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• Linux Kernel - programmatically retrieve block numbers as they are written to

  - by SpdStr

  I want to maintain a list of block numbers as they are physically written to using the linux kernel source. I plan to modify the kernel source to do this. I just need to find the structure and functions in the kernel source that handle writing to physical partitions and get the block numbers as they write to the physical partition. Any way of doing this? Any help is appreciated. If I can find where the kernel is actually writing to the partitions and returning the block numbers, that'd work.

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• sed/awk or other: increment a number by 1 keeping spacing characters

  - by WizardOfOdds

  I've got a string: (notice the spacing) eh oh 37 and I want it to become: eh oh 36 (so I want to keep the spacing) Using awk I don't find how to do it, so far I have: echo "eh oh 37" | awk '$3>=0&&$3<=99 {$3--} {print}' But this gives: eh oh 36 (the spacing characters where lost, because the field separator is ' ') Is there a way to ask awk something like "print the output using the exact same field separators as the input had"? Then I tried with sed, but got stuck after this: echo "eh oh 37" | sed -e 's/\([0-9][0-9]\)/.../' Can I do arithmetic from sed using a reference to the matching digits and have the output not modify the number of spacing characters? Note that it's related to my question concerning Emacs and how to apply this to some (big) Emacs region (using a replace region with Emacs's shell-command-on-region) but it's not an identical question: this one is specifically about how to "keep spaces" when working with awk/sed/etc.

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• can I override/redefine "global" Javascript functions, like confirm() and alert()?

  - by EndangeringSpecies

  I want to do some browser automation, and those pesky confirm/alert boxes are a real pain. Disabling javascript completely in this case is not an option, unfortunately. Well, so I was wondering, can I just change the definition of those methods as seen by my browser's javascript interpreter to basically do nothing and return true? Note that I do know about redefining them in the Javascript code directly, e.g. putting in function alert(message) { return true; } but AFAIK this is not a viable approach for this situation because when doing browser automation I have to work with other people's Javascript. Moreover, my program actually begins manipulating these websites already after the page has fully loaded into the browser, so I cannot just first automatically rewrite the javascript and then load the page. Well, so I was wondering if I could instead just "permanently" modify the way alert/confirm are implemented and executed in my browser. Sort of like the equivalent of dll injection and so forth in the realm of windows apps.

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• Drupal - Lightbox -> iframe node displaying entire website with views

  - by kilrizzy

  I am attempting to make a view that would list thumbnails of my projects, then when clicking them enlarge the photo using lightbox and list out some text and a link to the website. I am not sure if there is a way I can just add text to the lightbox using views so right now I have it using a field for Lightbox2 iframe: thumb200wh-node page. Open my entire website again in the lightbox instead of just the node: http://jeffkilroy.com/portfolio_boxes Is there a way to just display the node from the views module or is there a way to just use an image but modify the description so that I can put text in?

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• asp.net membership select provider

  - by Jonesy

  Hi folks, I've done this before but can't remember how for the life of me. I used aspnetreg_sql.exe to create the membership tables in my database. But now i cant seem to be able to point my web app to the correct database. In the provider settings in asp.net management interface i only see a radio button with the label "AspNetSqlProvider" but I can only test it (in which it always fails). I can't modify the connection. Can someone help me with this? Cheers, Billy

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• Ubuntu One Folder Sync Filter

  - by Andy Barlow

  Hi, I am trying to modify the Ubuntu One File syncing python scripts to not including things like .iso's. I have got as far as finding this file: /usr/share/pyshared/ubuntuone/u1sync/constants.py Inside is this piece of code: import re # the name of the directory u1sync uses to keep metadata about a mirror METADATA_DIR_NAME = u".ubuntuone-sync" # filenames to ignore SPECIAL_FILE_RE = re.compile(".*\\.(" "(u1)?partial|part|" "(u1)?conflict(\\.[0-9]+)?)$") How can I edit this last section (regex?) and make it ignore .iso files??? I'm fairly sure this is the place to put it! Pretty sure this is standard python action :) Any help would be appreciated. Thanks kindly. Andy

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• c# winForms open forms inside mainform

  - by user508284

  Hello guys, I have programmed c# application i will post screenshot. In this main form is 3 buttons which opens different forms. Now i decided to modify this application I want to Make one main form with strip menu which will open this forms. I used this code but i don't like or i'm doing something wrong. I don't like because there is child controls(minimize, maximize, close) in parent (please see second picture ): Please advice me something. Is MDI good for such job? Thanks! Sell sell = new Sell(); sell.MdiParent = this; sell.Dock = DockStyle.Fill; sell.Show();`

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• Double of Total Problem

  - by Gopal

  Table1 ID | WorkTime ----------------- 001 | 10:50:00 001 | 00:00:00 002 | .... WorkTime Datatype is *varchar(. SELECT ID, CONVERT(varchar(10), TotalSeconds1 / 3600) + ':' + RIGHT('00' + CONVERT(varchar(2), (TotalSeconds1 - TotalSeconds1 / 3600 * 3600) / 60), 2) + ':' + RIGHT('00' + CONVERT(varchar(2), TotalSeconds1 - (TotalSeconds1 / 3600 * 3600 + (TotalSeconds1 - TotalSeconds1 / 3600 * 3600) / 60 * 60)), 2) AS TotalWork From ( SELECT ID, SUM(DATEDIFF(second, CONVERT(datetime, '1/1/1900'), CONVERT(datetime, '1/1/1900 ' + WorkTime))) AS TotalSeconds1 FROM table1 group by ID) AS tab1 where id = '001' The above Query is showing "double the total of time" For Example From table1 i want to calculate the total WorkTime, when i run the above query it is showing ID WorkTime 001 21:40:00 002..., But it should show like this ID Worktime 001 10:50:00 ..., How to avoid the double total of worktime. How to modify my query. Need Query Help

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• How do I do this Database Model in Django?

  - by alex

  Django currently does not support the "Point" datatype in MySQL. That's why I created my own. class PointField(models.Field): def db_type(self): return 'Point' class Tag(models.Model): user = models.ForeignKey(User) utm = PointField() As you can see, this works, and syncdb creates the model fine. However, my current code calculates a length between two Points using raw SQL. cursor.execute("SELECT user_id FROM life_tag WHERE\ (GLength(LineStringFromWKB(LineString(asbinary(utm), asbinary(PointFromWKB(point(%s, %s)))))) < 55)... This says: Select where the length between the given point and the table point is less than 55. How can I do this with Django instead of RAW SQL? I don't want to do cursors and SELECT statements anymore. How can I modify the models.py in order to do this?

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• How to wrap text of html button with fixed width

  - by Peter

  I just noticed that if you give a html button a fixed width, the text inside the button is never wrapped. I've tried it with word-wrap, but that cuts of the word even though there are spaces available to wrap on. How can I make the text of an html button with a fixed width wrap like any tablecell would? <td class="category_column"> <input type="submit" name="ctl00$ContentPlaceHolder1$DataList1$ctl12$ProCat_NameButton" value="Roos Sturingen / Sensors" id="ctl00_ContentPlaceHolder1_DataList1_ctl12_ProCat_NameButton" class="outset" style="height:118px;width:200px;font-size:18px;color:#7F7F7F;width:200px;white-space:pre;" /> </td> the css classes do nothing but adding borders and modify the padding. If I add word-wrap:break-word to this button, it will wrap it like this: Roos Sturingen / Sen sors And I dont want it to cut of in the middle of a word if it is possible to cut it off between words. Thanks

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• Web Service URL change is not recognized

  - by ila

  I deployed in a production environment a .net solution that consumes a web service added as "Service reference" in visual studio. Today the endpoint URL has changed, and I modified that URL in web.config. But when I run the solution I get the error: System.ServiceModel.FaultException: Server did not recognize the value of HTTP Header SOAPAction: http://93.62.150.200/LogEvent. Now that sound strange to me. As you can see, the IP is 93.62.... but the new value is different. The web.config entry (with the new value or the URL) is: <client> <endpoint address="http://213.92.50.215/sawfc/WS_SAWFC_Int.asmx" binding="basicHttpBinding" bindingConfiguration="wsSAWFCInterfaceSoap" contract="it.datasphere.ws.wsSAWFCInterfaceSoap" name="wsSAWFCInterfaceSoap" /> </client> I cannot reach the new web service from dev environment, so I cannot modify the Service reference there. Any idea? Thanks a lot!

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• Is it possible to replace groovy method for existing object?

  - by Jean Barmash

  The following code tried to replace an existing method in a Groovy class: class A { void abc() { println "original" } } x= new A() x.abc() A.metaClass.abc={-> println "new" } x.abc() A.metaClass.methods.findAll{it.name=="abc"}.each { println "Method $it"} new A().abc() And it results in the following output: original original Method org.codehaus.groovy.runtime.metaclass.ClosureMetaMethod@103074e[name: abc params: [] returns: class java.lang.Object owner: class A] Method public void A.abc() new Does this mean that when modify the metaclass by setting it to closure, it doesn't really replace it but just adds another method it can call, thus resulting in metaclass having two methods? Is it possible to truly replace the method so the second line of output prints "new"? When trying to figure it out, I found that DelegatingMetaClass might help - is that the most Groovy way to do this?

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• Creating a MSI patch (.msp) by hand?

  - by Jerry Chong

  Our team has recently been considering pushing out a minor registry fix to users to modify one particular problematic key. Pretty straightforward stuff, just needed to update 1 key/value inside the registry. So at the moment, we are using Wix to build .msi installers for the product. While looking into Wix's support for generating .msp patch files, it seems that the only way to create an .msp is a somewhat overcomplicated multi-step process to: Get a copy of the original MSI, and compile a new copy of the fixed MSI Write a new Wix file that points to both installers Compile the Wix file into a .wixobj with Candle to a .psp Run Torch/Pyro over before/after snapshots of the original installers and the .psp, or alternatively using MsiMsp.exe Now my question is, can't I simply describe the registry change into a Wix file and directly compile it into the .msp, without step 1 and 4 - which is a huge amount of effort for just a simple change?

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• Google App Engine and Git best practices

  - by systempuntoout

  I'm developing a small pet project on Google App Engine and i would like to keep code under source control using github; this will allow a friend of mine to checkout and modify the sources. I just have a directory with all sources (call it PetProject) and Google App Engine development server points to that directory. Is it correct to create a repo directly from PetProject directory or is it preferable to create a second directory mirroring the develop PetProject directory? In the latter case, anytime my friend will release something new, i need to pull fetch from Git copying the modified files to the develop PetProject directory. If i decide to keep the repo inside the develop directory, skipping .git on Gae yaml is enough? What are the best practices here?

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• PHP: PDOStatement simple MySQL Select doesn't work.

  - by Alan

  Hi I have the following PHP code doing a very simple select into a table. $statement = $db->prepare("SELECT * FROM account WHERE fbid = :fbid"); $statement->bindParam(":fbid",$uid, PDO::PARAM_STR,45); $out = $statement->execute(); $row = $statement->fetch(); $out is true (success) yet $row is null. If I modify the code as follows: $statement = $db->prepare("SELECT * FROM account WHERE fbid = $uid"); $out = $statement->execute(); $row = $statement->fetch(); $row contains the record I'm expecting. I'm at a loss. I'm using the PDO::prepare(), bindParams() etc to protect against SQL Injection (maybe I'm mistaken on that). Please halp.

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• How to use TDD in a not very "Testy" environment

  - by dbemerlin

  I work in a company where OOP is... well, not fobidden, but at least frowned upon as "too complex". My coworkers write lots of 100+ lines functions and they are usually all in a "funcs.inc.php" or "something.inc.php", if they use any functions at all, often they don't since copy-paste is faster. I would love to start using TDD at least for the code i write but as i have to interface with their code i can't see how to begin. It's not legacy code as they are actively developing it and i don't want to modify their code as i don't want to provoke conflicts. Which approach would you suggest, except for changing the company?

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• Django : json serialize a queryset which uses defer() or only()

  - by PlanetUnknown

  Now I've been using json serializer and it works great. I had to modify my queries where I started using the only() & defer() filters, like so - retObj = OBJModel.objects.defer("create_dt").filter(loged_in_dt__gte=dtStart) After I've done the above, suddenly the json serializer is returning empty fields - {"pk": 19047, "model": "OBJModel_deferred_create_dt", "fields": {}} If I remove the defer(), the serializer gives all the data correctly. import json from django.utils import simplejson from django.core import serializers json_serializer = serializers.get_serializer("json")() retObj = OBJModel.objects.defer("create_dt").filter(loged_in_dt__gte=dtStart) json_serializer.serialize(retObj, ensure_ascii=False) I've scratched my head on this for a while now. Any insight would be great. NOTE : I am using django 1.1

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• SWFUpload is it possible to upload multiple files to a single php script execution

  - by user176333

  Hello, I'm trying to implement SWFUpload into an existing PHP upload funcitonality. My current backend script however expects 2 fiels to be uploaded in a single php script execution. (e.g. it excepts the $_FILES parameters to contain 2 entries). So i'm queueing 2 files with SWFUpload and start uploading them. However it appears SWFLUpload calls the php backend script for each queued file. I'd rather modify SWFUpload to send the files with a single backend script execution instead on having to adjust the backend script. Is anyone familiar with this? I've searched various resources (like the SWFUploads docs and forum, but have not found similiar topics. Thanks in advance

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• Changing system colors for a single application (Windows, .NET)

  - by Michal Czardybon

  I know I should generally avoid messing up with such system settings, but my application do already use nonstandard colors and I have no influence on that. I would like to be able to add standard .NET controls in some places, but their colors do not match. I would like to have a hack that would replace system colors for this one application. One more important thing to note is that it is a .NET application. My (incomplete) ideas so far were: To create a proxy User32.dll library with replaced GetSysColor, but it would be very tedious (731 functions to be redirected, 1 to be replaced) and I do not know how to force my application to use that particular copy. To intercept somehow invocations to GetSysColors (unfortunatelly it is somewhere in the CLR I think). To modify somehow .NET class SystemColors (in memory? is it possible?). Do you have any idea, what is the best (and complete) way to achieve this?

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• Persistence provider for Java that supports final fields

  - by naeron84

  I'm very new to Java but I've been developing a habit to use final wherever possible declaring immutability which i think is a good thing. (Consider f#) I've read that JPA does not support final fields. Hibernate, TopLink? I'm not sure about these but i prefer JPA for now. Is that even possible theoretically - let's say through reflection - to modify final fields after creation? My guess would be... NO :) What would be certainly possible for a persistence solution is to support constructors with parameters. At least i see no reason that would make this impossible. Mapping would be a little tricky i guess. This is an alternative solution. Suggestions?

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• Exception thrown while working with JTabbedPane

  - by Halo

  I'm using a JTabbedPane in my application and I listen to its changes with ChangeListener so that I can know which tab is currently selected. So my stateChanged method is; public void stateChanged(ChangeEvent e) { currentPageIndex = jTabbedPane.getSelectedIndex(); } But while I'm adding new tabs to the JTabbedPane it throws an ArrayIndexOutOfBoundsException in the method above, I don't know why. Some suggested for a similar case that this is a bug http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4873983, but as you'll see some says the solution is to work with Swing from EventDispatchThread. What does it mean, do they mean the SwingUtilities.invokeLater thing? Can someone show me how I can modify my stateChanged method accordingly to avoid the exception?

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• How to make WordPress "Add/Edit Post" form more Tumblr like?

  - by Eliot Sykes

  Hi, WordPress requires you give each blog post at least two fields: a title and text body content. I'm wondering how to modify WordPress admin so I can sometimes enter a single field for a blog post, in particular a URL, without WordPress requiring a title (related but not the point of this question: a custom theme would then know how to handle a post that only contained a URL, it would treat it like a "Link" post in Tumblr). Ideally it'd be good if the "add/edit post" form could be modified so it only contains this single URL/Link field when this is wanted. I'm guessing this is possible through a plugin but I'm not certain. I'm hoping some smart WordPress devs are here to share and brainstorm ideas for how this could be done. Thanks in advance for any help, Eliot

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• How to generate a lower frequency version of a signal in Matlab?

  - by estourodepilha.com

  With a sine input, I tried to modify it's frequency cutting some lower frequencies in the spectrum, shifting the main frequency towards zero. As the signal is not fftshifted I tried to do that by eliminating some samples at the begin and at the end of the fft vector: interval = 1; samplingFrequency = 44100; signalFrequency = 440; sampleDuration = 1 / samplingFrequency; timespan = 1 : sampleDuration : (1 + interval); original = sin(2 * pi * signalFrequency * timespan); fourierTransform = fft(original); frequencyCut = 10; %% Hertz frequencyCut = floor(frequencyCut * (length(pattern) / samplingFrequency) / 4); %% Samples maxFrequency = length(fourierTransform) - (2 * frequencyCut); signal = ifft(fourierTransform(frequencyCut + 1:maxFrequency), 'symmetric'); But it didn't work as expected. I also tried to remove the center part of the spectrum, but it wielded a higher frequency sine wave too. How to make it right?

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• How to get the quickfix timestamp?

  - by yves Baumes

  I've seen in quickfix doxygen documentation that it generates an utc timestamp as soon as it has received a FIX message from a socket file. Have a look in ThreadedSocketConnection::processStream(), it calls then m_pSession->next( msg, UtcTimeStamp() ); I would like to get that timestamp, because I need it to screen network and QuickFix lib latencies. I didn't find a way to get it from FixApplication::fromApp() callback or 'Log::onIncoming()' callback. As I am newbie with quickfix I would like to know if I missed something in the Quickfix documentation. Did anybody ever done that before? Of course there is other solutions, but for homogeneity with others market acces applications I maintain, I would prefer to avoid them. For instance, I would prefer not to modify QuickFix code source. And I would like to avoid re-write the application logic that quickfix provide me, quickfix helpping me only for message decoding.

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• What's the best way to customize / add pages to the admin generator?

  - by Guillaume Flandre

  I'm using Symfony 1.4 and Doctrine. My application's backend was built using Symfony's admin generator. It works great when I want to display basic stuff. But tehre's not a lot of documentation on how to enhance it and add new pages. Let's take an example: I want to list published items on one page and to-be-published items on another one. I've used several ways to that in my application but can't figure out what the best way is: playing with filters and then modify templates depending on where you are? creating another module calling a different table_method? some other technique I don't know about? What's the best practice here? How do you guys usually do to customize your admin?

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