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• How to transfer large files from desktop to server ( .NET)

  - by rahulchandran

  I am writing a .NET 2.0 based desktop client that will send large files ( well largish under 2GB) to a server. Need to develop the server as well. Server can be on any technology It should be secure so an underlying SSL stream is needed What are my options. Any obvious caveats etc I should be aware of To my mind the simplest solution is to open a tcp\ip connection over SSL to the server and send n packets each of size M bytes and then have the server append the chunks to the file and finally send an EOF packet as well IS this horrible. Will the perf suck on the server with all these disk writes What are any other clever options. I am limited to .NET 2.0 on the client if I did move to a WCF client will it buy be something magical and cool for this scenario Thanks

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• removing the single quote from a list of

  - by tanky

  I need to append/format a url with a list of ids for an api call however, when i put the list at the end of the api https://api.twitter.com/1.1/users/lookup.json?user_id=%s'%a i just get an empty string as a response. i have tried turning the list into a string and removing the square brackets doing a = str(followers['ids'])[1:-1] but i still get the same problem. and im assuming that its being caused by the single quote at the start. i have tried removing the apostrophe from the string doing a.replace("'", "") and now i have run out of ideas thanks

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• Adding a decorator that converts strings to lowercase in Python

  - by user2905382

  So I am new to learning decorators and I have gone through countless tutorials and while I understand and can mostly follow all of the examples, I think the best way to learn, would be to implement a decorator myself. So I am going to use this example below. I realize a decorator is not at all necessary to do this, but for the sake of learning, I would like to add a decorator that filters the strings like dog name and breed and turns them into lowercase. Any ideas or pointers in the right direction would be appreciated. class Dogs: totalDogs = 0 dogList=[] def __init__(self, breed, color, age): self.breed=breed self.color=color self.age=age Dogs.dogList.append(self.breed) Dogs.totalDogs += 1 def displayDogs(self): print "breed: ", self.breed print "color: ",self.color print "age: ",self.age print "list of breeds:", Dogs.dogList print "total dogs: ", Dogs.totalDogs def somedecorator(*args): #now what terrier=Dogs("TeRrIer", "white", 5) terrier.displayDogs() retriever=Dogs("goldenRETRIEVER", "brown", 10) retriever.displayDogs()

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• MacPorts: Add an option to configure script

  - by Jeffrey Aylesworth

  I am trying to install libguichan without allegro support, because allegro will not build on Snow Leopard. It should be left out, the portfile has: 27 if {${os.platform} == "darwin" && (([variant_isset universal] && [string match *64* $universal_archs]) || (![variant_isset universal] && [string match *64 $build_arch]))} { 28 # allegro is not yet 64-bit compatible 29 depends_lib-delete port:allegro 30 configure.args-append --disable-allegro 31 } But when I install it, it tries to build allegro. Is there any way I can get this functionality from the command line to install it? The port: http://trac.macports.org/browser/trunk/dports/graphics/libguichan/Portfile

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• how to get dynamically created elements width and apply style to that?

  - by 3gwebtrain

  Hi, I am creating an li element dynamically like this: $(data).find('slide').each(function(numSlide){ var slideLink = $(this).attr('link'); var slideimage = $(this).children('slideimage').text(); var slidedesc = $(this).children('slidedesc').text(); $('.slider ul').append('<li><a href="'+slideLink+'"><img src="'+root+"images/top-slider-image/"+slideimage+'" alt="welcome to Burger Davis Blog" /></a><div class="note">'+slidedesc+'</div></li>'); }) But I'd like to calculate the width of the li, and I need to apply some style to it -- how can I do that? If I add styles via the css method, it does not work for dynamically created elements... Please help me to get dynamic elements' width and how to apply styles into that? I know we can use the live function, but I can't get even by that..

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• Ensuring Updated CSS/JavaScript on Client Side

  - by Alex

  I'm trying to ensure that visitors of my ASP.NET MVC website always have the most-current CSS and Javascript (and not some older cached version). I tried to realize this by generating a seed value when the application domain starts, and automatically append it to the CSS and Javascript URLs (so now instead of /Content/All.js the link is /Content/All.js?549238 etc.). Unfortunately I just found out by debugging via Firebug that this causes now a full download request every time (the new "seeded" response is no longer cached at all, but I only wanted the first check to download the 'updated' version, but then cache again/only check if there is a difference). How can I achieve my goal, is there a better way of doing this? I need the client to always request the newest version, but then cache if no change happened. Edit: This appears to be related to the fact that my page is served over SSL. I asked a follow up question here regarding enabling clientside caching with SSL.

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• How can I make a dashboard with all pending tasks using Celery?

  - by e-satis

  I want to have some place where I can watch all the pendings tasks. I'm not talking about the registered functions/classes as tasks, but the actual scheduled jobs for which I could display: name, task_id, eta, worker, etc. Using Celery 2.0.2 and djcelery, I found `inspect' in the documentation. I tried: from celery.task.control import inspect def get_scheduled_tasks(nodes=None): if nodes: i = inspect(nodes) else: i = inspect() scheduled_tasks = [] dump = i.scheduled() if dump: for worker, tasks in dump: for task in tasks: scheduled_task = {} scheduled_task.update(task["request"]) del task["request"] scheduled_task.update(task) scheduled_task["worker"] = worker scheduled_tasks.append(scheduled_task) return scheduled_tasks But it hangs forever on dump = i.scheduled(). Strange, because otherwise everything works. Using Ubuntu 10.04, django 1.0 and virtualenv.

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• Segmentation fault before return

  - by donalmg

  Hi, Why does the following code seg fault before returning: int main() { char iD[20]; memset (iD, 0, 20); char* prefix; srand (time(NULL) ); int iPrefix = rand()%1000000; sprintf(prefix, "%i", iPrefix); int len = strlen(prefix); char* staticChar = "123456789"; //set prefix into ID memcpy(iD, prefix, len); // append static value memcpy(iD+len, staticChar, 20-len); cout << "END " << endl; return 0; } At the minute, the cout will display, but I get a segmentation fault.

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• Want to set 'src' of script to my IP.

  - by Ozaki

  I have a script that links to the server I am hosting (IP can change) usually I would just use for links: var url ='http://' + window.location.hostname + 'end of url'; But in this case it isnt appearing to be so easy. I have tried: (1) $('#scriptid').attr('src', url); as well as: (2) var script = document.createElement( 'script' ); script.type = 'text/javascript'; script.src = url; $("#insert").append( script ); Now case (2) works loads the script runs the script. But when at the end of my script it hits the 'write data' it decides to replace the entire page with just the data. Any idea on how I can do this?

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• Same loop giving different output. Java IO

  - by Nitesh Panchal

  Hi, I am facing a very strange problem where the same loop keeps giving me different different output on change of value of BUFFER final int BUFFER = 100; char[] charArr = new char[BUFFER]; StringBuffer objStringBuffer = new StringBuffer(); while (objBufferedReader.read(charArr, 0,BUFFER) != -1) { objStringBuffer.append(charArr); } objFileWriter.write(objStringBuffer.toString()); When i change BUFFER size to 500 it gives me a file of 7 kb when i change BUFFER size to 100000 it gives a file of 400 kb where the contents are repeated again and again. Please help. What should i do to prevent this?

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• Basic javascript function

  - by McDan Garrett

  I have this function working <script type="text/javascript"> $(window).scroll(function() { if ($(window).scrollTop() == $(document).height() - $(window).height()) { $('div#loadmoreajaxloader').show(); $.ajax({ url: "loadmore.php?wall=<?php echo $wall; ?>&lastid=" + $(".postitem:last").attr("id"), success: function(html) { if (html) { $("#postswrapper").append(html); $('div#loadmoreajaxloader').hide(); } else { $('div#loadmoreajaxloader').html('<center><font color="white">No more posts to show.</font></center>'); } } }); } }); </script> But I need to have the same stuff happening (on IOS Devices), but instead of it happening when the browser reaches the loadmoreajaxeloader div, I simply need it to happen on an onclick event on a link. Thanks heaps. Tried to add code but didn't format so here it is http://pastebin.com/p2VUqZff

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• d3.behavior.zoom jitters, shakes, jumps, and bounces when dragging

  - by BrettonW

  I am using the d3.behavior.zoom to implement panning and zooming on a tree layout, but it is exhibiting a behavior I would describe as bouncing or numeric instability. When you start to drag, the display will inexplicably bounce left or right until it just disappears. The code looks like this: var svg = target.append ("g"); ... svg.call (d3.behavior.zoom() .translate ([0, 0]) .scale (1.0) .scaleExtent([0.5, 2.0]) .on("zoom", function() { svg.attr("transform","translate(" + d3.event.translate[0] + "," + d3.event.translate[1] + ") scale(" + d3.event.scale + ")"); }) ); Am I doing something wrong?

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• Killing a script launched in a Process via os.system()

  - by L.J.

  I have a python script which launches several processes. Each process basically just calls a shell script: from multiprocessing import Process import os import logging def thread_method(n = 4): global logger command = "~/Scripts/run.sh " + str(n) + " >> /var/log/mylog.log" if (debug): logger.debug(command) os.system(command) I launch several of these threads, which are meant to run in the background. I want to have a timeout on these threads, such that if it exceeds the timeout, they are killed: t = [] for x in range(10): try: t.append(Process(target=thread_method, args=(x,) ) ) t[-1].start() except Exception as e: logger.error("Error: unable to start thread") logger.error("Error message: " + str(e)) logger.info("Waiting up to 60 seconds to allow threads to finish") t[0].join(60) for n in range(len(t)): if t[n].is_alive(): logger.info(str(n) + " is still alive after 60 seconds, forcibly terminating") t[n].terminate() The problem is that calling terminate() on the process threads isn't killing the launched run.sh script - it continues running in the background until I either force kill it from the command line, or it finishes internally. Is there a way to have terminate also kill the subshell created by os.system()?

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• Dynamic validation in jquery

  - by mansoor

  $(document).ready(function(){ $('a[rel=addhint]').click(function(){ var html='<div><label>Hint</label>'; html+='<span class="input"><input type="text" size="30" class="text" name="hint"/><a href="#" rel="delhint">delete</a></span><br class="clear" /></div>'; $('div#hintTextContainer').append(html); bindDelHintAll(); return false; }); I want when a new text area include vadition of required field and max length will also apply on it.

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• JQuery add hidden element to form programmatically

  - by vanzylv

  Hi Guys This is really getting to me now.I have a form that loads when the page loads.In my jquery 'ready' function I append a hidden to that form like so : $("<input id='thehidden' type='hidden' name='thehidden' value='hiddenval'>").appendTo("#MenuForm") When I check the form content with firebug i can see the element is added. ["$(\"#MenuForm\").children()"] is [div, input#thehidden hiddenval] All good so far.When I submit this form and try and read the elemet again,i can't get the value of the new hidden val I added. alert($('#thehidden').val()) is undefined Any help would be appreciated

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• Replace the surround of an html element with another document

  - by KvanteTore

  I have an html page with (among other things) a Unity3D window. I would like to replace everything on the page without causing the Unity window to reload. I have tried the following jquery-tastic function replaceSurround(keepElem, newElem) { keepElem.siblings().remove(); keepElem.prepend(newElem.prevAll()); keepElem.append(newElem.nextAll()); var keepParent = keepElem.parent(); var newParent = newElem.parent(); if (keepParent && newParent) { replaceSurround(keepParent, newParent); } } where keepElem is an element in the original document and newElem is the corresponding element in the new document, but it did not work very well.

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• How do you find the last element of an array while iterating using a foreach loop in php ?

  - by Vaibhav Kamble

  I am writing a sql query creator using some parameters. While doing that ,I came across this problem. In java , Its very easy to detect the last element of an array from inside the for loop by just checking the current array position with the array length. for(int i=0; i< arr.length;i++){ boolean isLastElem = i== (arr.length -1) ? true : false; } php has some different fashion. They have non integer indexes to access arrays. So you must iterate over an array using foreach loop. But it becomes very problematic when you need to take some decision (in my case to append or/and parameter while building query). I am sure there must be some standard way of doing this. How do you solve this problem normally in php ?

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• howto: vimrc change part of file path and execute script

  - by posop

  I would like to set up a command to execute launch the php script i am editing. :echo expand('%:p:h') yields: C:\xampp\htdocs\my my localhost path is C:\xampp\htdocs i would like to cut the contents of local host off my current directory and append a file separator so i would have: g:var = \my\ so the end goal would be to have something like this in my .vimrc (need help with the concatenate) map <F5> :w<CR>:silent execute '!"c:\Program Files (x86)\Mozilla Firefox\firefox.exe"' "localhost . $var . %"<CR> is this possible? or is there another way to do this?

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• Help! Obj-C/Iphone programming: extracting string from html text and reading off line by line

  - by royden

  hihi, I have this html text response from a particular website: <tr><td valign="top"><img src="/icons/image2.gif" alt="[IMG]"></td><td><a href="crsdsdfs2221.jpg">crash-2221.jpg</a></td><td align="right">14-Jun-2010 14:29 Notice for every line, there is this href=".__", which is an image file with random name and random format. I would like to extract that string within the inverted commas out so that i can append it into a URL path and download the image. I've been looking through this documentation from apple: http://developer.apple.com/mac/library/documentation/cocoa/conceptual/strings/Articles/SearchingStrings.html#//apple_ref/doc/uid/20000149-CJBBGBAI on String programming but couldn't find one that fits my bill. Also after reading it, what code can I use to ensure that I will be reading the next line the next time my function is called( because I want to download the next picture). Hope some kind soul can help me out, thanks!

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• threading.Event wait function not signaled when subclassing Process class

  - by user1313404

  For following code never gets past the wait function in run. I'm certain I'm doing something ridiculously stupid, but since I'm not smart enough to figure out what, I'm asking. Any help is appreciated. Here is the code: import threading import multiprocessing from multiprocessing import Process class SomeClass(Process): def __init__(self): Process.__init__(self) self.event = threading.Event() self.event.clear() def continueExec(self): print multiprocessing.current_process().name print self print "Set:" + str(self.event.is_set()) self.event.set() print "Set:" + str(self.event.is_set()) def run(self): print "I'm running with it" print multiprocessing.current_process().name self.event.wait() print "I'm further than I was" print multiprocessing.current_process().name self.event.clear() def main(): s_list = [] for t in range(3): s = SomeClass() print "s:" + str(s) s_list.append(s) s.start() raw_input("Press enter to send signal") for t in range(3): print "s_list["+str(t)+"]:" + str(s_list[t]) s_list[t].continueExec() raw_input("Press enter to send signal") for t in range(3): s_list[t].join() print "All Done" if __name__ == "__main__": main()

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• jQuery create new div with ID?

  - by John

  Hello, I have form in my ASP.NET masterPage.master and if i click on submit it call some method from masterPage.master.cs file by ajax (i have it in update panel). But i want improve it with jQuery. So i have this: $('#submit').click(function () { $.ajax({ type: "POST", url: '<% Response.Write("~"+Request.Path); %>', beforeSend: function () { $(document.createElement('div')).width($('#formBox').width()) .height($('#formBox').height()) .css({ backgroundImage: 'url(/Static/Img/bc_overlay.png)', position: 'absolute', left: 0, top: 0, margin: "5px", textAlign: "center", color: "#000", display: "none" }) .append("<strong>Nacítám</strong><br /><img src='Static/Img/ajax-loader.gif' width='33px' height='33px' alt='loading' />") .fadeIn("slow") .prependTo($('#formBox')); $('#formBox').css('position', 'relative'); }, success: function () { } }); }); So if i click on submit, new div is creating (there is loading text and image, and cool opacity overlay), but how i give to this div some ID? Because i need use it in success: function () { } i need clear this box and write here some text (error or success).

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• enabling tomcat web apps to be served from Ubuntu lucid

  - by user558925

  Hi, I have tomcat running on 8080 on a ubuntu lucid server. I am able to access it fro local machine. However I am unable to access the tomcat from any machine outside. Is it due to firewall restrictions. WHat do I need to do to enable accessing tomcat from remote machines. Tried adding this rule to iptables but it did not solve iptables --table nat --append PREROUTING --protocol tcp --destination-port 80 \ --in-interface eth0 --jump REDIRECT --to-port 8080 Any help would be appreciated Thanks Bala Thiruppanambakkam

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• Install Python 2.6 without using installer on Win32

  - by prosseek

  I need to run a python script on a machine that doesn't have python installed. What I did was as follows. Copy python.exe, python26.dll, msvcr90.dll and Microsoft.VC90.CRT.manifest zip all the directory in LIBs directory as the python26.zip copy all the necessary dll/pyd file inside the DLL directory. It seems to work, but when I change the python26.zip to the other name such as pythonlib.zip. It cannot find the python library anymore. Q1 : What's the magic behind the python26.zip name? The python automatically finds a library inside a python26.zip but not with different name? Q2 : If I have python26.zip at the same directory where python.exe/python26.dll is, I don't need to add path sys.path.append(THE PATH TO python26.zip). Is it correct?

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• How do I make a new div with a specific Id + n?

  - by Noor

  I've got a button and when it's pushed this code launches: var nrDivs = "1" var neuDiv = document.createElement("div"); neuDiv.setAttribute("Id","theDiv" + nrDivs); neuDiv.innerHTML = "Text"; $('#allDivs').append(neuDiv); newfeed.draw(neuDiv); I know that right now the script creates a new div with the ID: theDiv1. What I'm trying to do is when I click the button a second time, it creates a div with the ID: theDiv2. Each time the user presses the button there should be a new div drawn and I'm trying to target that new div and insert dynamic text. Thanks, Noor

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• JQuery Remove() doesn't work

  - by Xander Guerin

  I have a DIV element inside another as follows: <div id="filters"> <div class="filterData">hello</div> </div> and I'm trying to remove the element: $("#filters").remove('.filterData'); Problem is, it doesn't. I've tested on other elements on my page and it works. The thing is, I cannot append to it, show or hide it, use .empty. I've also changed it to be a DIV with 'filterData' as the ID and told JQuery to remove it but it refuses to... Has anyone had a stuborn element like this before? EDIT: I'm also trying to remove it inside a $(document).ready function so I have no idea.

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