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• Swing: How to paint focus-rectangle just like current LAF?

  - by John B.

  This might be a long shot, but does anyone know of a way to paint the dotted line focus-rectangle on my custom component just like the current LAF components do? I'm writing a custom component and I would like it's UI delegate to look very much like the Windows 7 LAF. Thanks.

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• Ruby - Writing Hpricot data to a file

  - by John

  Hey everyone, I am currently doing some XML parsing and I've chosen to use Hpricot because of it's ease of use and syntax, however I am running into some problems. I need to write a piece of XML data that I have found out to another file. However, when I do this the format is not preserved. For example, if the content should look like this: <dict> <key>item1</key><value>12345</value> <key>item2</key><value>67890</value> <key>item3</key><value>23456</value> </dict> And assuming that there are many entries like this in the document. I am iterating through the 'dict' items by using hpricot_element = Hpricot(xml_document_body) f = File.new('some_new_file.xml') (hpricot_element/:dict).each { |dict| f.write( dict.to_original_html ) } After using the above code, I would expect that the output look like the following exactly like the XML shown above. However to my surprise, the output of the file looks more like this: <dict>\n", " <key>item1</key><value>12345</value>\n", " <key>item2</key><value>67890</value>\n", " <key>item3</key><value>23456</value\n", " </dict> I've tried splitting at the "\n" characters and writing to the file one line at a time, but that didn't seem to work either as it did not recognize the "\n" characters. Any help is greatly appreciated. It might be a very simple solution, but I am having troubling finding it. Thanks!

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• MySQL "extended" vs "show status"

  - by john a macdonald

  When I do mysqladmin extended from the command line, my Com_* counters differ completely from doing a show status when consoled into MySQL. Why is this?

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• A slight division problem

  - by John

  I've been trying to divide by zero on my calculator, but I keep getting an error. Help?

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• Insert a default row into a combobox that is bound to a datatable?

  - by John M

  On a winform there is a combobox that derives its information from a datatable. The datatable draws from a database list. this.cboList.DataSource = pullData(); this.cboList.DisplayMember = "fieldA"; Once the DataSource is set I am not able to insert a default row (ie *) as the first item in the combobox. I tried this: this.cboList.Items.Insert(0,"*"); Is there a way to insert in the combobox after the datasource is set or should this be done in the datatable?

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• Can the XML serializer output empty tags?

  - by John

  I am using the XML serializer. I would like it to convert all my object's elements, but it only seems to output tags when there is a value. How can I get it to output empty tags?

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• What rules govern cross-version compatibility for .NET applications and the C# language?

  - by John Feminella

  For some reason I've always had trouble remembering the backwards/forwards compatibility guarantees made by the framework, so I'd like to put that to bed forever. Suppose I have two assemblies, A and B. A is older and references .NET 2.0 assemblies; B references .NET 3.5 assemblies. I have the source for A and B, Ax and Bx, respectively; they are written in C# at the 2.0 and 3.0 language levels. (That is, Ax uses no features that were introduced later than C# 2.0; likewise Bx uses no features that were introduced later than 3.0.) I have two environments, C and D. C has the .NET 2.0 framework installed; D has the .NET 3.5 framework installed. Now, which of the following can/can't I do? Running: run A on C? run A on D? run B on C? run C on D? Compiling: compile Ax on C? compile Ax on D? compile Bx on C? compile Bx on D? Rewriting: rewrite Ax to use features from the C# 3 language level, and compile it on D, while having it still work on C? rewrite Bx to use features from the C# 4 language level on another environment E that has .NET 4, while having it still work on D?' Referencing from another assembly: reference B from A and have a client app on C use it? reference B from A and have a client app on D use it? reference A from B and have a client app on C use it? reference A from B and have a client app on D use it? More importantly, what rules govern the truth or falsity of these hypothetical scenarios?

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• VisualSvn Server

  - by John

  Hi all, When I am trying to setup VisualSVN Server in my server. I get error. I can not find solution Error: service VisualSVN Server failed to start. Please check VisualSVN Server log in Event Viewer for more details. Thanks for help.

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• PHP - Is htmlentities() sufficient for creating xml-safe values?

  - by John Himmelman

  I'm building an XML file from scratch and need to know if htmlentities() converts every character that could potentially break an XML file (and possibly UTF-8 data)? The values will be from a twitter/flickr feed, so I need to be sure!

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• SQL developer here -- Nesting with select * finicky in Oracle 10g?

  - by John Sullivan

  I am writing a simple diagnostic query I will execute in my Oracle 10g scratchpad. I am trying to do this as part of a step to build the query. In the SQL Scratchpad for Oracle 10g Enterprise Manager Console, this statement runs fine. SELECT * FROM v$session sess, v$sql sql WHERE sql.sql_id(+) = sess.sql_id and sql.sql_text <> ' ' If I try to wrap that up in Select * from () tb2 I get an error, "ORA-00918: Column Ambiguously Defined". I didn't think that could ever happen with this kind of statement so I am a bit confused. select * from (SELECT * FROM v$session sess, v$sql sql WHERE sql.sql_id(+) = sess.sql_id and sql.sql_text <> ' ') tb2 You should always be able to select * from the result set of another select * statement using this structure as far as I'm aware... right? Is Oracle/10g/the scratchpad trying to force me to accept a certain syntactic structure to prevent excessive nesting? Is this a bug in scratchpad or something about how oracle works?

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• Firewall configuration for win 7 and the Greenbow VPN client.

  - by John

  I'm looking for the correct firewall/router settings to get the Greenbow VPN client to work with Win 7 64 bit. It never seems to get past phase 1 in the connection process. TIA J

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• frequently merge changes between branch and trunk?

  - by John

  My team and I are using svn branches for the first time. Before, we use to work only from the trunk. Over the past 2 weeks, we've been refactoring and developing new code against our branch. But during that time, another developer has been making bug fixes to code in the trunk and deploying it to the production server. We would like to frequently "update" our branch with changes from the trunk to make sure we get the latest fixes. But the problem is that we're making drastic changes to our branch, and many files have been renamed. I have a feeling every "update" we do on our branch that takes changes from trunk will cause a conflict, unless we some how get subversion to recognise that fileA.html in trunk is really fileB.html in branch. Am I using subversion branches correctly? Am I using the word "update" correctly? Are frequent "updates" in branch advisable?

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• Django admin - remove field if editing an object

  - by John McCollum

  I have a model which is accessible through the Django admin area, something like the following: # model class Foo(models.Model): field_a = models.CharField(max_length=100) field_b = models.CharField(max_length=100) # admin.py class FooAdmin(admin.ModelAdmin): pass Let's say that I want to show field_a and field_b if the user is adding an object, but only field_a if the user is editing an object. Is there a simple way to do this, perhaps using the fields attribute? If if comes to it, I could hack a JavaScript solution, but it doesn't feel right to do that at all!

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• Why does my git push hang after successfully pushing?

  - by John

  On a newly set up ssh git repo, whenever I push, I get normal output like this: ? git push Counting objects: 15, done. Delta compression using up to 4 threads. Compressing objects: 100% (9/9), done. Writing objects: 100% (9/9), 989 bytes, done. Total 9 (delta 7), reused 0 (delta 0) It happens very quickly, and the changes are immediately available on the server repo. But the output hangs there for about a minute, and then finishes with: To [email protected]:baz.git c8c391c..1de5e80 branch_name -> branch_name If I control-c before it finishes, everything seems to continue to be normal and healthy, locally and remotely. What is it doing while hanging? Is something configured incorrectly on the server side?

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• Wordpress get_the_ID() returns nothing but get_the_title() returns title?

  - by John

  I'm struggling with wordpress templates. In one of my theme templates I have the following lines <?php echo get_the_ID(); // displays nothing echo get_the_title(); // displays "Hello World! this is title" ?> Why does the get_the_ID() return nothing ? I want the page id of the current page I'm on.

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• Movable SPCompositControl

  - by John Hansen

  Is it possible to make a movable SPCompositControl. I have made a popup dialogbox, but I want it to be movable.

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• How to enforce a 5-minute per post rule in a session object in Java?

  - by John

  I'm trying to figure out how to enforce a 5 minute per post/action rule. I'm developing a web application with Wicket in Java and I've got a session class which I was planning on using to keep track of these timers on a per-user basis. I wasn't planning on storing the timestamp in a database. public boolean isAllowedToPost() { if(null OR has 5 minutes passed since last post) { // set the new timestamp return true; } else { return false; } }

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• What's the best way to return total item count from a repository getitems method

  - by John

  We've got the following repository method public IList<Foo> GetItems(int fooId, int pageIndex, int pageSize , string sortField, string sortDir, out int totalItems) { // Some code } My question is: is it ok to use out in this way. I'm somewhat uncomfortable with out, but can't come up with a better way to write this as a single call.

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• mod_rewrite htaccess redirect on specific request

  - by John

  is there a way to make mod_rewrite redirect all urls contain the following request: ?do=page&f=* to a specific page? for example: http://example.com/index.php?do=page&f=2 http://example.com/index2.php?do=page&f=4 http://example.com/page.php?do=page&f=22 to: http://example.com/custom.php

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• Do most web 'programmers' (not designers) use WYSIWYG editors or hand code their HTML?

  - by John MacIntyre

  When I started programming web pages, it became immediately obvious that the WYSIWYG editors sucked. The HTML output was difficult to maintain, did things in ways you may not have agreed with, completely messed up existing pages if opened, couldn't handle code in the page, and was polluted with dead or irrelevant code like <font ...></font>. At that time, I didn't know a single programmer with more than 6 months experience who didn't hand code their HTML. Even now, most of the developers I know hand code their HTML. But, I also realize this was a decade ago, WYSIWYG editors have improved, and I may be seriously underproductive hand coding my HTML. Do you, as a web programmer, use WYSIWYG editors for your HTML? PS-I'm kind of thinking we can just vote either YES or NO, and put comments below.

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• How do I access abstract private data from derived class without friend or 'getter' functions in C++?

  - by John

  So, I am caught up in a dilemma right now. How am I suppose to access a pure abstract base class private member variable from a derived class? I have heard from a friend that it is possible to access it through the base constructor, but he didn't explain. How is it possible? There are some inherited classes from base class. Is there any way to gain access to the private variables ? class Base_button { private: bool is_vis; Rect rButton; public: // Constructors Base_button(); Base_button( const Point &corner, double height, double width ); // Destructor virtual ~ Base_button(); // Accessors virtual void draw() const = 0; bool clicked( const Point &click ) const; bool is_visible() const; // Mutators virtual void show(); virtual void hide(); void move( const Point &loc ); }; class Button : public Base_button { private: Message mButton; public: // Constructors Button(); Button( const Point &corner, const string &label ); // Acessors virtual void draw() const; // Mutators virtual void show(); virtual void hide(); }; I want to be able access Rect and bool in the base class from the subclass

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• Winforms - How to allow user to increase font size of listview with hidden controls?

  - by John M

  I am creating an winform application that will run on a tablet PC. One form for this app will have a listview control. I would like to allow the user to change the font size based on preference (ie did they remember their glasses today). A few ways that I can think of would be a numeric-up-down or +/- button controls. Both of these ways require screen real estate that is very limited. Is there a control or technique that would allow font size changes with a hidden-when-not-used control?

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• Java 7 New Features

  - by John W.

  I have done some good reading on the new java.util.concurrent features being introduced with the java 7 release. For instance, Phaser, TransferQueue and the more exciting Fork Join Framework. I recently saw a power point made by Josh Bloch about even more features that are going to be introduced however that link has been lost. For example I remember one change is being able to build a Map the same way you can build an array for: Map myMap = {"1,Dog","2,Cat"}; and so forth (this may not be 100% correct but the idea is there) Does anyone know of a list or just can name some new things to look forward to? Note: I did see a question asked http://stackoverflow.com/questions/213958/new-features-in-java-7 however it was asked ~2 years ago and I am sure the list of updates are more concrete. Thanks!

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• PHP - How to determine if request is coming from a specific file.

  - by John

  I have fileA.php on SERVER_A and fileB.php on SERVER_B fileB.php makes a curl request to fileA.php for it's contents How can fileA.php determine that the request is coming specifically from fileB.php? -- I was thinking about sending the $_SERVER['SCRIPT_NAME'] in fileB.php to fileA.php but since someone can go into fileB.php or any file in general and just do $_SERVER['SCRIPT_NAME'] = 'fileB.php'; it's not really that secure. So how can I determine, for security reasons, that the request is coming from a specific file on a different server?

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• String padding for a text template

  - by ndee

  I'm creating a PDF file from a txt-template with tcpdf ([Example 8][1]). The txt-template looks like this: SALUTATION FIRSTNAME LASTNAME STREET CURRENTDATE SOMEMOREINFORMATION MYWEBSITE I replace those markers with the correct value. So that it would look like this: Mr. John Doe Downingstreet 10 14th May, 2010 [email protected] www.stackoverflow.com In this example, when I replace the values, the indention of the date is dependent on the length of the street name (which I don't want). I could solve this issue with str_pad but the problem is, I normally use three columns and there are lines which only have content in col1 and col3 as in the last line. How can I solve that problem? Is there something like the "overwrite" function in Word, that when you write, the text just gets overwritten? Thanks in advance.

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