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• What are the internal limits to WCF

  - by ligos

  WCF has lots of limits imposed on it to protect against DoS attacks and other developer brainlessness. What are these limits? And how can they be overriden? Specifically, if I was to try to send a large number of messages in a short period of time to a variety of different clients, what are the internal WCF limits they may cause messages to be sent slowly. PS: this question is a much shorter version of my previous question that did not get much attention. EDIT I have answered the original question. The issue being my async calls were being turned into synchronous ones.

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• How to serve a View as CSV in ASP.NET Web Forms

  - by ChessWhiz

  Hi, I have a MS SQL view that I want to make available as a CSV download in my ASPNET Web Forms app. I am using Entity Framework for other views and tables in the project. What's the best way to enable this download? I could add a HyperLink whose click handler iterates over the view, writes its CSV form to the disk, and then serves that file. However, I'd prefer not to write to the disk if it can be avoided, and that involves iteration code that may be avoided with some other solution. Any ideas?

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• Strange profiling results: definitely non-bottleneck method pops up

  - by jkff

  I'm profiling a program using sampling profiling in YourKit and JProfiler, and also "manually" (I launch it and press Ctrl-Break several times to get thread dumps). All three methods give me extremely strange results: some tens of percents of time spent in a 3-line method that does not even do any allocation or synchronization and doesn't have loops etc. Moreover, after I made this method into a NOP and even removed its invocation completely, the observable program performance didn't change at all (although it got a negligible memory leak, since it was a method for freeing a cheap resource). I'm thinking that this might be because of the constraints that JVM puts on the moments at which a thread's stacktrace may be taken, and it somehow turns out that in my program it is exactly the moments where this method is invoked, although there is absolutely nothing special about it or the context in which it is invoked. What can be the explanation for this phenomenon? What are the aforementioned constraints? What further measurements can I take to clarify the situation?

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• Is it possible to put myBatis (iBatis) xml mappers outside the project?

  - by kospiotr

  According to the user guide i am able to use file path instead of resource: // Using classpath relative resources <mappers> <mapper resource="org/mybatis/builder/AuthorMapper.xml"/> </mappers> // Using url fully qualified paths <mappers> <mapper url="file:///var/sqlmaps/AuthorMapper.xml"/> </mappers> in my project I'm trying to put my mapper xml "outside" the project and i'm doing this: <mapper url="file://D:/Mappers/ComponentMapper1.xml" /> The output of my log4j console: Error building SqlSession. The error may exist in file://D:/Mappers/ComponentMapper1.xml Cause: org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: java.net.UnknownHostException: D Is it bug or it's me doing something wrong?

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• What's an easy way to set up object communication in Obj-C?

  - by seaworthy

  I am trying to send a slider value from a controller object to a method of a model object. The later is implemented in the separate file and I have appropriate headers. I think the problem is that I am not sure how to instantiate the receiver in order to produce a working method for the controller. Here is the controller's method. -(IBAction)setValue:(id)slider {[Model setValue:[slider floatValue]];} @implementation Model -(void)setValue:(float)n{ printf("%f",n); } @end What I get is 'Model' may not respond to '+setValue' warning and no output in my console. Any insight is appreciated.

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• C# Monitor Programs Periodically Based on PID

  - by ThaKidd

  Thank you in advance for you ideas and input. I would like to periodically check to see if a third party program is currently running on a user's system from my program. I am currently launching the program as follows in C#: String plinkConString = ""; // my connection string Process plink = Process.Start(utilityPath + @"\putty.exe", plinkConString); int plinkProcessId = plink.Id; I launch the program and grab its pid in a Windows environment. As Putty/PLink may disconnect from its SSH server at some point and close, what is the best way to monitor how this process is doing in code? Is there a better way to launch this program to monitor its success or failure?

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• Git. Remote HEAD is ambiguous.

  - by Siegfried

  I checked the relevant thread but still can't solve this problem. When I typed "git remote show origin", I got * remote origin Fetch URL: xxxx Push URL: xxxx HEAD branch (remote HEAD is ambiguous, may be one of the following): development master Remote branches: development tracked master tracked Local branches configured for 'git pull': development merges with remote development master merges with remote master Local ref configured for 'git push': master pushes to master (up to date) I also checked "git show-ref", and I got: 3f8f4292e31cb8fa5938dbdd406b2f357764205b refs/heads/development 3f8f4292e31cb8fa5938dbdd406b2f357764205b refs/heads/master 3f8f4292e31cb8fa5938dbdd406b2f357764205b refs/remotes/origin/development 3f8f4292e31cb8fa5938dbdd406b2f357764205b refs/remotes/origin/master Here is the list of all branches I have by executing "git branch -a" development * master remotes/origin/development remotes/origin/master And this is what is in the .git/config: [core] repositoryformatversion = 0 filemode = false bare = false logallrefupdates = true ignorecase = true hideDotFiles = dotGitOnly autocrlf = false [remote "origin"] fetch = +refs/heads/*:refs/remotes/origin/* url = xxxx push = refs/heads/master:refs/heads/master [branch "master"] remote = origin merge = refs/heads/master [branch "development"] remote = origin merge = refs/heads/development I and it seems that the remote development and master branch share the same node. How to solve this ambiguity problem? Thank you!

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• Can you automatically create a mysqldump file that doesn't enforce foreign key constraints?

  - by Tai Squared

  When I run a mysqldump command on my database and then try to import it, it fails as it attempts to create the tables alphabetically, even though they may have a foreign key that references a table later in the file. There doesn't appear to be anything in the documentation and I've found answers like this that say to update the file after it's created to include: set FOREIGN_KEY_CHECKS = 0; ...original mysqldump file contents... set FOREIGN_KEY_CHECKS = 1; Is there no way to automatically set those lines or export the tables in the necessary order (without having to manually specify all table names as that can be tedious and error prone)? I could wrap those lines in a script, but was wondering if there is an easy way to ensure I can dump a file and then import it without manually updating it.

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• javascript. is it posible for one member of an object to access another member of that object withou

  - by joox

  For example: var myObj={ myValue="hola", asMember=function(){ alert( this.myValue ); } }; myObj.asMember(); // will work fine var asGlobal=myObj.asMember; // global alias for that member function asGlobal(); // won't work in javascript (will work in AS3, but i need js now) So the question is, can I rewrite asMember so that it could be called by global alias and without mentioning myObj at all? It's understood that if I define it: asMember=function(){ alert( myObj.myValue ); } it will work, but in my case, mentioning myObj is not acceptable even inside the function itself (because myObj may be reassigned later, but asGlobal won't change and should keep working)

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• Problem in Closing Exe

  - by chandruswami

  In C#, I am using form1 as homescreen,.. while running exe from Debug folder, form1.exe appears in Process tab in task manager,... The problem is: Through form1 at runtime, i may create more instances of form1 while trying to close particular instance, the instances closed,.. but still exe appears in task manager. what i found: If i close the instances in the order what we created,.. all exe closes correctly,.. but if close the 4th instance and then 3rd instance,.. exe remains in task manager. (instead of 3rd and then 4th instance) I also used Application.Exit() but still the Exe remains in taskmanager,......

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• NSString simple pattern matching

  - by SirRatty

  Hi all, Mac OS 10.6, Cocoa project, 10.4 compatibility required. (Please note: my knowledge of regex is quite slight) I need to parse NSStrings, for matching cases where the string contains an embedded tag, where the tag format is: [xxxx] Where xxxx are random characters. e.g. "The quick brown [foxy] fox likes sox". In the above case, I need to grab the string "foxy". (Or nil if no tag is found.) Each string will only have one tag, and the tag can appear anywhere within the string, or may not appear at all. Could someone please help with a way to do that, preferably without having to include another library such as RegexKit. Thank you for any help.

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• How do I use timezones with a datetime object in python?

  - by jidar

  How do I properly represent a different timezone in my timezone? The below example only works because I know that EDT is one hour ahead of me, so I can uncomment the subtraction of myTimeZone() import datetime, re from datetime import tzinfo class myTimeZone(tzinfo): """docstring for myTimeZone""" def utfoffset(self, dt): return timedelta(hours=1) def myDateHandler(aDateString): """u'Sat, 6 Sep 2008 21:16:33 EDT'""" _my_date_pattern = re.compile(r'\w+\,\s+(\d+)\s+(\w+)\s+(\d+)\s+(\d+)\:(\d+)\:(\d+)') day, month, year, hour, minute, second = _my_date_pattern.search(aDateString).groups() month = [ 'JAN', 'FEB', 'MAR', 'APR', 'MAY', 'JUN', 'JUL', 'AUG', 'SEP', 'OCT', 'NOV', 'DEC' ].index(month.upper()) + 1 dt = datetime.datetime( int(year), int(month), int(day), int(hour), int(minute), int(second) ) # dt = dt - datetime.timedelta(hours=1) # dt = dt - dt.tzinfo.utfoffset(myTimeZone()) return (dt.year, dt.month, dt.day, dt.hour, dt.minute, dt.second, 0, 0, 0) def main(): print myDateHandler("Sat, 6 Sep 2008 21:16:33 EDT") if __name__ == '__main__': main()

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• Issue using Session in MVC Actions with [authorice]

  - by Pablo Gonzalez

  Hi all, first of all sorry for my poor English! When I use the [Authorice` attribute i can't get Session data that i stored before. For example: public ViewResult Index() { // do some stuffs Session["Test"] = "Hi stackoverflow!"; } And then i try to get it in another action, but with the [Authorize] attibute [Authorize] public ViewResult Test() { // do some stuffs if(Session["Test"] == null) { //do some stuffs } } Session["Test"] is always null, but if i remove the attribute it's work, may anyone help me?, thanks a lot!!! P.S: I instance Session["Test"] in Session_Start

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• Searching for Nodes with Specific Text using the Prototype Javascript Framework

  - by Alan Storm

  Does the Prototype Javascript library have a selector that's equivalent to jQuery's :contains()? If not, what would what be "The Prototype Way" to selector/filter-down a list of elements that contains a particular string. For example, using the following $$('#some_div dd a') I may get back an array of 50 or so links. I only want the links that contain the work 'home'. In jQuery I'd do this jQuery('#some_div dd a:contains('home')'); Is it possible to do something similar using Prototype? If not, is there an elegant way to filter out the array of 50 elements that gets returned.

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• PHP: Filling in the 'gaps' in an array

  - by aboved

  Hey gurus, I've got a php array (obtained through checkbox values in a form - as you know checkboxes only show up in the _POST variable when they are not set). Array ( [2] => 0,2 [3] => 0,3 ) I need a way to 'fill in' the gaps between the range 0-5. So above would look like (filling the empty spaces with '-1'. I tried array_merge() with an array filled with '-1' but that didn't work. Array ( [0] => -1 [2] => 0,2 [3] => 0,3 [4] => -1 [5] => -1 ) I think I may have gone down the wrong road with the problem I am trying to solve, but I have put too much time into this solution to back out - a feeling I am sure most of you are familiar with(!) Cheers!

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• circuit/block-diagram drawing

  - by JCLL

  I'm looking for either algorithms or visualization tool for (nice) circuit/block-diagram drawing. I am also interested in a general formulation of the problem. By "circuit drawing", I mean the capability of exploring place & route for block-diagrams (rectangles) with I/O ports and their connections (wires). These block-diagrams can be hierarchical i.e some blocks may have some nested internal sub-structure etc. This topic is strongly related to classical graph-drawing, with the supplemental constraint of the need to take ports location into account, and possibly the shape of the blocks (rectangle of various sizes). Graphviz tools do not respond to the problem (at least my previous experiments have not been satisfactory). Force-directed algorithms retain my attention, but I have just found papers on classical directed graphs. Any hints ?

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• Wordpress podcasting with youtube video hosting

  - by Salim Fadhley

  I'm trying to build a site based on Wordpress for a client. Eventually it will be used to publish videos which could be hosted locally, but to reduce costs it would be nicer if we could host all our videos on somewhere like YouTube or Vimeo. I'm looking for a plugin or a way of hacking an existing plugin in order to achieve this. The idea is that when we list a new item on the site, users of iTunes / iPod and any other (more) standards compliant podcatcher should be able to view the video. Ideally I'd like to get away without writing a single line of code, but that may not be possible. The best solution for me is the one which requires the least amount of work!

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• How do people handle working with Code Names for their projects?

  - by Mark

  Hi All, Recently we started using some code names for several different types of prototype applications all following a theme. This made things a little more fun and was a great idea. The problem is that Im not too sure how people deal with migrating a codebase from "codename" state into version 1.0 state which may have a proper name... not something that a client really shouldnt see :) We are using Visual Studio at the moment, and I can see that you can change the assembly name, but there are references to the namespaces, etc... that would really be a large change to make. Do people both changing things like namespaces before the v1.0 release?

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• How can I match at the beginning of any line, including the first, with a Perl regex?

  - by JoelFan

  According the the Perl documentation on regexes: By default, the "^" character is guaranteed to match only the beginning of the string ... Embedded newlines will not be matched by "^" ... You may, however, wish to treat a string as a multi-line buffer, such that the "^" will match after any newline within the string ... you can do this by using the /m modifier on the pattern match operator. The "after any newline" part means that it will only match at the beginning of the 2nd and subsequent lines. What if I want to match at the beginning of any line (1st, 2nd, etc.)? EDIT: OK, it seems that the file has BOM information (3 chars) at the beginning and that's what's messing me up. Any way to get ^ to match anyway? EDIT: So in the end it works (as long as there's no BOM), but now it seems that the Perl documentation is wrong, since it says "after any newline"

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• etree.findall: 'OR'-lookup?

  - by piquadrat

  I want to find all stylesheet definitions in a XHTML file with lxml.etree.findall. This could be as simple as elems = tree.findall('link[@rel="stylesheet"]') + tree.findall('style') But the problem with CSS style definitions is that the order matters, e.g. <link rel="stylesheet" type="text/css" href="/media/css/first.css" /> <style>body:{font-size: 10px;}</style> <link rel="stylesheet" type="text/css" href="/media/css/second.css" /> if the contents of the style tag is applied after the rules in the two link tags, the result may be completely different from the one where the rules are applied in order of definition. So, how would I do a lookup that inlcudes both link[@rel="stylesheet"] and style?

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• Static struct in C++

  - by pingvinus

  Hi, I want to define an structure, where some math constants would be stored. Here what I've got now: struct consts { //salt density kg/m3 static const double gamma; }; const double consts::gamma = 2350; It works fine, but there would be more than 10 floating point constants, so I doesn't want to wrote 'static const' before each of them. And define something like that: static const struct consts { //salt density kg/m3 double gamma; }; const double consts::gamma = 2350; It look fine, but I got these errors: 1. member function redeclaration not allowed 2. a nonstatic data member may not be defined outside its class I wondering if there any C++ way to do it?

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• Regular expression to remove all text except...

  - by Barryman9000

  There may be an easier way, and if there is I'm all for it. However - my ASP.NET page has a TON of controls on it, and I've given them all ID's that start with underscore. I copied all the markup into Notepad++ and I'm trying to find a regular expression that will find everything but the controls and replace it with whitespace. that way I'll have a text file that has all my control names which I'll probably throw into Excel and do some string manipulation to add ".Text = " etc. Any suggestions?

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• Statically Compiled Oracle Client Drivers/Code

  - by blockcipher

  Hello, I'm looking to write a command-line program that can execute database scripts against an Oracle server, however the machine the program will be run on may not have an Oracle client installed on it. I also don't want to rely on a language that requires a VM as there's no guarantee that the VM will be installed, so a language like C is preferable for this. Is there a way that I can statically compile/build this program and not have to have the user install the Oracle client on that machine? I'm trying to be as unobtrusive as possible. Thanks.

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• Android - Looking for an AOP solution

  - by Serj Lotutovici

  I'm writing an application that on the bottom line uses it's internal API for some manipulations. The problem is that to call any method provided by that class first I (or anybody who uses the API) have to call #prepare() and after that #cleanup(). It all worked fine until the application and the API started to grow. And the risk of not calling one of the supplied methods before or after the API is now to big to be ignored (which makes it a bug risky application). Searching for a solution I found this question. I use Google Guice in my app for other purposes, but Android doesn't support AOP, that's why a use only guice-no_aop-x.jar. So I end-up with two questions: Is there an AOP solution for android to implement the same approach that is shown in the link above? Or may be someone has an idea that will be suitable for my case? Thanks in advice!

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• ASP.NET MVC Deployed Application Server Address

  - by Jacob Huggart

  I have an application that sends an email to a user so that they may access a web form. In the email there is just a link to the start page of this form. Currently, I have the value for the form location hardcoded. Once the app is deployed I know it is in inetpub/wwwroot/appName, which results in a URL of serverip:appPort/appName. What is the C# to get the serverip:appPort portion of the URL that I need? I think that server.mappath() might work, but for some reason I can't get to the method even though I have the necessary references.

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