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• Best Practices for Sanitizing SQL inputs Using JavaScript?

  - by Greg Bulmash

  So, with HTML5 giving us local SQL databases on the client side, if you want to write a select or insert, you no longer have the ability to sanitize third party input by saying $buddski = mysql_real_escape_string($tuddski) because the PHP parser and MySQL bridge are far away. It's a whole new world of SQLite where you compose your queries and parse your results with JavaScript. But while you may not have your whole site's database go down, the user who gets his/her database corrupted or wiped due to a malicious injection attack is going to be rather upset. So, what's the best way, in pure JavaScript, to escape/sanitize your inputs so they will not wreak havoc with your user's built-in database? Scriptlets? specifications? Anyone?

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• Stable random color algorithm

  - by Olmo

  Here we have an interesting real-world algorithm requirement involving colors. 1) Nice random colors: In ordeeing to draw a beautifull chart (i.e: pie chart) we need to pick a random set of Colors that: a) are different enought b) Play nicely Doesnt Look hard. For example u fix bright and saturation and divide hue in steps of 360/Num_sectors 2) Stable: given Pie1 with sectors with labes ('A','B','C') and Pie2 with sector with labels ('B','C','D'), will be nice if color('B',pie1)= color('B',pie2) and the same for 'C' and so on, so people don't get crazy when seeing similar updated charts, even if some sectors appear some dissapeared or the number of sectors changed. The label is the only stable thing. 3) hard-coded colors: the algorithm allows hardcoded label-color relationships as an input but stills doing a good work (1 & 2) for the rest of free labels. I think this algorithm, even if it looks quite ad-hoc, will be usefull in more then one situation. Any ideas?

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• Split a line from a para in java

  - by John

  Hi... I am having problem splitting a para into line.... i need to first read a file then split in into lines if i get a . or ! or ? I also need to remove any extra white space... This is wad i've written so far.... try { Scanner line = new Scanner(mFile); mLine = line.nextLine(); String Matrix[]=mLine.split("\\."); for (int i = 0; i < Matrix.length; ++i) { System.out.println(Matrix[i]); } Input: Hi. My name is John. Who are you ? Output: Hi My name is John Who are you

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• asp.net mvc textbox date format

  - by maxxxee

  My form contains a textbox for date input. When submitted the data is used to add a row to the table. The view is strongly typed to the table. The problem is that the database server is configured with US date format. But the users need to use UK date format in the textbox. When users enter uk date format error is thrown. The database server configuration cannot be changed. So what can be done so that users can enter date in uk format?

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• OpenCV - DLL missing, but it's not?

  - by charles-22

  I am trying just a basic program with OpenCV with the following code: #include "cv.h" #include "highgui.h" int main() { IplImage* newImg; newImg = cvLoadImage("~/apple.bmp", 1); cvNamedWindow("Window", 1); cvShowImage("Window", newImg); cvWaitKey(0); cvDestroyWindow("Window"); cvReleaseImage(&newImg); return 0; } When I run this, I get The program can't start because libcxcore200.dll is missing from your computer. Try reinstalling the program to fix this problem. However, I can see this DLL. It exists. I have added the following to the input dependencies for my linker C:\OpenCV2.0\lib\libcv200.dll.a C:\OpenCV2.0\lib\libcvaux200.dll.a C:\OpenCV2.0\lib\libcxcore200.dll.a C:\OpenCV2.0\lib\libhighgui200.dll.a What gives? I'm using visual studio 2008.

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• xforms "instance namespace" issue

  - by user302254

  I am creating an Xform that reads an XML document and creates an input form for updating the document. However, apparently due to a namespace issue none of my Xpath expressions resolve.My form works fine on a simple instance when the instance file has no namespace. However, I need the namespace support. My instance file has a namespace "ai:inventory." I am referencing the instance data Where should I be declaring the prefix "ai" for my namespace so that my XPath expressions can find the appropriate elements? /ai:inventory/products ? I've tried creating the prefix in the html opening tag... that didn't help. thanks,

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• One position right barrel shift using ALU Operators?

  - by Tomek

  I was wondering if there was an efficient way to perform a shift right on an 8 bit binary value using only ALU Operators (NOT, OR, AND, XOR, ADD, SUB) Example: input: 00110101 output: 10011010 I have been able to implement a shift left by just adding the 8 bit binary value with itself since a shift left is equivalent to multiplying by 2. However, I can't think of a way to do this for shift right. The only method I have come up with so far is to just perform 7 left barrel shifts. Is this the only way?

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• jquery ui autocomplete database

  - by user343925

  Hello, I'd like to use jQuery UI autocomplete in order to load a list from my database but I don't know wich method I should use to do so. I tried to use the "Remote datasource" method [url]http://jqueryui.com/demos/autocomplete/#remote[/url], but it obviously doesn't work. I have the following code : js: $(function() { $("#client").autocomplete({ source: "nom.php", minLength: 2, select: function(event, ui) { alert(ui); } }); }); html : <label for="client">Client</label> <input name="client" id="client" class="ui-autocomplete ui-widget-content ui-corner-all" /> php: $query = "SELECT nom from personne"; $result = mysql_query($query, $db); while($row = mysql_fetch_assoc($result)) { foreach($row as $val) $tab[] = $val; } print json_encode($tab); It does work with ["hello","test1","test2"] instead of the url but I need to load datas form database so pls tell me how I should do. thank you

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• JDOM 1.1: hyphen is not a valid comment character

  - by Stefan Kendall

  I'm using tagsoup to clean some HTML I'm scraping from the internet, and I'm getting the following error when parsing through pages with comments: The data "- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - " is not legal for a JDOM comment: Comment data cannot start with a hyphen. I'm using JDOM 1.1, and here's the code that does the actual cleaning: SAXBuilder builder = new org.jdom.input.SAXBuilder("org.ccil.cowan.tagsoup.Parser"); // build // Don't check the doctype! At our usage rate, we'll get 503 responses // from the w3. builder.setEntityResolver(dummyEntityResolver); Reader in = new StringReader(str); org.jdom.Document doc = builder.build(in); String cleanXmlDoc = new org.jdom.output.XMLOutputter().outputString(doc); Any idea what's going wrong, or how to fix this? I need to be able to parse pages with long comment strings of <!--------- data ------------>

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• Why is my masm32 program crashing whenever I try using interrupts?

  - by incrediman

  Here's the code: .386 ;target for maximum compatibility .model small,stdcall ;model .code main: int 20h END main Result: http://img705.imageshack.us/img705/3738/resultom.png "test.exe has stopped working" - always right when it reaches the interrupt. This is the interrupt I'm trying to use. It should simply exit the program. Others I've tried include character input/output, etc.. Nothing works. I'm on windows 7, using masm32 with the WinAsm IDE. There are so many cool things it seems I should be able to do with interrupts... however, it crashes whenever I try to use an interrupt - always the same way. This seems related and possibly useful: http://stackoverflow.com/questions/1414260/dos-interrupt-in-masm-x86-assembly-crashing ...but I haven't really been able to figure anything out from it. Any suggestions?

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• Change background color of disabled listbox in windows classic theme

  - by Mercury821

  I am developing a WPF application that must run using Windows Classic theme. The application creates a dialog box containing a ListBox. When the dialog box is shown, it must be disabled for 1s before accepting any input. I am accomplishing this with a style trigger, and it works. However, the ListBox shows a white background when it's disabled, which I can't seem to get rid of. When using the aero theme, the following style resource fixes the issue: <SolidColorBrush x:Key="{x:Static SystemColors.ControlBrushKey}" Color="Transparent"/> But when using Windows Classic theme, the white background reappears. How can i remedy the situation for Classic theme???

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• Drupal clean urls on custom page GET request.

  - by calebthorne

  I have a drupal page (content type page) that should accept GET values using clean urls. I put the following code in the page body using the php code input format. <?php $uid = $_GET['uid']; $user = user_load($uid); print $user->name; ?> Now the following link http://www.example.com/mypath/?uid=5 results in user 5's name being displayed. Great. My question is: Can this be accomplished using clean urls such that going to http://www.example.com/mypath/5 has the same result? (Similar to using arguments in views)

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• Regex to find external links from the html file using grep

  - by Amar

  hello, From past few days I'm trying to develop a regex that fetch all the external links from the web pages given to it using grep. Here is my grep command grep -h -o -e "\(\(mailto:\|\(\(ht\|f\)tp\(s\?\)\)\)\://\)\{1\}\(.*\?\)" "/mnt/websites_folder/folder_to_search" -r now the grep seem to return everything after the external links in that given line Example if an html file contain something like this on same line GoogleYahoo then the given grep command return the following result http://www.google.com">Google</a><p><a href='https://yahoo.com'>Yahoo</a></p> the idea here is that if an html file contain more than one links(`irrespective in a,img etc`) in same line then the regex should fetch only the links and not all content of that line I managed to developed the same in rubular.com the regex is as follow ("|')(\b((ht|f)tps?:\/\/)(.*?)\b)("|') with work with the above input but iam not able to replicate the same in grep can anyone help I can't modify the html file so don't ask me to do that neither I can look for each specific tags and check their attributes to to get external links as it addup processing time and my application doesn't demand that Thank You

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• Populate Dynamically created ASPX Page

  - by Sandhurst

  Well The title might be a lil confusing, what I am currently doing is creating an aspx form dynamically and saving its data by using Server.Transfer("PrssPage.aspx"). On ProcessPage.aspx I am using the Previous Page property to save the data entered by the user using the dynamically created form. Each Dynamic Form is provided an ID for example 123.aspx Now what I want to achieve is to repopulate the dynamically created aspx page with the user input values from database, plz note here that I do not have an aspx.cs page getting dynamically generated. I am only generating aspx page. Any suggestion ?

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• Out of Memory - web applications

  - by Walter White

  Hi all, I am trying to figure out why Jetty 6.1.22 is running out of memory on my laptop. I have 2 web applications running JBoss Seam, Hibernate (with EHCache), and separate Quartz scheduler instances. With little load, the server dies throwing OutOfMemory. What can I look for? Would you think that I am not properly closing handles for input streams or files? I tried profiling my application with Netbeans, but it works off and on. Usually, it ends up locking up even though it doesn't use that much CPU or memory. Walter

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• Is there a default buffer length for 'sprintf' method?

  - by Isuru

  Hi, I used sprintf method to format data to a string which I want to write to a file, in C++ console application using VS 2008. The Input is a particular message, which has various variables and values (ex: Type 'int' and Value '10' / Type string and value "abc", etc.) When I send a two messages it works perfectly. But When I send more than two messages it gives a runtime error saying 0xC0000005: Access violation reading location 0xabababab. Why is this happening? Is it because the method 'sprintf' has a default buffer length? How can I overcome this problem?

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• Compass Rails 3.0 working with 'compass watch' but not without

  - by Mike Blyth

  I'm trying Compass with Rails 3.0.7, just trying to get started. Using gem compass-rails. If I put my sass file in app/assets/stylesheets and run 'compass watch', everything works ok: the compiled css is put into public/stylesheets. However, if I stop 'watch' and rely on Rails to do the compilation, it does not work. Instead, the program looks at the public/stylesheets/sass folder for the input. Furthermore, if a file in that folder has the '@include "compass"' directive, I get an error that the file is not found. How do I force Rails to look in the right place -- app/assets/stylesheets?

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• Building big, immutable objects without using constructors having long parameter lists

  - by Malax

  Hi StackOverflow! I have some big (more than 3 fields) Objects which can and should be immutable. Every time I run into that case i tend to create constructor abominations with long parameter lists. It doesn't feel right, is hard to use and readability suffers. It is even worse if the fields are some sort of collection type like lists. A simple addSibling(S s) would ease the object creation so much but renders the object mutable. What do you guys use in such cases? I'm on Scala and Java, but i think the problem is language agnostic as long as the language is object oriented. Solutions I can think of: "Constructor abominations with long parameter lists" The Builder Pattern Thanks for your input!

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• How to transform phrases and words into MD5 hash?

  - by brilliant

  Can anyone, please, explain to me how to transform a phrase like "I want to buy some milk" into MD5? I read Wikipedia article on MD5, but the explanation given there is beyond my comprehension: "MD5 processes a variable-length message into a fixed-length output of 128 bits. The input message is broken up into chunks of 512-bit blocks (sixteen 32-bit little endian integers)" "sixteen 32-bit little endian integers" is already hard for me. I checked the article on little endians and didn't understand a bit. However, the examples of some phrases and their MD5 hashes are very nice: MD5("The quick brown fox jumps over the lazy dog") = 9e107d9d372bb6826bd81d3542a419d6 MD5("The quick brown fox jumps over the lazy dog.") = e4d909c290d0fb1ca068ffaddf22cbd0 Can anyone, please, explain to me how this MD5 algorithm works on some very simple example? And also, perhaps you know some software or a code that would transform phrases into their MD5. If yes, please, let me know.

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• What is the best way to join/merge two tables by column cell matching in Excel?

  - by blunders

  I've found this excel add-in to buy that appears to do what I need, but I'd rather have code that's open to use as I wish. While a GUI is nice, it's not required. In an attempt to make the question more clear, I'm adding some two sample "input" tables in tab delimited form, and the resulting output table: SAMPLE_INPUT_TABLE_01 NAME<tab>Location John<tab>US Mike<tab>CN Tom<tab>CA Sue<tab>RU SAMPLE_INPUT_TABLE_02 NAME<tab>Age John<tab>18 Mike<tab>36 Tom<tab>54 Mary<tab>18 SAMPLE_OUTPUT_TABLE_02 NAME<tab>Age<Location> John<tab>18<tab>US Mike<tab>36<tab>CN Tom<tab>54<tab>CA Sue<tab>""<tab>RU Mary<tab>18<tab>"" If it matters, I'm using Office 2010 on Windows 7.

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• I'm a java developer struggling with jQuery

  - by Mustafa

  Guys i am very new to jQuery.I have started using the auto complete feature.What i want is while i click on an item provided by the auto complete the page should submit to another page.I am using : $().ready(function() { $("#name").autocomplete("contacts.jsp"); $("#name").result(function(event, data, formatted) { if (data) $(this).parent().next().find("input").val(data[1]); }); $("#name").setOptions({ mustMatch : false, max: 8, onClick:selectItem, autoFill: false }); }); And this gives me good data like :Aditi XaveirAsif Garhietc for 'A'Now what i want is on clicking Aditi Xaveir, the page should submit to AditiXaveir's profile page.How do i do that?

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• Oracle: error while trying to use formulas

  - by Yazeed

  I created an element with an input value of type "Day" , when i write a formula i get this error. Any idea what's wrong? APP-FF-33232: EATC_EXTRA_DAYS_ENTRY_EFFECTIVE_DATE_ENTRY_VALUE has null or not found allowed, but no default set specified. Cause: If a Database Item has null allowed, or not found allowed, then the item must also specify a default set to be used to provide default values in the event of these occurring. The item named has one of these conditions allowed, but the default set column in the FF_DATABASE_ITEMS table is null. Action: Please refer to your local support representative. -

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• DateTime: Require the user to enter a time component

  - by Heinzi

  Checking if a user input is a valid date or a valid "date + time" is easy: .NET provides DateTime.TryParse (and, in addition, VB.NET provides IsDate). Now, I want to check if the user entered a date including a time component. So, when using a German locale, 31.12.2010 00:00 should be OK, but 31.12.2010 shouldn't. I know I could use DateTime.TryParseExact like this: Dim formats() As String = {"d.M.yyyy H:mm:ss", "dd.M.yyyy H:mm:ss", _ "d.MM.yyyy H:mm:ss", "d.MM.yyyy H:mm:ss", _ "d.M.yyyy H:mm", ...} Dim result = DateTime.TryParseExact(userInput, formats, _ Globalization.CultureInfo.CurrentCulture, ..., result) but then I would hard-code the German format of specifying dates (day dot month dot year), which is considered bad practice and will make trouble should we ever want to localize our application. In addition, formats would be quite a large list of all possible combinations (one digit, two digits, ...). Is there a more elegant solution?

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• Are there any existing batch log file aggregation solutions?

  - by Mohan Gulati

  I wish to export from multiple nodes log files (in my case apache access and error logs) and aggregate that data in batch, as a scheduled job. I have seen multiple solutions that work with streaming data (i.e think scribe). I would like a tool that gives me the flexibility to define the destination. This requirement comes from the fact that I want to use HDFS as the destination. I have not been able to find a tool that supports this in batch. Before re-creating the wheel I wanted to ask the StackOverflow community for their input. If a solution exists already in python that would be even better.

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• HTML Button's jQuery function is having trouble with MVC FileResult

  - by Aaron Salazar

  I intended for this function to call my MVC action method that returns a CSV report. $(function() { $('#exportButton').click(function() { $.get('/curReport/GetCSVReport'); }); }); If I make a button like the code below then, when it is clicked, I'm given the "Open with/Save File" window. <input type="button" value="Export" onClick="location.href='CurReport/GetCSVReport'"> However, when I change my button to use my jQuery function then, although GetCSVReport() is called I'm not given the "Open with/Save File" window. Here is my GetCSVReport() public FileResult GetCSVReport() { ... return fileResult; } How can I get my jQuery function to work like the onClick? Thank you, Aaron

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