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  • Convert Qcolor value to hex value

    - by vettipayyan
    I have implemented a Qcolor dialog box which opens on certain condition. To get the selected color after final selection i use the method selectedColor() which returns the value in QColor . When i print that value , it's like this : <PyQt4.QtGui.QColor object at 0x01DD7880> I want color value in hex value . like this : #DFDFDF (for grey ). If it's not hex , correct me. Is there any function to convert that? Any suggestions welcome .

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  • Bad class file error when using Scala 2.8.0-rc1 in Javafx 1.2

    - by aoprisan
    When trying to import scala.Option in a javafx script, I get the following javafxc error: bad class file: scala/Option$$anonfun$orNull$1.class(scala:Option$$anonfun$orNull$1.class) undeclared type variable: A1 Please remove or make sure it appears in the correct subdirectory of the classpath. import scala.Option; ^ I am using Scala 2.8.0-RC1, Javafxc 1.2.3_b36, JVM 1.6.0_18-b07, OS Ubuntu 9.10. The same code was working in Scala 2.7.7 .

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  • Is there an easy way to get the ServerName in Symfony?

    - by greg0ire
    I have been searching for an easy way to get the ServerName of the machine where Symfony runs in Symfony (so that my app adapts when it is used on a host with a different ServerName), but I couldn't find one. I created a variable in app.yml and I fetch it, but I still wonder if there is no easier way to do this. How are you doing this? I'm using Symfony 1.2 and 1.4 on different projects.

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  • In CMake, how does CHECK_INCLUDE_FILE_CXX work?

    - by Neil G
    The following code prints nothing CHECK_INCLUDE_FILE_CXX(glog/logging.h GLOG_INCLUDE) IF(GLOG_INCLUDE) MESSAGE("YY") ENDIF(GLOG_INCLUDE) But I have the following environment variable set: export CPLUS_INCLUDE_PATH=/usr/local/include And, "ls /usr/local/include/glog/logging.h" returns the file. I tried using include_directories( "/usr/local/include" ) but it doesn't work either.

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  • Exact cin equivalent function in python

    - by gkt.pro
    Suppose user enter this string at terminal 123 456 456 //then hit enter How do I scan these three (could be more) numbers in different variables in python Could be something like this: for i in range(1,n) m[i]=#WHAT FUNCTION SHOULD I PUT HERE In c++ we can easily use cin>>m[i] inside above loop to scan the variables. If i use input() or raw_input() , they would scan whole line in single variable.

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  • How to check whether a excel file is write protected or not in C#?

    - by Pavan Navali
    Hi, I'm developing a sample application in which I have to open an excel file and check whether the file is write protercteed or not. The code is using System.Windows.Forms; using Microsoft.Office.Core; private void button1_Click(object sender, EventArgs e) { string fileNameAndPath = @"D:\Sample\Sample1.xls"; // the above excel file is a write protected. Microsoft.Office.Interop.Excel.Application a = new Microsoft.Office.Interop.Excel.Application(); if (System.IO.File.Exists(fileNameAndPath)) { Microsoft.Office.Interop.Excel.ApplicationClass app = new Microsoft.Office.Interop.Excel.ApplicationClass(); // create the workbook object by opening the excel file. app.Workbooks.Open(fileNameAndPath,0,false,5,"","",true,Microsoft.Office.Interop.Excel.XlPlatform.xlWindows,"\t",false, true, 0,false,true,0); Microsoft.Office.Interop.Excel._Workbook w = app.Workbooks.Application.ActiveWorkbook; if (w.ReadOnly) MessageBox.Show("HI"); // the above condition is true. } } I would like know whether the file is write protected or not.

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  • Good code visualization / refactoring tools for C++?

    - by Paul D.
    I've found myself coming across a lot of reasonably large, complicated codebases at work recently which I've been asked to either review or refactor or both. This can be extremely time consuming when the code is highly concurrent, makes heavy use of templates (particularly static polymorphism) and has logic that depends on callbacks/signals/condition variables/etc. Are there any good visualization tools for C++ period, and of those are there any that actually play well with "advanced" C++ features? Anything would probably be better than my approach now, which is basically pen+paper or stepping through the debugger. The debugger method can be good for following a particular code path, but isn't great for seeing the big picture you really need when doing serious refactoring. EDIT: I should mention that Visual Studio plugins aren't going to be a lot of help to me, since our stuff is mostly Linux-only.

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  • restrict the scope of variables in a mysql query? with brackets?

    - by Haroldo
    I can't remember what the method is meant to be for ensuring the scope of a variable in a query is restricted to prevent mysql injection. where should i put brackets in the following examples? UPDATE table SET col_1 = '$var', col_2 = '$var2' WHERE col_1 = '$var3' and SELECT * FROM table WHERE WHERE col_1 >= '$var1' (Obviously looking for answers not using PDO!)

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  • Can't return nil, but zero value of slice

    - by Sergi
    I am having the case in which a function with the following code: func halfMatch(text1, text2 string) []string { ... if (condition) { return nil // That's the final code path) } ... } is returning []string(nil) instead of nil. At first, I thought that perhaps returning nil in a function with a particular return type would just return an instance of a zero-value for that type. But then I tried a simple test and that is not the case. Does anybody know why would nil return an empty string slice?

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  • drop down list checked

    - by KareemSaad
    I had Drop down list which execute code when specific condition and I tried to check it through selected value but it get error protected void DDLProductFamily_SelectedIndexChanged(object sender, EventArgs e) { if (DDLProductFamily.Items.FindByText("Name").Selected == true) using (SqlConnection Con = Connection.GetConnection()) { SqlCommand Com = new SqlCommand("GetListViewByProductCategory", Con); Com.CommandType = CommandType.StoredProcedure; Com.Parameters.Add(Parameter.NewInt("@ProductCategory_Id", DDLProductFamily.SelectedValue.ToString())); SqlDataAdapter DA = new SqlDataAdapter(Com); DA.Fill(dt); DataList1.DataSource = dt; DataList1.DataBind(); } else if (DDLProductFamily.Items.FindByText("ProductFamilly").Selected == true) { using (SqlConnection Con = Connection.GetConnection()) { SqlCommand Com = new SqlCommand("GetListViewByProductFamily", Con); Com.CommandType = CommandType.StoredProcedure; Com.Parameters.Add(Parameter.NewInt("@ProductFamily_Id", DDLProductFamily.SelectedValue.ToString())); SqlDataAdapter DA = new SqlDataAdapter(Com); DA.Fill(dt); DataList1.DataSource = dt; DataList1.DataBind(); } } }

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  • Non Technical -Got selected in Well Reputed Organisation but not getting offer letter. What to do..?

    - by Devashri
    Hi, I got selected in a well reputed company on 27th of March for .Net technology and got selection letter. I was told that I will have to join in next 15 days as my notice peroid was 15 days. And I will get my offer letter as I will submit all documents. So I submitted all the documents and I resigned from my curent organisation. But now no communication is being done. I tried to communicate with them but got no respone. Now I resigned from my previous organisation and not getting offer from new one. So what should I do now? I am just waitng for offer letter and looking for another opportunity? Can anyone suggest me the way to get my offer letter..?? I know this question is nontechnical but still I am asking because I would get suggestions or what to do as by IT Professionals who might had gone through the same condition.

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  • ldd output showing shared object file whose function is not called

    - by iamrohitbanga
    I ran ldd command on an executable created by Open MPI. It shows a reference to libpthread.so Using LD_PRELOAD variable I created my own implementation of pthread_create, but from the it output it seems that MPI implementation is not calling pthread_create as I had expected. Why does ldd show pthread so file in output if it is not being used? does Open MPI not use a separate MPI thread for every node to implement the functionality?

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  • Django: Get bound IP address inside settings.py

    - by Silver Light
    Hello! I want to enable debug (DEBUG = True) For my Django project only if it runs on localhost. How can I get user IP address inside settings.py? I would like something like this to work: #Debugging only on localhost if user_ip = '127.0.0.1': DEBUG = True else: DEBUG = False How do I put user IP address in user_ip variable inside settings.py file?

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  • PHP - Pass POST variables with header()?

    - by Dan
    Hi, I'm trying to use the header() function to create a redirect. I would like to display an error message. Currently I'm sending the message as a parameter through the URL, however this makes it look quite ugly. Is there a way to pass this value as a post variable instead? Any advice appreciated. Thanks.

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  • How To Alter This Code So That It Only Redirects If There Is No Mouse Movement

    - by user1426261
    I have the following java script which redirects the user to another website (google in this case). <script type="text/JavaScript"> window.setTimeout("location=('http://www.google.com');",5000); </script> However, although i want the website to redirect to another website, i dont want it to redirect for no reason. My aim is for the website to redirect automatically on the condition that the cursor hasnt been moved for a little while. is this possible?

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  • Is PNG the most economically sound file format to store pictures in?

    - by raoulsson
    I am looking for an economically sound solution to store pictures long time. I read about the PNG file format that it has superior characteristics compared to JPEG, namely in these categories: no patents, no licenses, no royalities no quality loss yet compressed I have a lot of big ESP's from PhotoShop that contain tons of metadata, like layers and color profiles that I don't need to store (those were handy for the designer, when he worked with it). I want to convert these images without that hidden data, to a new target file format. Another side condition to my question is that the target file format has to be displayable in the browser. So I guess my options are limited anyway: GIF, JPEG, PNG. Am I missing something or is PNG the best fit for my case?

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  • Href link with php value

    - by Aruna
    hi i am having a link like below <a href="#" onclick="window.open('http://www.twitter.com/home?status=Reading+Facebook share, Yahoo Buzz and Tweet this buttons for Blogger blogs+http://www.didiknow.com');">Tweet this</a> i want to insert a php variable value inside for the status thing like <a href="#" onclick="window.open('http://www.twitter.com/home?status=$markme_ddesc">Tweet this</a> how to do so?? please help me..

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  • How to undo SQL changes using installer

    - by Sunil Agarwal
    I have installer to install procedures, scripts, views, etc in SQL server 2005/2008. Now I want to add a condition in the installer like if there is any error while installing, I want to undo all the changes done in SQL server. I tried to store the procedures, views, etc which I am changing while installing and reverting them back if I get any error. But am not able to do it the way I want. Can someone guide me if he had done the same thing? To specify I am using WIX installer. Also if someone has tried SMO, it will be of great help.

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  • xcode user script - Apple Script - Sort selected lines by length

    - by Bach
    I need to create a user scripts in xcode where I can sort a selection of multiple lines, by their length (number of characters) I know of this macro variable PBXTextLength, but not sure how to write the script. this is the sort selection script in Xcode: echo -n "%%%{PBXSelection}%%%" sort <&0 echo -n "%%%{PBXSelection}%%%" how can i modify that script to sort the selection by the length of the line (PBXTextLength)? thanks

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  • xargs command works on ubuntu, but not mac

    - by Corey Hart
    I have the following line of code that I use to update my personal date variable in my projects to todays current date. This line works in Ubuntu's terminal, but the Mac terminal seems to be far behind. Unfortunately, I copied this snippet from some site, so I'm not sure how it exactly works. Suggestions? grep -ilr --exclude=revar.sh --exclude=README.md "[DATE]" * | grep -v .git | xargs -i@ sed -i "s/\[DATE\]/${today}/g" @

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  • foo and _foo - about variables inside a class

    - by kame
    class ClassName(object): """ """ def __init__(self, foo, bar): """ """ self.foo = foo # read-write property self.bar = bar # simple attribute def _set_foo(self, value): self._foo = value def _get_foo(self): return self._foo foo = property(_get_foo, _set_foo) a = ClassName(1,2) #a._set_foo(3) print a._get_foo() When I print a._get_foo() the function _get_foo prints the variable self._foo . But where does it come from? self._foo and self.foo are different, aren't they?

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