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Open source / commercial alternative for jiffy.js?

- by Marcel

Hi, we'd like to measure "client side web site performance". i.e. we would like to have answers to the following questions: how long did it takt to load and render a webpage (including alle graphics scripts etc.) this bundled with additional informations like user-agent, operating system etc. a graphical tool to analyze the data would be perfect I know jiffy ( http://code.google.com/p/jiffy-web/wiki/Jiffy_js ) but that isn't maintained anymore. I would prefer either a hosted solution (like google analytics) or a java based solution that we deploy for ourselves. Do you know something like that? Thanks, Marc

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SYN flooding still a threat to servers?

- by Rob

Well recently I've been reading about different Denial of Service methods. One method that kind of stuck out was SYN flooding. I'm a member of some not-so-nice forums, and someone was selling a python script that would DoS a server using SYN packets with a spoofed IP address. However, if you sent a SYN packet to a server, with a spoofed IP address, the target server would return the SYN/ACK packet to the host that was spoofed. In which case, wouldn't the spoofed host return an RST packet, thus negating the 75 second long-wait, and ultimately failing in its attempt to DoS the server?

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Do minidump files contain the timestamp of the crash?

- by Roger Lipscombe

The MiscInfoStream in a minidump file contains the process create time. I'd like to find out how long the process has been running for before the crash. Does a minidump file contain the exception timestamp anywhere? WinDbg on this dump file displays the following, which implies that it's in there somewhere... Debug session time: Tue Dec 29 15:49:20.000 2009 (GMT+0) System Uptime: not available Process Uptime: 0 days 0:33:03.000 Note that today's Mar 15, so this is almost certainly the timestamp of the crash. I'd like a programmatic way to retrieve that value and the "Process Uptime" value. I found the MINIDUMP_MISC_INFO_3 structure, which contains some timezone information, but it doesn't seem to contain the exception time.

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strange nhibernate exception? "(0xc0000005 at address 5A17BF2A): likely culprit is 'PARSE'."

- by nRk

Hi i am gettin a strange exception in may windows service application, but it was working fine for a long time and suddenly gave this error: 2010-05-11 07:00:03,154 ERROR [0 ] [NHibernate.Cfg.Configuration.LogAndThrow] - Could not compile the mapping document: xxxx.hbm.xml NHibernate.MappingException: Could not compile the mapping document: xxxx.hbm.xml ---> System.InvalidOperationException: Unable to generate a temporary class (result=1). error CS0001: Internal compiler error (0x80004005) error CS0001: Internal compiler error (0xc0000017) error CS0583: Internal Compiler Error (0xc0000005 at address 5A17BF2A): likely culprit is 'PARSE'. error CS0586: Internal Compiler Error: stage 'PARSE' error CS0587: Internal Compiler Error: stage 'PARSE' error CS0587: Internal Compiler Error: stage 'BEGIN' any could help me in understanding this issue/error why it came and to solve it? Thanks nRk

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PHP/Javascript - get php variable within javascript

- by McNabbToSkins

I have run into an interesting problem. I am currently developing php page and need to access a php variable within the javascript onload. $(document).ready(function() { var temp = <?php $page_id ?> } is this valid? I know that this might seem weird and not be allowed but I am developing a page that has two popup windows. The windows are created using the same view template and there is no way to distinguish between each other. If I stored a hidden value on the page with information unique to the page like so <input type="hidden" value="<?php $page_id ?> id="page_id" /> if there are two views open at the same time there is no way for me to get a unique page id like so var temp = $("#page_id").val(); Because there are two views witht he same input id that is not unique. Long story short is it valid to reference a php variable in the javascript.

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How can I embed firefox in a GUI application?

- by PeniWize

Has anyone ever embedded the firefox web browser technology in their own [unmanaged] C/C++ GUI application in the same way that IE can be embedded as a COM object? (I would like to do this on Linux, not Windows). Are there "better" alternatives to firefox? I'm open to anything as long as I can use it with non-GPL code. My needs are fairly basic; I only need fundamental HTML parsing and display of static local files, but I'd take advantage of more sophisticated technology, if I can get it. I'd like to be able to use JavaScript, but I can get by without it.

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Good Perlin noise resources/implementation?

- by Chumpy

Are there any good resources out there detailing Perlin noise generation? I understand that most languages have noise generating libraries available, but I'm interested in creating my own for fun/experience. I've already looked at this, which seems pretty popular, but it only gives an in-depth explanation of one dimensional noise. Google searches have been relatively unhelpful so far, as most of them focus on applications instead of how to create a generator. Books and/or websites are welcome, even if their focus is not the generation itself so long as it gives a thorough explanation of an implementation, or at least the concepts involved so I can "discover" my own.

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Team Foundation Server (TFS) Team Build Custom Activity C# Code for Assembly Stamping

- by Bob Hardister

For the full context and guidance on how to develop and implement a custom activity in Team Build see the Microsoft Visual Studio Rangers Team Foundation Build Customization Guide V.1 at http://vsarbuildguide.codeplex.com/ There are many ways to stamp or set the version number of your assemblies. This approach is based on the build number. namespace CustomActivities { using System; using System.Activities; using System.IO; using System.Text.RegularExpressions; using Microsoft.TeamFoundation.Build.Client; [BuildActivity(HostEnvironmentOption.Agent)] public sealed class VersionAssemblies : CodeActivity { /// <summary> /// AssemblyInfoFileMask /// </summary> [RequiredArgument] public InArgument<string> AssemblyInfoFileMask { get; set; } /// <summary> /// SourcesDirectory /// </summary> [RequiredArgument] public InArgument<string> SourcesDirectory { get; set; } /// <summary> /// BuildNumber /// </summary> [RequiredArgument] public InArgument<string> BuildNumber { get; set; } /// <summary> /// BuildDirectory /// </summary> [RequiredArgument] public InArgument<string> BuildDirectory { get; set; } /// <summary> /// Publishes field values to the build report /// </summary> public OutArgument<string> DiagnosticTextOut { get; set; } // If your activity returns a value, derive from CodeActivity<TResult> and return the value from the Execute method. protected override void Execute(CodeActivityContext context) { // Obtain the runtime value of the input arguments string sourcesDirectory = context.GetValue(this.SourcesDirectory); string assemblyInfoFileMask = context.GetValue(this.AssemblyInfoFileMask); string buildNumber = context.GetValue(this.BuildNumber); string buildDirectory = context.GetValue(this.BuildDirectory); // ** Determine the version number values ** // Note: the format used here is: major.secondary.maintenance.build // ----------------------------------------------------------------- // Obtain the build definition name int nameStart = buildDirectory.LastIndexOf(@"\") + 1; string buildDefinitionName = buildDirectory.Substring(nameStart); // Set the primary.secondary.maintenance values // NOTE: these are hard coded in this example, but could be sourced from a file or parsed from a build definition name that includes them string p = "1"; string s = "5"; string m = "2"; // Initialize the build number string b; string na = "0"; // used for Assembly and Product Version instead of build number (see versioning best practices: **TBD reference) // Set qualifying product version information string productInfo = "RC2"; // Obtain the build increment number from the build number // NOTE: this code assumes the default build definition name format int buildIncrementNumberDelimterIndex = buildNumber.LastIndexOf("."); b = buildNumber.Substring(buildIncrementNumberDelimterIndex + 1); // Convert version to integer values int pVer = Convert.ToInt16(p); int sVer = Convert.ToInt16(s); int mVer = Convert.ToInt16(m); int bNum = Convert.ToInt16(b); int naNum = Convert.ToInt16(na); // ** Get all AssemblyInfo files and stamp them ** // Note: the mapping of AssemblyInfo.cs attributes to assembly display properties are as follows: // - AssemblyVersion = Assembly Version - used for the assembly version (does not change unless p, s or m values are changed) // - AssemblyFileVersion = File Version - used for the file version (changes with every build) // - AssemblyInformationalVersion = Product Version - used for the product version (can include additional version information) // ------------------------------------------------------------------------------------------------------------------------------------------------ Version assemblyVersion = new Version(pVer, sVer, mVer, naNum); Version newAssemblyFileVersion = new Version(pVer, sVer, mVer, bNum); Version productVersion = new Version(pVer, sVer, mVer); // Setup diagnostic fields int numberOfReplacements = 0; string addedAssemblyInformationalAttribute = "No"; // Enumerate over the assemblyInfo version attributes foreach (string attribute in new[] { "AssemblyVersion", "AssemblyFileVersion", "AssemblyInformationalVersion" }) { // Define the regular expression to find in each and every Assemblyinfo.cs files (which is for example 'AssemblyVersion("1.0.0.0")' ) Regex regex = new Regex(attribute + @"\(""\d+\.\d+\.\d+\.\d+""\)"); foreach (string file in Directory.EnumerateFiles(sourcesDirectory, assemblyInfoFileMask, SearchOption.AllDirectories)) { string text = File.ReadAllText(file); // Read the text from the AssemblyInfo file // If the AsemblyInformationalVersion attribute is not in the file, add it as the last line of the file // Note: by default the AssemblyInfo.cs files will not contain the AssemblyInformationalVersion attribute if (!text.Contains("[assembly: AssemblyInformationalVersion(\"")) { string lastLine = Environment.NewLine + "[assembly: AssemblyInformationalVersion(\"1.0.0.0\")]"; text = text + lastLine; addedAssemblyInformationalAttribute = "Yes"; } // Search for the expression Match match = regex.Match(text); if (match.Success) { // Get file attributes FileAttributes fileAttributes = File.GetAttributes(file); // Set file to read only File.SetAttributes(file, fileAttributes & ~FileAttributes.ReadOnly); // Insert AssemblyInformationalVersion attribute into the file text if does not already exist string newText = string.Empty; if (attribute == "AssemblyVersion") { newText = regex.Replace(text, attribute + "(\"" + assemblyVersion + "\")"); numberOfReplacements++; } if (attribute == "AssemblyFileVersion") { newText = regex.Replace(text, attribute + "(\"" + newAssemblyFileVersion + "\")"); numberOfReplacements++; } if (attribute == "AssemblyInformationalVersion") { newText = regex.Replace(text, attribute + "(\"" + productVersion + " " + productInfo + "\")"); numberOfReplacements++; } // Publish diagnostics to build report (diagnostic verbosity only) context.SetValue(this.DiagnosticTextOut, " Added AssemblyInformational Attribute: " + addedAssemblyInformationalAttribute + " Number of replacements: " + numberOfReplacements + " Build number: " + buildNumber + " Build directory: " + buildDirectory + " Build definition name: " + buildDefinitionName + " Assembly version: " + assemblyVersion + " New file version: " + newAssemblyFileVersion + " Product version: " + productVersion + " AssemblyInfo.cs Text Last Stamped: " + newText); // Write the new text in the AssemblyInfo file File.WriteAllText(file, newText); // restore the file's original attributes File.SetAttributes(file, fileAttributes); } } } } } }

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Performance Counters Registry validation

- by anchandra

I have a C# application that adds some performance counters when it starts up. But if the registry HKEY_LOCAL_MACHINE-SOFTWARE-Microsoft-Windows NT-CurrentVersion-Perflib is corrupted (missing or invalid data), the operation of checking the existence of the performance counters (PerformanceCounterCategory.Exists(category) takes a really long time (around 30 secs) before finally throwing exception (InvalidOperation: Category does not exist). My question is how can i verify the validity of the registry before trying to add the performance counters (and what validity means) or if there is a way i can timeout the perf counter operations, so that it doesn't take 30 seconds to get an exception.

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What is a programmer's life like?

- by Zee JollyRoger

Imagine like an 8-hour long video of any "typical/average" programming job. What is it like? Before I get myself involved in that path, what can I expect? I am interested in gathering first-hand information and accounts of the typical life of a programmer. My goal is to grasp the fundamental concepts of working in the professional field of programming. I just want to "see" into what it is/means to come to an entry-level programming job and program. See what kind of skills, mentality, expectations, and such are required.

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Audio queue start failed

- by mobapps99

Hi , i'm developing a project which has both audio streaming and playing audio from file. For audio streaming i'm using AudioStreamer and for playing from file i'm using avaudioplayer. Both streaming and playing works perfectly as long as the app is not interrupted by a phone call or sms. But when a call/sms comes after dismissing the call when i try to restart streaming i'm getting the error "Audio queue start failed" . This happens only when i have used avaudioplayer at least once and after that used streaming. When the avaudioplayer obeject is not created , in this scenario the there is no problem with resuming streaming after dismissing the call. My guess is that some thing is wrong with audioqueue. Help is very much appreciated.......

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Problem with HSQLDB & SequenceGenerator

- by Srirangan

Hi, I have an entity which has an ID field: @Id @Column(name = "`U##ID_VOIE`") @GeneratedValue(generator = "VOIE_SEQ") private String id; The class has the sequence generator defined as well: @SequenceGenerator(name = "VOIE_SEQ", sequenceName = "VOIE_SEQ") and the Oracle schema has the requisite sequence present. Everything works okay. We also have tests, which uses an in-memory HSQLDB. Before running the tests, all the tables are created based on the Hibernate entity classes. However the table for this particular class is not being created. And error pops up, because ID is a String and the SequenceGenerator in HSQLDB returns an INT / LONG / Numeric value. The application is using a legacy Oracle database and ID_VOIE column must remain a String / Varchar. Any solutions?

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Pushing app to heroku problem

- by Ryan Max

Hi, I am trying to push my app to heroku and I get the following message: $ heroku create Creating electric-meadow-15..... done Created http://electric-meadow-15.heroku.com/ | [email protected]:electric-meadow-1 5.git $ git push heroku master ! No such app as fierce-fog-63 fatal: The remote end hung up unexpectedly It's weird that I am getting this now, I have pushed the app to heroku many times without issue. the especially weird thing is, fierce-fog-63 is an old app that I made a deleted a long time ago. Why is it now that heroku is trying to push to this app that doesn't exist anymore, especially when I have created a new one. Any suggestions?

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Getting around the Max String size in a vba function?

- by Ommit

The max number of characters you can use in string in a vba function is 255. I am trying to run this function Var1= 1 Var2= 2 . . . Var256 =256 RunMacros= "'Tims_pet_Robot """ & Var1 & """ , """ & Var2 & """ , """ ... """ & Var256 """ '" Runat=TimeValue("15:00:00") Application.OnTime EarliestTime:=Runat, Procedure:=RunMacros & RunMacros2 ', schedule:=True It runs a procedure at a certain time and passes a bunch of variables to it. but the string is too long.

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Hudson build defaults

- by toluju

This has been a fairly long-standing problem for us with our Hudson installation, and searching around the Hudson Wiki / Issue Tracker hasn't yielded any insight to this. The question: Is it possible to set certain default values for a maven2 build in Hudson? For example, we want all our projects to run the "clean" goal before a build, we want all our builds to poll the SCM hourly, and we want all our builds to deploy to our maven repository on build success. Right now, we have to manually set these setting for every project individually, which can be rather time consuming as we have 30+ different projects all being managed by Hudson. This is especially annoying if we need to change a particular setting that will affect all projects (e.g. change the repository URL). Given that I couldn't find any mention of this on the Wiki or Issue Tracker leads me to believe that I'm missing something obvious, but I cannot find an answer on my own.

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MySQL Select problems

- by John Nuñez

Table #1: qa_returns_items Table #2: qa_returns_residues I have a long time trying to get this Result: item_code - item_quantity 2 - 1 3 - 2 IF qa_returns_items.item_code = qa_returns_residues.item_code AND status_code = 11 THEN item_quantity = qa_returns_items.item_quantity - qa_returns_residues.item_quantity ELSEIF qa_returns_items.item_code = qa_returns_residues.item_code AND status_code = 12 THEN item_quantity = qa_returns_items.item_quantity + qa_returns_residues.item_quantity ELSE show diferendes END IF I tried this Query: select SubQueryAlias.item_code, total_ecuation, SubQueryAlias.item_unitprice, SubQueryAlias.item_unitprice * total_ecuation as item_subtotal, item_discount, (SubQueryAlias.item_unitprice * total_ecuation) - item_discount as item_total from ( select ri.item_code , case status_code when 11 then ri.item_quantity - rr.item_quantity when 12 then ri.item_quantity + rr.item_quantity end as total_ecuation , rr.item_unitprice , rr.item_quantity , rr.item_discount * rr.item_quantity as item_discount from qa_returns_residues rr left join qa_returns_items ri on ri.item_code = rr.item_code WHERE ri.returnlog_code = 1 ) as SubQueryAlias where total_ecuation > 0 GROUP BY (item_code); The query returns this result: item_code - item_quantity 1 - 2 2 - 2

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Dynamicly Inject img alt attribute jQuery

- by Brock

I need some help, and before we get going, I know it is probably not best practice, but I am doing some maintenance to an existing site and need to accomplish the following for a fix. <a rel="lightbox" href="site.com" title="a generated title"><img src="site.com/img" class="post-image" alt="a long description"/></a> Okay, so I am trying to figure out how to use jQuery or any other method to take the "alt" attribute from my image, and dynamically overwrite the "title" attribute of my "a" tag. Any help would be awesome, I am kinda lost at this juncture.

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Code for adding Content Controls Word 2007 C#

- by AProgrammer

Hey all, I was wondering if anyone has any idea how I can add Content Controls to a Word Document (Office 2007) from the Document Task/Action Pane via C#. The goal is the following: I want to have categorized information in the Task/Action Pane and have the user fill out the info there. Once they have filled out that information they'll click on a button and it will insert content Controls into the Word Document that has that Data. The reason I want to use Content Controls is because the data will be bound to a database. Is this possible? I would like links that do this without WordProcessingML or OpenXML. There has to be a way to do this via server side code and such that doesn't require long blocks of ,, etc. Thanks!

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GUI freezing after datagridviews have been updated using backgroundworkers

- by Jhon

I have made an application which runs three backgroundworkers simultaneously. It basically updates three datagridviews, which it is doing spot on. My problem is if I press maximizebox button or anywhere in any of the datagridview the program hangs for quite a long time. I am able to use the horizontal scroll but not vertical scrolls. I have tried Backgroundworker_runworkercompleted and it fires as required after threads have updated their respective datagridviews. Is it a normal behaviour or am i doing something wrong any suggestions would be helpful. P.S: I have run the whole program using step method and their is no infinite loop in the code. Thanks in advance Jhon

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iOS 5 fixed positioning and virtual keyboard

- by jeffc

I have a mobile website which has a div pinned to the bottom of the screen via position:fixed. All works fine in iOS 5 (I'm testing on an iPod Touch) until I'm on a page with a form. When I tap into an input field and the virtual keyboard appears, suddenly the fixed position of my div is lost. The div now scrolls with the page as long as the keyboard is visible. Once I click Done to close the keyboard, the div reverts to its position at the bottom of the screen and obeys the position:fixed rule. Has anyone else experienced this sort of behavior? Is this expected? Thanks.

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Parsing String to Time and insert in mysqldatabase

- by kawtousse

Goal: Parse a string from an input type text into TIME type to be inserted in MYSQL Database. String start= request.getParameter("startp"); System.out.println("start:" +start); SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss"); long ms=0; try { ms = sdf.parse(start).getTime(); System.out.println(" the value of ms is:" +ms); } catch (ParseException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } Time ts = new Time(ms); System.out.println("the value of ts is:" +ts); start:14:12 (value witch i entered actually in the form at the start field named startp) the value of ts is :01:00:00 java.text.ParseException: Unparseable date: "14:12" at java.text.DateFormat.parse(Unknown Source) ms not displayed I ensure that database type of the following parameter is TIME. Thanks.

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Why does Git display certain new folders when checking out old revisions?

- by ConnorG

Hey all - I'm still learning the ropes of Git (love it!) but the other day I noticed some behavior I just do not understand. We have, in essence, three folders that got moved into the repository at different times (one immediately after we created the repo, one a little while later, and one just recently). Recently, I had to get some code out of an old revision. I used git checkout <old SHA1 hash> to pull up one of our first checkins, when I noticed Git showed the old folder (as it should), as well as the newest folder (which got added to the repo long after the checked out commit was made). But it did not show the second folder. What would cause Git to display the newest folder with the old revision?

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Stretch column table in Primefaces

- by Orange91

How I can prevent to stretch table when I input long text: Screen: http://zapodaj.net/71821572f2445.jpg.html Meyby is it possible to make the text lines stretched row horizontally? My fragment example table: <p:dataTable id="table" styleClass="table" value="#{userMB.allInactive}" var="inactive" paginator="true" rows="15" rowKey="#{inactive.id}" selection="#{userMB.user}" selectionMode="single" > <f:facet name="header"> Lista kont nieaktywnych </f:facet> <p:column headerText="#{msg.firstName}"> <h:outputText value="#{inactive.firstName}" /> </p:column> I tried <p:column headerText="#{msg.firstName}" width="20px"> styleClass for column: <p:column styleClass="column" headerText="#{msg.firstName}" width="20px"> .column { width: 20px; } but I do not see any change, it does not work.

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Is there anyway to reduce IsolatedStorage capacity in Silverlight?

- by Edward Tanguay

With this code I can have Silverlight ask the user if he wants to increase IsolatedStorage: private void Button_IncreaseIsolatedStorage_Click(object sender, RoutedEventArgs e) { IsolatedStorageFile store = IsolatedStorageFile.GetUserStoreForApplication(); long newStorageCapacityInBytes = FileHelpers.GetMaxiumumSpace() + SystemHelpers.GetAmountOfStorageToIncreaseWhenNeededInBytes(); store.IncreaseQuotaTo(newStorageCapacityInBytes); Message = "IsolatedStorage increased. " + FileHelpers.GetSpaceLeftMessage(); } But if I try to set it to an amount less than it current is, I get an error that this is not possible. 1. Is there a workaround for this, i.e. can I reduce the amount of IsolatedStorage? 2. When the user agrees to increasing IsolatedStorage, can other applications use this capacity or just the application in which he increased it?

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Html Birthdate input usability best practice

- by Andrew Florko

Hello everybody, I am going to implement standard functionality - birthdate input on web form for PC. There are lots of interfaces how to implement this. Date picker (OMG, I can't stand picking date with it. Too many clicks required) 3 Dropdown lists. Day, Month, Year. (I am not very fond of it though - they are too long) Straightforward input: DD.MM.YYYY (My choice, but I am programmer, not a customer) ... some more What kind of input do you prefer? What is the worst one for your opinion?

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