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• How to debug unreleased COM references from managed code?

  - by Marek

  I have been searching for a tool to debug unreleased COM references, that usually cause e.g. Word/Outlook processes to hang in memory in case the code does not call Marshal.ReleaseCOMObject on all COM instances correctly. (Outlook 2007 partially fixes this for outlook addins, but this is a generic question). Is there a tool that would display at least a list of COM references (by type) held by managed code? Ideally, it would also display memory profiler-style object trees helping to debug where the reference increment occured. Debugging at runtime is not that important as being able to attach to a hung process - because the problem typically occurs when the code is done with the COM interface and someone forgot to release something - the application (e.g. winword) hangs in memory even after the calling managed application quits. If such tool does not exist, what is the (technical?) reason? It would be very useful for debugging a lot of otherwise very hard to find problems when working with COM interop.

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• Regex to detect a proper permalink?

  - by Fedor

  These permalinks above are rerouted to my page: page.php?permalink=events/foo page.php?permalink=events/foo/ page.php?permalink=ru/events/foo page.php?permalink=ru/events/foo/ The events is dynamic, it could be specials or packages. My dilemma is basically; I need to detect an empty link in order so I can feed a robots no index meta tag in the case of: page.php?permalink=events page.php?permalink=events/ page.php?permalink=ru/events/ page.php?permalink=ru/events I can't use a simple pattern such as [a-zA-Z]+\/?(.+)/ since it won't work on the i18n permalinks. What regex could I use which would detect this, using $_GET['permalink'] as the reference to the permalinks? And avoid false positives? Update: Empty link means there's no fragment after the "events/" part. These are empty: page.php?permalink=events page.php?permalink=events/ page.php?permalink=ru/events/ page.php?permalink=ru/events

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• DDD: Client-side script to enforce invariants

  - by Mosh

  Hello, One thing that I'm confused about in regards to DDD is that our domain is supposed to handle all business logic and enforce invariants. I have noticed some people (me included) handle certain invariants in the presentation layer (i.e. WebForms, Views, etc) with javascript. This is mainly done to improve performance so the server is not hit for every request which may be invalid. Even though this approach may be beneficial performance-wise, it violates DDD principles. What if the business rules are changed? This way we don't have a rich domain where all the business rules are captured. In case of a change, we should change the domain as well as the presentation layer. Has anyone come across this situation before? I'd like to know your thoughts on this. Cheers, Mosh

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• HTTP request failed! HTTP/1.1 505 HTTP Version Not Supported error

  - by shyam

  I'm trying to use file_get_contentsO() to get the response from a server and this error was encountered. Could someone tell me what is the reason and how to fix it? The portion of the code is: $api = "http://smpp5.routesms.com:8080/bulksms/sendsms?username=$username&password=$password&source=$source&destination=$destin&dlr=$dlr&type=$type&message=$message"; $resp = file_get_contents($api); The server responded correctly while I pasted the url in the browser. I learned that this is caused by the server rejecting the client's HTTP version, but I have no idea why that is happening in my case. Any help is much appreciated. Thanks in advance

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• Reshape data frame to convert factors into columns in R

  - by Alexander L. Belikoff

  I have a data frame where one particular column has a set of specific values (let's say, 1, 2, ..., 23). What I would like to do is to convert from this layout to the one, where the frame would have extra 23 (in this case) columns, each one representing one of the factor values. The data in these columns would be booleans indicating whether a particular row had a given factor value... To show a specific example: Source frame: ID DATE SECTOR 123 2008-01-01 1 456 2008-01-01 3 789 2008-01-02 5 ... <more records with SECTOR values from 1 to 5> Desired format: ID DATE SECTOR.1 SECTOR.2 SECTOR.3 SECTOR.4 SECTOR.5 123 2008-01-01 T F F F F 456 2008-01-01 F F T F F 789 2008-01-02 F F F F T I have no problem doing it in a loop but I hoped there would be a better way. So far reshape() didn't yield the desired result. Help would be much appreciated.

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• MVVM- How would I go about propagating settings between my main view-model (and other view-models) a

  - by Justin

  I am building a settings dialog for my application and right now all of the settings correspond with settings on the main view-model, but as I add more view's and view-models some may not. I need to know what the best practice is for loading the current settings into the settings dialog and then saving the settings to thier corresponding view-models if the user clicks okay. I will not be using the Properties.Settings.Default system to store settings since I want my application to be as portable as possible and this would store user scoped settings in the directory: C:\Users\ username \Local Settings\Application Data\ ApplicationName Instead of in my application's directory. In case it makes any difference I am using the MVVM Light Toolkit by Laurent Bugnion.

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• What software do you use for letter templating and printing?

  - by Pratik

  In our LOB application there is a very important use case of printing letters, which are then printed and posted out from a mail house (thousands per day). The current situation is that the letter templates are created in Word 97 and fields are mail merged from values in database using a VB.Net application that basically uses word automation. But depending on Word 97 is not a good idea today. We only have a couple of PCs that have Word 97 installed as rest of the company has moved to Office 2007. What software or technology (compatible with .Net) is available today that best suits this scenario. Is it better to do the same thing but move to Word 2007 or PDF or something else. Price may not be a factor. The important thing is that the letter templates must be designed by business users and data to fill placeholders come from DB. A bonus would be to import the hundreds of existing Word 97 letter templates without rewriting them from scratch.

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• cakephp VS codeigniter VS zend framework

  - by i need help

  Very possibly very related: What PHP framework would you choose for a new application and why? Zend or CakePHP? Which one is better? Some people say CakePHP is better for php 4, what do you think? In my case, I would like the following: Lesser code to write, have really strong library and plugin base. Always have new library etc added in from contributor, eg: google map and etc... Ability to use together with the templating system like smarty. Have ACL that can control all the permission level issue. Load class when needed, unload when not needed. Load class once and use globally. Can run in windows environment (I am using xampp to run my php in windows.) After the site done, I will upload all codes into windows 2008 server (using php 5)

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• Python noob question - why is my simple regex not working?

  - by coson

  Good Day, I have a simple Python question that I'm having brain freeze on. This code snippet works. But when I substitue "258 494-3929" with phoneNumber, I get the following error below: # Compare phone number phone_pattern = '^\d{3} ?\d{3}-\d{4}$' # phoneNumber = str(input("Please enter a phone number: ")) if re.search(phone_pattern, "258 494-3929"): print "Pattern matches" else: print "Pattern doesn't match!" ####################################################### Pattern does not match Please enter a phone number: 258 494-3929 Traceback (most recent call last): File "pattern_match.py", line 16, in phoneNumber = str(input("Please enter a phone number: ")) File "", line 1 258 494-3929 ^ SyntaxError: invalid syntax C:\Users\Developer\Documents\PythonDemo btw. I did import re and tried using rstrip in case of the \n What else could I be missing? TIA, coson

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• WPF databinding update comboxbox2 based on selection change in combobox1 with MVVM

  - by cody

  I have a combo box that I have bound to a list that exists in my viewmodel. Now when a users makes a selection in that combo box I want a second combo box to update its content. So, for example, combobox1 is States and combobox2 should contain only the Zipcodes of that state. But in my case I don't have a predefined lists before hand for combobox2, I need to go fetch from a db. Also, if needed, I could get all the potential values for combobox2 (for each combobox1 value) before hand, but I'd like to avoiding that if I can. How do I implement in WPF and using MVVM? I'm fairly new to this whole wpf\databinding\mvvm world.

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• ASP.NET MaskedEditExtender issue

  - by Eyla

  I have asp.net textbox with MaskedEditExtender. I set ClearTextOnInvalid property to ture so when invalid text is entered should clear the text. in my case I have mask=(999)999-9999, when I enter forexample 4 number should then the focus lost should clear the text because i did not enter complete number that fit the mask?? what I want to clear the text when the focus lost if no complete number has entered!! here is my code: <asp:TextBox ID="txtHomePhone" runat="server" Style="top: 147px; left: 543px; position: absolute; height: 22px; width: 128px" ></asp:TextBox> <cc1:MaskedEditExtender ID="txtHomePhone_MEE" runat="server" CultureAMPMPlaceholder="" CultureCurrencySymbolPlaceholder="" CultureDateFormat="" CultureDatePlaceholder="" CultureDecimalPlaceholder="" CultureThousandsPlaceholder="" CultureTimePlaceholder="" Enabled="True" Mask="(999)999-9999" TargetControlID="txtHomePhone" AutoComplete="False" ClearMaskOnLostFocus="true" ClearTextOnInvalid="True"> </cc1:MaskedEditExtender>

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• Specifying location of new inlineshape in Word VBA?

  - by Branan

  I'm working on a document "wizard" for the company that I work for. It's a .dot file with a header consisting of some text and some form fields, and a lot of VBA code. The body of the document is pulled in as an OLE object from a separate .doc file. Currently, this is being done as a Shape, rather than an InlineShape. I did this because I can absolutely position the Shape, whereas the InlineShape always appears at the beginning of the document. The problem with this is that a Shape doesn't move when the size of the header changes. If someone needs to add or remove a line from the header due to a special case, they also need to move the object that defines the body. This is a pain, and I'd like to avoid it if possible. Long story short, how do I position an InlineShape using VBA in Word? Oh, and this is for a 10-year-old system setup, so Office '97.

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• Cannot await 'Model.PersonalInfo'

  - by Gooftroop

  I have the following method in a DesignDataService class public async Task<T> GetData<T>(T dataObject) { var typeName = typeof(T).Name; switch (typeName) { case "PersonalInfo": var person = new PersonalInfo { FirstName = "Mickey", LastName = "Mouse" , Adres = new Address{Country="DLRP"} , }; return await person; } // end Switch } // GetData<T> How can I return a new PersonalInfo class from the DataService? For now I get the error Cannot await 'Model.PersonalInfo' Even when I change the return statement as follows return await person as Task; the error stays the same Thanks in advanced Danny

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• PLS-00103: Encountered the symbol "end-of-file" in simple update block

  - by rageingnonsense

  Hello, The following Oracle statement: DECLARE ID NUMBER; BEGIN UPDATE myusername.terrainMap SET playerID = :playerID,tileLayout = :tileLayout WHERE ID = :ID END; Gives me the following error: ORA-06550: line 6, column 15: PL/SQL: ORA-00933: SQL command not properly ended ORA-06550: line 3, column 19: PL/SQL: SQL Statement ignored ORA-06550: line 6, column 18: PLS-00103: Encountered the symbol "end-of-file" when expecting one of the following: ( begin case declare end exception exit for goto if loop mod null pragma raise return select update while with <an identifier> <a double-quoted> I am pretty much at a loss. This appears to be a rather simple statement. If it helps any, I had a similar statement that performed an INSERT which used to work, but today has been giving me the same message.

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• hierarchical clustering with gene expression matrix in python

  - by user248237

  how can I do a hierarchical clustering (in this case for gene expression data) in Python in a way that shows the matrix of gene expression values along with the dendrogram? What I mean is like the example here: http://www.mathworks.cn/access/helpdesk/help/toolbox/bioinfo/ug/a1060813239b1.html shown after bullet point 6 (Figure 1), where the dendrogram is plotted to the left of the gene expression matrix, where the rows have been reordered to reflect the clustering. How can I do this in Python using numpy/scipy or other tools? Also, is it computationally practical to do this with a matrix of about 11,000 genes, using euclidean distance as a metric? thanks.

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• Someone is using the struct name as a variable name too. What does the code really say? (c++)

  - by EvilTeach

  This morning we found an old chunk of code that was causing a library call to crash. struct fred { int a; int b; int c; }; fred fred[MAX_SIZE+1]; memset( fred, 0, sizeof(fred) * MAX_SIZE+1 ); It appears that the sizeof(fred) may have been the full array size, rather than the structure size, as it was overwriting a great deal of memory. The fact that it compiled without warning on several different systems seemed odd. Is there a correct semantic for this case where the type and variable name are colliding? or is this some sort of undefined behavior? or just a defect? I haven't been been clever enough to find anything on Google or our language help. Thanks Evil

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• Where has my parallel port gone? ioperm(888,1,1) returns -1.

  - by marcusw

  I have an old Dell Dimension 8200 running Gentoo which I use solely to control various things using the parallel port. After shutting it down a few weeks ago, I started it up again today and tried to access the parallel port like I usually do. Unfortunately, my code bombed out when it tried to call ioperm(888,1,1) to grab the parallel port which returned an error code of -1. There have been no changes to the system be it hardware or software, no updates, no tweaking, no dropping the case, no over-amping the data pins, nothing. The port and the software have been working fine for months with no changes, and were working fine when I shut it down last. Running my code with root privileges changes nothing. What is breaking this and how can I fix it?

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• [Python] Detect destination of shortened, or "tiny" url

  - by conradlee

  I have just scraped a bunch of Google Buzz data, and I want to know which Buzz posts reference the same news articles. The problem is that many of the links in these posts have been modified by URL shorteners, so it could be the case that many distinct shortened URLs actually all point to the same news article. Given that I have millions of posts, what is the most efficient way (preferably in python) for me to detect whether a url is a shortened URL (from any of the many URL shortening services, or at least the largest) Find the "destination" of the shortened url, i.e., the long, original version of the shortened URL. Does anyone know if the URL shorteners impose strict request rate limits? If I keep this down to 100/second (all coming form the same IP address), do you think I'll run into trouble?

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• Detect the URI encoding automatically in Tomcat

  - by Roland Illig

  I have an instance of Apache Tomcat 6.x running, and I want it to interpret the character set of incoming URLs a little more intelligent than the default behavior. In particular, I want to achieve the following mapping: So%DFe => Soße So%C3%9Fe => Soße So%DF%C3%9F => (error) The bevavior I want could be described as "try to decode the byte stream as UTF-8, and if it doesn't work assume ISO-8859-1". Simply using the URIEncoding configuration doesn't work in that case. So how can I configure Tomcat to encode the request the way I want? I might have to write a Filter that takes the request (especially the query string) and re-encodes it into the parameters. Would that be the natural way?

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• What to do when GMap Satellite imagery is unavailable

  - by robstenson

  Hello-- is it possible to programmatically detect with the google maps api (javascript, v2) when satellite imagery is unavailable at a certain zoom level? I am creating some maps automatically and setting them to a certain zoom level, but in a few cases there is no satellite imagery available at that level, in which case I'd like to automatically back up a zoom level. Does the api expose some way of determining this lack of imagery? So far the only thing I can think of is trying to find out, with javascript, whether or not the image requests that the api makes are failing, and then reacting based on those failed image requests, but I can't really get it to work... and it seems a little inelegant. Thanks for your help!

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• Rotating text in postscript

  - by Mrgreen

  I have the following postscript code: /outputtext { /data exch def /rot exch def /xfont exch def /Times-Roman findfont xfont scalefont setfont /y1 exch def /x1 exch def x1 y1 moveto rot rotate data show } def % x y fontsize rotation (text) outputtext 20 300 12 0 (text1) outputtext 20 400 12 90 (text2) outputtext 20 500 12 90 (text3) outputtext 20 600 12 0 (text4) outputtext showpage The function simply outputs text based on a x, y co-ords and the text to display, there is also a variable for rotation. For some reason when I output text with a rotation of 0 degrees, all other text that comes after that will not work, I can't seem to figure out why this is the case. In the example above, 'text1' and 'text2' will display, but not 3 and 4.

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• what is the oldest glib version that a qt application can run with

  - by yan bellavance

  I am trying to build a standalone qt application (built on ubuntu and deployed on Red Hat 5.3, both 64 bits) after building a qt application that is statically linked to the qt library I tried to run the program on red hat and got an error saying libc.so.6 was not found and that GLIBC_2.9 or GLIBC_2.10 is not installed and needed. I tried doing a yum install glibc but then I get a message saying that glibc is up to date (its version is 2.0) I guees I am going to restart the build process but this time from a red hat installation. What do you sugges I should do in this case. My goal is to build a standalone qt application that only needs to run on red hat 5 (im pretty sure there is also going to be an issue with fontconfig.so but I can simply provide this library directly in the same directory as the app)

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• How to rotate particular image in multiple images drawn to canvas in android ?

  - by Andhravaala

  Hi All, I need a small help on rotating one image around its center of axis among multiple images those are drawn to canvas in android. I am loading images to canvas like below. canvas.drawBitmap(mMachineBackground, 0, 0, null); canvas.drawBitmap(mMachineRotator, 0, 0, null); I want to rotate only the second bitmap instead of entire canvas. And, I want to move another particular bitmap half circular like earth rotating around sun(in this case only for half circular). Please help me in this. And, please guide me to any good Android canvas and animation sample. Thanks in advance.

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• Indy 10 FTP empty list

  - by Lobuno

  Hello! I have been receiving reports from some of my users that, when using idFTP.List() from some servers (MS FTP) then the listing is received as empty (no files) when in reality there are (non-hidden) files on the current directory. May this be a case of a missing parser? The funny think, when I use the program to get the list from MY server (MSFTP on W2003) everything seems OK but on some servers I've been hitting this problem. Using latest Indy10 on D2010. Any idea?

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• alternatives to System.Diagnostics.Process.Start when command is too long

  - by Frank Schwieterman

  I have some code which is generating a rather long command that is being sent to System.Diagnostics.Process.Start(). The call fails with a Win32Exception, message "The filename or extension is too long". The path to the program itself is not very long, but the parameters passed in are quite long. I am calling the version where an instance of ProcessStartInfo is passed as the parameter, and in this case its the ProcessStartInfo.Arguments .Field that is very long. (other parameters: CreateNoWindow = true, UseShellExecute = false, RedirectStandardError = true). It looks like the exception is coming from a call to win32 function CreateProcess. Does anyone have an idea of another way to start the process?

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