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  • How to use sprintf instead of hardcoded values

    - by astha goyal
    I am developing a firewall for Linux as my project. I am able to capture packets and to block them. I am using IPTABLES. How can I use variables with sprintf instead of hardcoded values? sprintf(comm, "iptables -A INPUT -s $str -j DROP") // inplace of: sprintf(comm, "iptables -A INPUT -s 192.168.0.43 -j DROP")

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  • Powershell advanced functions: are optional parameters supposed to get initialized?

    - by Richard Berg
    filter CountFilter($StartAt = 0) { Write-Output ($StartAt++) } function CountFunction { [CmdletBinding()] param ( [Parameter(ValueFromPipeline=$true, Mandatory=$true)] $InputObject, [Parameter(Position=0)] $StartAt = 0 ) process { Write-Output ($StartAt++) } } $fiveThings = $dir | select -first 5 # or whatever "Ok" $fiveThings | CountFilter 0 "Ok" $fiveThings | CountFilter "Ok" $fiveThings | CountFunction 0 "BUGBUG ??" $fiveThings | CountFunction I searched Connect and didn't find any known bugs that would cause this discrepancy. Anyone know if it's by design?

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  • Enable Proxy Authentication for normal windows application.

    - by Lalit
    my company's internet works on proxy server with Authentication(i.e. Browser prompts with window for username/password everytime i tried to access any web page). Now i have some windows application which tries to access internet(like WebPI/Visual Studio 2008 for rss feeds), but as they are unable to popup the the authentication window, they are unable to connect with internet with error: (407) Proxy Authentication Required . Here the exception is VS2008, first time it always fails to load rss feeds on startup page, but when i click on the link, it shows authentication window and everything works fine after that. my question is: How can i configure normal windows application(through app.config/app.manifest file) accessing web to able to show the authentication window or provide default credentials. For explore this furthor, i have created one console application on VS2008 which tries to serach something on google and display the result on console. Code: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Net; using System.IO; namespace WebAccess.Test { class Program { static void Main(string[] args) { Console.WriteLine("Enter Serach Criteria:"); string criteria = Console.ReadLine(); string baseAddress = "http://www.google.com/search?q="; string output = ""; try { // Create the web request HttpWebRequest request = WebRequest.Create(baseAddress + criteria) as HttpWebRequest; // Get response using (HttpWebResponse response = request.GetResponse() as HttpWebResponse) { // Get the response stream StreamReader reader = new StreamReader(response.GetResponseStream()); // Console application output output = reader.ReadToEnd(); } Console.WriteLine("\nResponse : \n\n{0}", output); } catch (Exception ex) { Console.WriteLine("\nError : \n\n{0}", ex.ToString()); } } } } When running this, It gives error Enter Serach Criteria: Lalit Error : System.Net.WebException: The remote server returned an error: (407) Proxy Authen tication Required. at System.Net.HttpWebRequest.GetResponse() at WebAccess.Test.Program.Main(String[] args) in D:\LK\Docs\VS.NET\WebAccess. Test\WebAccess.Test\Program.cs:line 26 Press any key to continue . . .

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  • How do I silence the following RightAWS messages when running tests

    - by Laurie Young
    I'm using the RighAWS gem, and mocking at the http level so that the RightAWS code is being executed as part of my tests. When this happens I get the following output ....New RightAws::S3Interface using per_request-connection mode Opening new HTTP connection to s3.amazonaws.com:80 .New RightAws::S3Interface using per_request-connection mode . Even though all the tests pass, when I do have errors its harder to scan them because of this output. is there a nice way to silence it?

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  • cant read the json fom yahoo pipe.

    - by Bunny Rabbit
    $(function(){ $.getJSON('http://pipes.yahoo.com/pipes/pipe.run?_id=7ba696f34ae17b6fa8f5d4de13064dea&_render=json&callback=?',function(data){alert('called')}); }); i am using the above code to acess the a yahoo pipe i created to convert the last.fm xml output to json.but the firebug console output is showing me invalid label http://pipes.yahoo.com/pipes/pipe.run?_id=7ba696f34ae17b6fa8f5d4de13064dea&_render=json&callback=jsonp1276401573015 Line 1 while i can view the result using a browser in a perfectly normal way.also i validated the json using jsonlint and it shows the json is valid,what migt be the problem ?

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  • Php DOMDocument Htmlentities problem

    - by scopus
    Hi, I use DOMDocument. My code here. $dom = new DOMDocument('1.0', 'utf-8'); $textNode = $dom->createTextNode('<input type="text" name="lastName" />'); $dom->appendChild($textNode); echo $dom->saveHTML(); Output: &lt;input type="text" name="lastName" &gt; But i want to disable htmlentities. How can i do?

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  • Mechanize Javascript ...

    - by Horace Ho
    I try to submit a form by Mechanize, however, I am not sure how to add necessary form valuables which are done by some Javascript. Since Mechanize does not support Javascript yet, and so I try to add the variables manually. The form source: <form name="aspnetForm" method="post" action="list.aspx" language="javascript" onkeypress="javascript:return WebForm_FireDefaultButton(event, '_ctl0_ContentPlaceHolder1_cmdSearch')" id="aspnetForm"> <input type="hidden" name="__EVENTTARGET" id="__EVENTTARGET" value="" /> <input type="hidden" name="__EVENTARGUMENT" id="__EVENTARGUMENT" value="" /> <input type="hidden" name="__LASTFOCUS" id="__LASTFOCUS" value="" /> <input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="/..." /> <script type="text/javascript"> <!-- var theForm = document.forms['aspnetForm']; if (!theForm) { theForm = document.aspnetForm; } function __doPostBack(eventTarget, eventArgument) { if (!theForm.onsubmit || (theForm.onsubmit() != false)) { theForm.__EVENTTARGET.value = eventTarget; theForm.__EVENTARGUMENT.value = eventArgument; theForm.submit(); } } // --> </script> <script language="javascript"> <!-- var _linkpostbackhit = 0; function _linkedClicked(id, key, str, a, b) { if (!b || !_linkpostbackhit) { if (!a) { __doPostBack(key, id); _linkpostbackhit = 1; } else { if (window.confirm(str)) { __doPostBack(key, id); _linkpostbackhit = 1; } } } return void(0); } // --> </script> ... <a href="JavaScript:_linkedClicked('123456','_ctl0:ContentPlaceHolder1:Link', '',0,1);">123456</a> ... </form> I tried to add the 2 variables: page.forms.first['__EVENTTARGET'] = '_ctl0:ContentPlaceHolder1:Link' page.forms.first['__EVENTARUGMENT'] = '123456' and submit the form: page.forms.first.click_button(page.forms.first.buttons.first) The result returned only (re)show the current list of links as if I have not clicked on any of the links. Any help will be appreciated. Thanks!

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  • find elements of a varchar in another varchar

    - by Luca Romagnoli
    hi, i have a varchar field with the content like these: a,b,c,d e,d,a,c b,q,d,e i need to do a query that select only the rows with the field that has elements equals with an input string. ex input: c,a rows selected: a,b,c,d e,d,a,c is possible without use the OR (field like '%a%' OR field like '%c%') ? thanks

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  • javascript regex validation

    - by Arun
    Is there any way to find which input character fails the regex pattern. For ex: consider [A-Za-z\s.&] is only allowable but the user enter like "test/string" where '/' invalidates input. How to find who fails regex (our case '/')

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  • Java - JSON Null Exception

    - by user1112111
    Hi, I'm using JSON to deserialize an input string that contains a null value for certain hashmap property. Does anyone have any clue why this exception occurs ? Is it possible that null is not accepted as a value Is this configurable somehow ? input sample: {"prop1":"val1", "prop2":123, "prop3":null} stacktrace: net.sf.json.JSONException: null object at net.sf.json.JSONObject.verifyIsNull(JSONObject.java:2856) at net.sf.json.JSONObject.isEmpty(JSONObject.java:2212) Thanks.

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  • Cannot change borderColor of TD

    - by Tadeus Prastowo
    Using JS to set the background color of a TD is fine. But, setting the border color is problematic in FF 3.0.18 although IE 6 doesn't experience this. FF is problematic in that it requires the TD element to have an attribute style initialized to border-style: solid. Without that, setting border color of a TD won't work. Is this known bug? How do I set the border color without having to set style attribute as well as the initialization value? I know another trick of setting the class attribute instead of setting the border color directly. Is this an indication that somehow TD hates having its border color set dynamically? Is this known as well? The problematic code is below (the goal is find out why setting the border color of simple truth 1 does not work while simple truth 3 works when I employ the trick described above): <html> <head> <title>Quirks FF 3.0.18</title> <style type="text/css"> table { border-collapse: collapse; } </style> <script type="text/javascript"> function changeBgColor() { document.getElementById('simple').style.backgroundColor='yellow'; document.getElementById('simple2').style.backgroundColor='yellow'; document.getElementById('simple3').style.backgroundColor='yellow'; } function quirk(id) { var x = document.getElementById(id); x.style.border = '2px solid red'; } </script> </head> <body> <input type="button" onclick="changeBgColor()" value="Change background color"/> <input type="button" onclick="quirk('simple')" value="Change border color 1"/> <input type="button" onclick="quirk('simple2')" value="Change border color 2"/> <input type="button" onclick="quirk('simple3')" value="Change border color 3"/> <table> <tr><td id="simple">Simple truth 1</td></tr> </table> <table> <tr><td><span id="simple2">Simple truth 2</span></td></tr> <table> <tr><td id="simple3" style="border-style: solid">Simple truth 3</td></tr> </table> </body> </html>

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  • Cache aspx page returning an asset on client?

    - by Lieven Cardoen
    How do you cache an aspx page call on the client? The aspx page returns an asset and looks like this: http://srv-edu-build/edumatic3/dev/RetrieveBlob.aspx?assetId=31809&assetFileId=9823 We have tried with Output Cache, with caching in the code behind, but the only result we get is server side caching (by IIS7). In the header of the response cache-control is set to public and expiration time is set (to 14800 as set in output cache profile).

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  • php if clause inside foreach not retrieving data correctly

    - by Mike
    Here's my issue: In my controller, I want to grab user input from a form. I then parse the input, and compare it to database values to ensure I'm grabbing the correct input. I simply want to match the user's answers to the question, grab the user ID, the question ID, and then determine if the answer applies to a multiple choice or checkbox question, or something else. I take those values and insert them into the answer table. Ignore the waiver stuff. I'll test that once I get the answers input correctly. // add answers and waiver consent records try { $answerArray = array(); $waiverArray = array(); // retrieve answers, waiver consents, and the question ID's from form object foreach ($formData as $key => $value) { $parts = explode("_", $key); if ($parts[0] == 'question') { array_push($answerArray, $value); } if ($parts[0] == 'waiverTitle') { array_push($waiverArray, $value); } } $questions = new Model_DbTable_Questions(); $questionResults = $questions->getQuestionResults($session->idEvent); foreach ( $questionResults as $qr ) { if ($qr ['questionType'] == 'multipleChoice' || $qr ['questionType'] == 'checkBox') { foreach ( $answerArray as $aa ) { $answerData = $answers->addAnswer ( $lastUserID, $qr ['idQuestion'], null, $aa ); echo count ( $answerData ) . ', ' . $qr ['questionType'] . ', ' . $aa . '<br />'; } } else { foreach ( $answerArray as $aa ) { $answerData = $answers->addAnswer ( $lastUserID, $qr ['idQuestion'], $aa, null ); echo count ( $answerData ) . ', ' . $qr ['questionType'] . ', ' . $aa . '<br />'; } } } } catch (Zend_Db_Statement_Exception $e) { $e->getMessage(); throw $e; } From my test data, I expect to get 2 records that match the multiple choice and checkbox criteria, and 1 record for text in the ELSE clause like this: 3, checkbox, 1 3, multipleChoice, 1 3, text, question_2 What I get is a 3x3 Cartesian product, 3 question elements each with the 3 possible answers like this output from the echo statements: 4, checkBox, 1 4, checkBox, 1 4, checkBox, question_2 4, multipleChoice, 1 4, multipleChoice, 1 4, multipleChoice, question_2 4, text, 1 4, text, 1 4, text, question_2 I've tried placing the IF clause inside the inner foreach, but I get the same results. I've been staring at this problem for way too long and cannot see what I'm doing wrong. Your kind assistance would be greatly appreciated. Please let me know if my request requires more clarification.

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  • populating flexgrid with a file vb6

    - by Andeeh
    So I need to put all the names in a file into column 1 on flexgird, each name should go on its own row. here is what I have but i just get "invalid row value" namefile = App.Path & "\names.dat" Open namefile For Input As #1 While Not EOF(1) Input #1, x With MSFlexGrid1 .Col = 1 .Rows = rowcount + 1 .Text = x End With Wend End Sub Any help would be fantastic and thanks in advance

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  • Software to Tune/Calibrate Properties for Heuristic Algorithms

    - by Karussell
    Today I read that there is a software called WinCalibra (scroll a bit down) which can take a text file with properties as input. This program can then optimize the input properties based on the output values of your algorithm. See this paper or the user documentation for more information (see link above; sadly doc is a zipped exe). Do you know other software which can do the same which runs under Linux? (preferable Open Source)

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  • setting a value through jquery

    - by Hulk
    <script> function edit(elem) { var ele=$(elem).siblings('label#test').html(); var a=document.getElementById('test'); var htm = '<input type="text" name="modal" id="modal" style="width:70%;" value="'+$(elem).siblings('label#test').html();+'"/>'; $dialog.html(htm) .dialog({ autoOpen: true, position: 'center' , title: 'EDIT', draggable: false, width : 300, height : 40, resizable : false, modal : true, buttons: { "Save" : function() { if($('#modal').val() != ''){a.value=$('#modal').val();$dialog.dialog('close');} else {alert('i++'+$('#modal').val()+'++');} } } }); $dialog.dialog('open'); } $(document).ready(function() { var flag=0; $("input:radio[@name=template]").click(function() { var checkedoption = $(this).val(); if (checkedoption == "template3") { if (flag == 0) { var html = '<input type="text" name="val" id="val" />&nbsp;&nbsp;&nbsp;<input type="button" value="Add" id="add"><br>'; $('#useroptions').append(html); flag=1; $('#add').click(function(){ var a = $('#val').val(); if (a == '') { alert('Enter options'); } else { var section= '<tr class="clickable"><td id="userval" BGCOLOR="#FF6699"><label id="test">' + a + '</label>&nbsp;&nbsp;&nbsp; <IMG SRC="/media/img/chunkedit.gif" onclick="javascript:edit(this);" >&nbsp;&nbsp;&nbsp;<IMG SRC="/media/img/close.gif" onclick="javascript:remove(this);" ></td></tr>'; $('#useroptions').append(section); } }); } } }); }); </script> <form> <table> <tr><td> <div id="useroptions"></div> </tr></td> </table> </form> How to set a new value for test in the above code.. Thanks

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  • Getting 256 colors out of ruby-ncurses

    - by push.cx
    I've got 256 colors working great in my terminal (test scripts here), but it stops working when I use ncurses (via Ruby-ncurses). Printing the escape sequences given on that page works fine, but when I initialize ncurses 'puts' stops working and I can't output the colors with any of the various ncurses color changing/string output functions I've found. What gives?

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  • FindBugs: "may fail to close stream" - is this valid in case of InputStream?

    - by thSoft
    In my Java code, I start a new process, then obtain its input stream to read it: BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream())); FindBugs reports an error here: may fail to close stream Pattern id: OS_OPEN_STREAM, type: OS, category: BAD_PRACTICE Must I close the InputStream of another process? And what's more, according to its Javadoc, InputStream#close() does nothing. So is this a false positive, or should I really close the input stream of the process when I'm done?

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  • Python, a smarter way of string to integer conversion

    - by Hellnar
    Hello I have written this code to convert string in such format "0(532) 222 22 22" to integer such as 05322222222 . class Phone(): def __init__(self,input): self.phone = input def __str__(self): return self.phone #convert to integer. def to_int(self): return int((self.phone).replace(" ","").replace("(","").replace(")","")) test = Phone("0(532) 222 22 22") print test.to_int() It feels very clumsy to use 3 replace methods to solve this. I am curious if there is a better solution?

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  • How can I turn a string of text into a BigInteger representation for use in an El Gamal cryptosystem

    - by angstrom91
    I'm playing with the El Gamal cryptosystem, and my goal is to be able to encipher and decipher long sequences of text. I have come up with a method that works for short sequences, but does not work for long sequences, and I cannot figure out why. El Gamal requires the plaintext to be an integer. I have turned my string into a byte[] using the .getBytes() method for Strings, and then created a BigInteger out of the byte[]. After encryption/decryption, I turn the BigInteger into a byte[] using the .toByteArray() method for BigIntegers, and then create a new String object from the byte[]. This works perfectly when i call ElGamalEncipher with strings up to 129 characters. With 130 or more characters, the output produced is garbled. Can someone suggest how to solve this issue? Is this an issue with my method of turning the string into a BigInteger? If so, is there a better way to turn my string of text into a BigInteger and back? Below is my encipher/decipher code. public static BigInteger[] ElGamalEncipher(String plaintext, BigInteger p, BigInteger g, BigInteger r) { // returns a BigInteger[] cipherText // cipherText[0] is c // cipherText[1] is d BigInteger[] cipherText = new BigInteger[2]; BigInteger pText = new BigInteger(plaintext.getBytes()); // 1: select a random integer k such that 1 <= k <= p-2 BigInteger k = new BigInteger(p.bitLength() - 2, sr); // 2: Compute c = g^k(mod p) BigInteger c = g.modPow(k, p); // 3: Compute d= P*r^k = P(g^a)^k(mod p) BigInteger d = pText.multiply(r.modPow(k, p)).mod(p); // C =(c,d) is the ciphertext cipherText[0] = c; cipherText[1] = d; return cipherText; } public static String ElGamalDecipher(BigInteger c, BigInteger d, BigInteger a, BigInteger p) { //returns the plaintext enciphered as (c,d) // 1: use the private key a to compute the least non-negative residue // of an inverse of (c^a)' (mod p) BigInteger z = c.modPow(a, p).modInverse(p); BigInteger P = z.multiply(d).mod(p); byte[] plainTextArray = P.toByteArray(); String output = null; try { output = new String(plainTextArray, "UTF8"); } catch (Exception e) { } return output; }

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  • Python regex compile (with re.VERBOSE) not working

    - by bfloriang
    I'm trying to put comments in when compiling a regex but when using the re.VERBOSE flag I get no matchresult anymore. (using Python 3.3.0) Before: regex = re.compile(r"Duke wann", re.IGNORECASE) print(regex.search("He is called: Duke WAnn.").group()) Output: Duke WAnn After: regex = re.compile(r''' Duke # First name Wann #Last Name ''', re.VERBOSE | re.IGNORECASE) print(regex.search("He is called: Duke WAnn.").group())` Output: AttributeError: 'NoneType' object has no attribute 'group'

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