this: ......... <input name="fullname" id="fullname" size="20" value="David Smith" type="text"> <input name="age" id="age" size="2" value="32" type="text"> <input name="income" id="income" size="20" value="22000$" type="text"> ......... I only want to get the value of fullname, maybe with some javascript regex, or some jQuery dom parser, i know i can do it easily with php but i want it using Javascript or jQuery. Note: this inputs are not hosted in my page, they are just pulled from other website through Ajax. Thanks

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• Firefox extension dev: observing preferences, avoid multiple notifications

  - by Michael

  Let's say my Firefox extension has multiple preferences, but some of them are grouped, like check interval, fail retry interval, destination url. Those are used in just single function. When I subscribe to preference service and add observer, the observe callback will be called for each changed preference, so if by chance user changed all of the settings in group, then I will have to do the same routine for the same subsystem as many times as I have items in that preferences group. It's a great redundancy! What I want is observe to be called just once for group of preferences. Say extensions.myextension.interval1 extensions.myextension.site extensions.myextension.retry so if one or all of those preferences are changed, I receive only 1 notification about it. In other words, no matter how many preferences changed in branch, I want the observe callback to called once.

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• Facebook like on demand meta content scraper

  - by Tobias

  you guys ever saw that FB scrapes the link you post on facebook (status, message etc.) live right after you paste it in the link field and displays various metadata, a thumb of the image, various images from the a page link or a video thumb from a video related link (like youtube). any ideas how one would copy this function? i'm thinking about a couple gearman workers or even better just javascript that does a xhr requests and parses the content based on regex's or something similar... any ideas? any links? did someone already tried to do the same and wrapped it in a nice class? anything? :) thanks!

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• Can one TabBarItem be used for two different ViewControllers?

  - by Kash

  I am creating an app with three tabBarItems, but I want to control four ViewControlers with three tabBars. I am trying to use one tabBar for two different viewcontrollers. I am able to change the tabBartitle and icon upon tap, but I cannot reset it so it can go back to it's previous status with previous title and icon. Also, I am confused about using the tabBarController or just tabBar and to call what function to reload/refresh the tabBar status and where exactly? I am fairly new to the iPhone SD, please describe your answer clearly any help will be highly appreciated.

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• Command Line arguments - PHP

  - by Chaitanya

  Am trying the following php script which finds out the maximum between 2 numbers, it accepts the arguments through command line. I check whether the input is provided right, based on the number of command line arguments. <?php function larger($arg1,$arg2) { return max($arg1,$arg2); } if($argc > 3 || $argc < 3) print 'Invalid Arguments'; exit(1); if($argc==3) { print larger($argv[1],$argv[2]); } ?> Am executing the program in a windows system, and the file resides in xampp/php directory. While executing I don't get any output neither any error report. How do i check whether am right or wrong?

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• codeigniter: how to redirect after login to current controller (php_self in regular php)

  - by krike

  Well it's not really a problem but I check if the user exist and log them in and redirect to site/members_area, but I don't want to send the user to a specific page but i want to reload the current controller. So if I login in index/home I would like to be redirected at index/home, how should I proceed? in regular php I would put in the action to redirect to current page <?php echo $_SERVER['PHP_SELF']; ?> This is the code in the framework function validate_credentials() { $this->load->model('membership_model'); $query = $this->membership_model->validate(); if($query) // if the user's credentials validated... { $data = array( 'username' => $this->input->post('username'), 'is_logged_in' => true ); $this->session->set_userdata($data); redirect('site/members_area'); //<-- this line here should be dynamic } else // incorrect username or password { $this->index(); } }

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• Question regarding inheritance in wxWidgets.

  - by celestialorb

  Currently I'm attempting to write my own wxObject, and I would like for the class to be based off of the wxTextCtrl class. Currently this is what I have: class CommandTextCtrl : public wxTextCtrl { public: void OnKey(wxKeyEvent& event); private: DECLARE_EVENT_TABLE() }; Then later on I have this line of code, which is doesn't like: CommandTextCtrl *ctrl = new CommandTextCtrl(panel, wxID_ANY, *placeholder, *origin, *size); ...and when I attempt to compile the program I receive this error: error: no matching function for call to ‘CommandTextCtrl::CommandTextCtrl(wxPanel*&, <anonymous enum>, const wxString&, const wxPoint&, const wxSize&)’ It seems that it doesn't inherit the constructor method with wxTextCtrl. Does anyone happen to know why it doesn't inherit the constructor? Thanks in advance for any help!

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• How to sort a Ruby Hash by number value?

  - by dustmoo

  Hi everyone, I have a counter hash that I am trying to sort by count. The problem I am running into is that the default Hash.sort function sorts numbers like strings rather than by number size. i.e. Given Hash: metrics = {"sitea.com" => 745, "siteb.com" => 9, "sitec.com" => 10 } Running this code: metrics.sort {|a1,a2| a2[1]<=>a1[1]} will return a sorted array: [ 'siteb.com', 9, 'sitea.com', 745, 'sitec.com', 10] Even though 745 is a larger number than 9, 9 will appear first in the list. When trying to show who has the top count, this is making my life difficult. :) Any ideas on how to sort a hash (or an array even) by number value size? I appreciate any help.

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• convert xml.documentElement.getElementsByTagName("marker")[index].getAttribute(temp) to string in ja

  - by user324884

  I am parsing xml file in javascript and after that want to cancatenate all the the data into string. but failing to do the same and it is returning undefined. GDownloadUrl("./include/dataemp2.xml", function(data) { var xml = GXml.parse(data); markers = xml.documentElement.getElementsByTagName("marker"); for(var t=0;t<18;t++) { var temp= markers[index].getAttribute("address"); html = html + temp; } }); it is returning as undefined because temp is not concatenating in "html"; whereas when i do this like html = html +markers[index].getAttribute("address"); it is giving me expected output;

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• JQuery invert table selection

  - by Lars Tackmann

  I have page part like this <div id="inbox"> <h1>Headline</h1> <p>First paragraph</p> <table> <tbody> <tr> <td>table stuff</td> </tr> </tbody> </table> <p>Second paragraph</p> </div> I want to assign a handler to everything within the #inbox div that is not a part (a child) of the table. I tried to do something like $('#inbox:not(:has(table))').click(function(){ alert('hello inbox'); }); But that does not work, so how do I invert the selection of the table inside the #inbox ?

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• Show javascript execution progress

  - by Midhat

  I have some javascript functions that take about 1 to 3 seconds. (some loops or mooML templating code.) During this time, the browser is just frozen. I tried showing a "loading" animation (gif image) before starting the operation and hiding it afterwords. but it just doesnt work. The browser freezes before it could render the image and hides it immediately when the function ends. Is there anything I can do to tell the browser to update the screen before going into javascript execution., Something like Application.DoEvents or background worker threads. So any comments/suggestions about how to show javascript execution progress. My primary target browser is IE6, but should also work on all latest browsers

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• Waiting on multiple asynchronous calls to complete before continuing

  - by Chad

  So, I have a page that loads and through jquery.get makes several requests to populate drop downs with their values. $(function() { LoadCategories($('#Category')); LoadPositions($('#Position')); LoadDepartments($('#Department')); LoadContact(); }; It then calls LoadContact(); Which does another call, and when it returns it populates all the fields on the form. The problem is that often, the dropdowns aren't all populated, and thus, it can't set them to the correct value. What I need to be able to do, is somehow have LoadContact only execute once the other methods are complete and callbacks done executing. But, I don't want to have to put a bunch of flags in the end of the drop down population callbacks, that I then check, and have to have a recursive setTimeout call checking, prior to calling LoadContact(); Is there something in jQuery that allows me to say, "Execute this, when all of these are done."?

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• ImageChops.duplicate - python

  - by ariel

  Hi I am tring to use the function ImageChops.dulpicate from the PIL module and I get an error I don't understand: this is the code import PIL import Image import ImageChops import os PathDemo4a='C:/Documents and Settings/Ariel/My Documents/My Dropbox/lecture/demo4a' PathDemo4b='C:/Documents and Settings/Ariel/My Documents/My Dropbox/lecture/demo4b' PathDemo4c='C:/Documents and Settings/Ariel/My Documents/My Dropbox/lecture/demo4c' PathBlackBoard='C:/Documents and Settings/Ariel/My Documents/My Dropbox/lecture/BlackBoard.bmp' Slides=os.listdir(PathDemo4a) for slide in Slides: #BB=Image.open(PathBlackBoard) BB=ImageChops.duplicate(PathBlackBoard) #BB=BlackBoard and this is the error; Traceback (most recent call last): File "", line 1, in ImageChops.duplicate('c:/1.BMP') File "C:\Python26\lib\site-packages\PIL\ImageChops.py", line 57, in duplicate return image.copy() AttributeError: 'str' object has no attribute 'copy' any help would be much appriciated Ariel

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• C++ HTML template framework, templatizing library, HTML generator library

  - by Marcin Gil

  I am looking for template/generator libraries for C++ that are similar to eg. Ruby's Erb, Haml, PHP's Smarty, etc. It would be great if I it would sport some basic features like loops, if/else, int conversion to strings, etc. Parameter passing to template rendering engine is also important if I could pass all of them in a hash map instead of calling some function for each of parameters. Do you have any recommendations? I can see also the possibility of embedding languages like Lua, however I haven't found a templatizing library for that either. Thanks!

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• Sending BCC emails using a SMTP server?

  - by Alix Axel

  I've had this noted down on some of my code for a while: /** * Add a BCC. * * Note that according to the conventions of the SMTP protocol all * addresses, including BCC addresses, are included in every email as it * is sent over the Internet. The BCC addresses are stripped off blind * copy email only at the destination email server. * * @param string $email * @param string $name * @return object Email */ I don't remember where I got it from but that shouldn't be relevant to this question. Basically, whenever I try to send an email with BCCs via SMTP the BCC addresses are not hidden - I've read the whole RFC for the SMTP protocol (a couple years ago) and I don't think I'm missing anything. The strange thing is, if I send an email with BCCs using the built-in mail() function everything works just right and I've no idea why - I would like to roll my own email sender but I fail to understand this. Can someone please shed some light into this dark subject?

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• Testing file existence using NSURL

  - by Peter Hosey

  Snow Leopard introduced many new methods to use NSURL objects to refer to files, not pathnames or Core Services' FSRefs. However, there's one task I can't find a URL-based method for: Testing whether a file exists. I'm looking for a URL-based version of -[NSFileManager fileExistsAtPath:]. Like that method, it should return YES if the URL describes anything, whether it's a regular file, a directory, or anything else. I could attempt to look up various resource values, but none of them are explicitly guaranteed to not exist if the file doesn't, and some of them (e.g., NSURLEffectiveIconKey) could be costly if it does. I could just use NSFileManager's fileExistsAtPath:, but if there's a more modern method, I'd prefer to use that. Is there a simple method or function in Cocoa, CF, or Core Services that's guaranteed/documented to tell me whether a given file (or file-reference) URL refers to a file-system object that exists?

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• Firefox extension dev: observing preferences, avoid multiple notifications

  - by Michael

  Let's say my Firefox extension has multiple preferences, but some of them are grouped, like check interval, fail retry interval, destination url. Those are used in just single function. When I subscribe to preference service and add observer, the observe callback will be called for each changed preference, so if by chance user changed all of the settings in group, then I will have to do the same routine for the same subsystem as many times as I have items in that preferences group. It's a great redundancy! What I want is observe to be called just once for group of preferences. Say extensions.myextension.interval1 extensions.myextension.site extensions.myextension.retry so if one or all of those preferences are changed, I receive only 1 notification about it. In other words, no matter how many preferences changed in branch, I want the observe callback to called once.

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• Saving current directory to zsh history

  - by user130208

  I wanted to achieve the same as asked here http://stackoverflow.com/questions/945288/saving-current-directory-to-bash-history but within zsh shell. I haven't done any zsh trickry before but so far I have: function precmd { hpwd=$history[$((HISTCMD-1))] if [[ $hpwd == "cd" ]]; then cwd=$OLDPWD else cwd=$PWD fi hpwd="${hpwd% ### *} ### $cwd" echo "$hpwd" ~/.hist_log } Right now I save the command annotated with the directory name to a log file. This works fine for me. Just thought there might be a way to make replacement in the history buffer itself.

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