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• Random password variable disappears

  - by snaken

  Hi, I'm using the following to generate a random password in a shell script: DBPASS=</dev/urandom tr -dc A-Za-z0-9| (head -c $1 > /dev/null 2>&1 || head -c 8) When i run this in a file on its own like this: #!/bin/sh DBPASS=</dev/urandom tr -dc A-Za-z0-9| (head -c $1 > /dev/null 2>&1 || head -c 8) echo $DBPASS A password is echoed. When i incorporate it into a larger script though the variable never seems to get created for some reason, so for example this doesn't work: DBPASS=</dev/urandom tr -dc A-Za-z0-9| (head -c $1 > /dev/null 2>&1 || head -c 8) sed -i s/oldpass/$DBPASS/ mysql_connect.php If i manually set the variable though everything is fine.. can anyone see why?

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• how does a research topic fit into a program?

  - by Asj

  My project is supposed to be about creating a program to help put a math test online. The program should generate questions that vary on each run of the test, and it should grade the test after someone takes it. (I found out recently that there's a system that can do some of the tasks already, but I don't think many people know how to use it) What type of research could be involved? I need to find a research article that relates to my project, and I'm having a lot of trouble figuring out what type of subject to look for.

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• Activiti Engine: Task Event - User is null

  - by sockeqwe

  I have a problem, which should be simple to solve, but i can't find the method to call to solve this problem: My problem is, that every Task Event (org.activiti.engine.task.Event) returnes null by calling Event.getUserId(); If I take a look into the database I see that the database table ACT_HI_COMMENT has null as value for the column USER_ID_ for every row. I generate these TaskEvents programmatically by calling (for example) processEngine.getTaskService().addComment(task.getId(), null, commentMessage); processEngine.getTaskService().addUserIdentityLink(task.getId(), user.getId(), IDENTITY_LINK_OBSERVER); I guess there is a simple method that I must call to solve this problem, something like processEngine.setCurrentUser(authenticatedUser.getId()); Any suggestions?

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• How do I write a Photoshop Extension (8BX) plugin?

  - by Oliver Ahul

  The Adobe Photoshop CS3/4 SDk has a lot of examples for Filter, Import, Export etc plugins but I havent found anything that illustrates how to write a 8BX plugin. Reason I need to write one is to add a new drop down menu to the Photoshop root toolbar (where it displays File, Edit, Image .. Window. Help drop down menus). I have seen product like OneSoftware install an 8BX plugin into Adobe Photoshop CS3\Plug-Ins\Extensions directory that causes PS to add adrop down menu for OneSoft. That suggest this is a solvable problem :-) I tried by changing an existing plugin in the SDlK samples but no go. Specifically i modified the resource file: resource 'PiPL' (ResourceID, plugInName " PiPL", purgeable) { { Kind { **Extension** }, Name { plugInName "..." }, ... Despite using the Extension Kind , PS never loads the plugin. It doesnt generate any compile time or load error either. Anyone has ideas on how to go about doing this ? Thanks

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• Ignoring all line feeds in a FreeMarker template

  - by Will

  I'm trying out FreeMarker, not for a web application but to generate text within a desktop application. I'd like to get the text without any linefeeds, however it always appends a linefeed. For example, this would produce "blah blah\n" <#if docType=1> blah blah <#if docType=2> more blah <#/if> Any ideas? Bunching it all into one line works, but is horrible. Thanks.

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• linq .net with dynamically generated controls

  - by Stuart

  This is a very strange problem and i really dont have a clue whats causing it. What is supposed to happen is that a call to the BLL then DAL returns some data via a linq SPROC call. The retunred IMultipleResults object is processed and all results stored in a hashtable. The hashtable is stored in session and then the UI layer uses these results to dynamically generate some gridviews. Easy you would think. But if i run the code i dont get any gridviews. If i take out the call to the BLL and DAL the gridviews appear but with nothing in them? Why is it the page renders correctly when i take out the call to get the data? Thanks.

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• html/php: how to handle absolute url's?

  - by YuriKolovsky

  Is the html tag safe to use in terms of browser support? Or should I generate a root path with PHP which i then add like this <a href="<?=BASE?>somepage.html">somepage</a> which makes up a absolute url. using the base tag like this <base href="<?=BASE?>" /> I am then able to use links like this <a href="somepage.html">somepage</a> now I am fully aware that it would be much easier to just do this without using the base tag: <a href="/somepage.html">somepage</a> but how do I test locally then with a base url of http://localhost/testsite/ ???

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• Question about SSL Certificate.

  - by smwikipedia

  Hi experts, I am trying to make a SSL connection to a web site. Each time I enter the https:// address and press enter, the IE8 prompts me to select the Certificate (Client Certificate) to send to the server. I got 2 certificates to choose from. And they are stored in the IE8 - Internet Options - Content - Certificates - Personal. Since my server and client are the same machine, I want to use a single certificate for both server and client. And this certificate is a IIS generated self signed certificate. I do the following steps: 1- Generate a self-signed-cert in IIS; 2- Bind my site to https and choose the above self-signed-cert 3- Import the self-signed-cert at the IE8 - Internet Options - Content - Certificates - Personal. Then I use the https link to access my page, it is still prompts me to choose a certificate. But I cannot see my newly imported self-signed-cert. Why?

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• Query to add a column depending of outcome of there columns

  - by Tam

  I have a user table 'users' that has fields like: id first_name last_name ... and have another table that determines relationships: user_id friend_id user_accepted friend_accepted .... I would like to generate a query that selects all the users but also add another field/column say 'network_status' that depends on the values of user_accepted and fiend_accepted. For example, if user_accepted is true friend_accepted is false I want the 'network_status' field to say 'request sent'. Can I possibly do this in one query? (I would prefer not to user if/else inside the query but if that's the only way so be it)

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• How to sort & Group in Android?

  - by crickpatel0024

  I have ArrayList and I want to sort and group all data by header in Android. How it is possible in Android? please help me.below me from owner And set header Me And Joe Manager From owner And set Header in listview. How to do that in Android? My code in below:: public class Request extends Activity { private String assosiatetoken; private ArrayList<All_Request_data_dto> list = new ArrayList<All_Request_data_dto>(); ListView lv; Button back; private Spinner spndata; String[] reqspinner = { "Request Date", "Last Update", "Type", "Owner", "State" }; ArrayAdapter<String> adapter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.request); assosiatetoken = MyApplication.getToken(); new doinbackground(this).execute(); back = (Button) findViewById(R.id.button1); spndata = (Spinner) findViewById(R.id.list_all_quize_req); adapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, reqspinner); spndata.setAdapter(adapter); lv = (ListView) findViewById(R.id.listrequestdata); lv.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView<?> a, View v, int position, long id) { Intent edit = new Intent(Request.this, Request_webview.class); // edit.putExtra("Cat_url", url_link); startActivity(edit); } }); spndata.setOnItemSelectedListener(new OnItemSelectedListener() { public void onItemSelected(AdapterView<?> arg0, View arg1, int position, long arg3) { switch (position) { case 0: list = DBAdpter.requestUserData(assosiatetoken); Collections.sort(list, byDate1); // Collections.reverse(list); for (int i = 0; i < list.size(); i++) { if (list.get(i).submitDate != null) { lv.setAdapter(new MyListAdapter( getApplicationContext(), list)); } } break; case 1: list = DBAdpter.requestUserData(assosiatetoken); Collections.sort(list, byDate); for (int i = 0; i < list.size(); i++) { if (list.get(i).lastModifiedDate != null) { lv.setAdapter(new MyListAdapter( getApplicationContext(), list)); } } break; case 2: list = DBAdpter.requestUserData(assosiatetoken); Collections.sort(list, byDate3); // Collections.reverse(list); for (int i = 0; i < list.size(); i++) { if (list.get(i).state != null) { lv.setAdapter(new MyListAdapter( getApplicationContext(), list)); } } break; case 3: list = DBAdpter.requestUserData(assosiatetoken); for (int i = 0; i < list.size(); i++) { lv.setAdapter(new MyListAdapter( getApplicationContext(), list)); } break; default: break; } } public void onNothingSelected(AdapterView<?> arg0) { } }); back.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { finish(); } }); } static final Comparator<All_Request_data_dto> byDate = new Comparator<All_Request_data_dto>() { SimpleDateFormat sdf = new SimpleDateFormat("MM/dd/yyyy hh:mm:ss a"); public int compare(All_Request_data_dto ord1, All_Request_data_dto ord2) { java.util.Date d1 = null; java.util.Date d2 = null; try { d1 = sdf.parse(ord1.lastModifiedDate); d2 = sdf.parse(ord2.lastModifiedDate); } catch (java.text.ParseException e) { // TODO Auto-generated catch block e.printStackTrace(); } return (d1.getTime() > d2.getTime() ? -1 : 1); // descending // return (d1.getTime() > d2.getTime() ? 1 : -1); //ascending } }; static final Comparator<All_Request_data_dto> byDate1 = new Comparator<All_Request_data_dto>() { SimpleDateFormat sdf = new SimpleDateFormat("MM/dd/yyyy hh:mm:ss a"); public int compare(All_Request_data_dto ord1, All_Request_data_dto ord2) { java.util.Date d1 = null; java.util.Date d2 = null; try { d1 = sdf.parse(ord1.submitDate); d2 = sdf.parse(ord2.submitDate); } catch (java.text.ParseException e) { // TODO Auto-generated catch block e.printStackTrace(); } return (d1.getTime() > d2.getTime() ? -1 : 1); // descending // return (d1.getTime() > d2.getTime() ? 1 : -1); //ascending } }; static final Comparator<All_Request_data_dto> byDate3 = new Comparator<All_Request_data_dto>() { public int compare(All_Request_data_dto ord1, All_Request_data_dto ord2) { String d1 = null; String d2 = null; d1 = ord1.state; d2 = ord2.state; return d1.compareToIgnoreCase(d2); } }; class doinbackground extends AsyncTask<Void, Void, Void> { ProgressDialog pd; private Context ctx; public doinbackground(Context c) { ctx = c; } @Override protected void onPreExecute() { super.onPreExecute(); pd = new ProgressDialog(ctx); pd.setMessage("Loading..."); pd.show(); } @Override protected Void doInBackground(Void... Params) { return null; } @Override protected void onPostExecute(Void result) { super.onPostExecute(result); pd.cancel(); } } public class MyListAdapter extends BaseAdapter { private ArrayList<All_Request_data_dto> list; public MyListAdapter(Context mContext, ArrayList<All_Request_data_dto> list) { this.list = list; } public int getCount() { return list.size(); } public All_Request_data_dto getItem(int position) { return list.get(position); } public long getItemId(int position) { return position; } public View getView(int position, View convertView, ViewGroup parent) { // if (convertView == null) { LayoutInflater inflator = (LayoutInflater) getSystemService(LAYOUT_INFLATER_SERVICE); convertView = inflator.inflate(R.layout.custom_request_data, null); TextView req_id = (TextView) convertView.findViewById(R.id.req_txt); TextView date = (TextView) convertView.findViewById(R.id.date_txt); TextView owner = (TextView) convertView .findViewById(R.id.owner_txt); TextView state = (TextView) convertView .findViewById(R.id.state_txt); req_id.setText(list.get(position).requestId + " - " + list.get(position).title); date.setText(list.get(position).lastModifiedDate + " - " + list.get(position).submitDate); owner.setText(list.get(position).owner); state.setText(list.get(position).state); // } return convertView; } } }

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• Creating DB views in Ruby on Rails

  - by Zigu

  Hey guys, I'm building a "reports" functionality to a project. 3 roles here: 1) Volunteers (they report what hours they volunteered) 2) Supervisors (they look at the reported stuff, note: one supervisor can view all projects) 3) Projects (Represents a work project that some collection of volunteers work on) To explain what it does: A report will be specified by the supervisor to generate based on a query of what he needs. These could be plausible reports: 1) The total number of volunteers, and the total amount of volunteer hours on this project 2) All the volunteer's names and emails associated with a project 3) The number of active projects vs. the total number of projects I was thinking maybe that creating a view in rails and storing the name of that view so Rails will just check the view whenever a supervisor wants to pull up the "report". Is a view really the answer or is it better to just save a query? Can Rails do this or is there an even better or more simple way of achieving this functionality? Cheers, -Jeremiah Tantongco

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• why it is up to the compiler to decide what value to assign when assigning an out-of-range value to

  - by Allopen

  in C++ Primer 4th edition 2.1.1, it says "when assigning an out-of-range value to a signed type, it is up to the compiler to decide what value to assign". I can't understand it. I mean, if you have code like "char 5 = 299", certainly the compiler will generate asm code like "mov BYTE PTR _sc$[ebp], 43"(VC) or "movb $43, -2(%ebp)"(gcc+mingw), it IS decided by the compiler. but what if we assign a value that is given by the user input? like, via command line? and the asm code generated will be "movb %al, -1(%ebp)"(gcc+mingw) and " mov cl, BYTE PTR _i$[ebp] mov BYTE PTR _sc$[ebp], cl "(VC), so now how can compiler decide what will happen? I think now it is decided by the CPU. Can you give me a clear explanation?

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• Good way to fetch XML from a remote URL, convert it to HTML and display it in a ASP.NET-page

  - by Binary255

  Hi, The use case I want to achive is. 1. Fetch XML from a remote URL. 2. Convert it to HTML using XSLT 3. Insert the generated HTML at a position in my ASP.NET web forms page. Alternative on the above, if 1 returns a 404: 2. Generate HTML which display an error message to the user. Only step 3 is left as I've completed 1-2. As there are logic for handling the two execution paths and performing the XSLT-transformation I thought it would be suitable to keep it in the code-behind file. What's a good, clean way of inserting generated HTML at a position in my ASP.NET web forms page?

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• How to ignore viewstate of a previous request for particular control?

  - by AaronLS

  I am dynamically generating controls, and sometimes I want to create a control and have it ignore the viewstate. For example, sometimes the user has clicked a button indicating they want a different form loaded, so the control tree I generate on postback is different from the original control tree. This is fine, except when I call Controls.Add then it tries to load the viewstate form the old controls into the new controls if the control tree structure is similar, and I want them to instead ignore that viewstate(and also ignore the postback values for input controls as well). Can I do something like set the IDs of the controls or something that would allow me to conditionally prevent them from getting the viewstate/postback data of the previous request?

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• Display list of websites on local IIS server in a web page

  - by TGuimond

  Hey Guys, I am currently trying to figure out a way to list all of the websites that are running on a local IIS 6 server at the office and display links to each site with their descriptions so we can always find our development sites with ease. The way that the server is currently set up is I add a DNS record for a new site. eg: newsite.company.local and then add it to IIS. This way all the users in our office can access this site via their browser and developers can test, admins can review etc etc. What I want to do now is automatically generate a webpage with a list of all of the sites running on iis and have it be available across the network. I have never looked into this before and have no idea where to start.. help! Thanks :)

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• Maintaining stored procedures in source control

  - by dub

  How do you guys maintain your stored procedures? I'd like to keep versions of them for a few different reasons. I also will be setting up cruisecontrol.net and nant this weekend to automate builds. I was thinking about coding something that would generate the create scripts for all tables/sprocs/udf/xml schemas in my development database. Then it would take those scripts and update them in source control every couple hours.... Ideally, I'd like to make this some sort of plugin/module for cruisecontrol.net. Any other ideas?

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• asp.net web form Cutom Router Handler

  - by jparram

  I am using a custom route handler for a webforms application. I am using routes to determine localization. ie: if the url has es or fr in the route it will load either spanish or french resources. for example: www.someroute/es/checkstuff/checkstuff.aspx will load: www.someroute/checkstuff/checkstuff.aspx with the spanish resources. I am configuring the custom routes in global.asax via: protected void Application_Start(object sender, EventArgs e) { RegisterRoutes(RouteTable.Routes); } public static void RegisterRoutes(RouteCollection routes) { foreach (var value in _customRoutes) { routes.Add(value.RouteName, new Route(value.Route, new CustomRouteHandler(value.ResolvedRoute))); } } where _customroutes is a list of routes. Is there a way to do this with some kind of pattern matching so I can avoid adding a specific route for each page in the application. While I know I could use a t4 template to generate the routes, I guess I am looking for a dynamic way to create the list

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• strange SQL Server attach database error

  - by George2

  Hello everyone, I am using SQL Server 2008 Enterprise with VSTS 2008, and I am developing a simple web application using ASP.Net and Forms Authentication. When I am using the configuration tool/menu of VSTS of my ASP.Net project (I want to use this tool to manually add some Forms authentication users), I met with the following error (SqlException), Trying to attach file D:\Projects\MyTest\App_Data\aspnetdb.mdf to automatically named database failed. It may be caused by existing the same name database, or may be caused by specified file can not be opened or caused by the specified file exists in UNC share. In my computer, there is no aspnetdb.mdf under dir D:\Projects\MyTest\App_Data, and I have used aspnet_regsql to generate database successfully before I run the configuration tool. Why there is such error? How to fix it? thanks in advance, George

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• How to format an email address line (with name) with PHP?

  - by nbr

  I'm trying to generate email messages. The recipient's email address and name are specified by a user. What is the correct way to do this with PHP: $to_header = "To: $name <$email>" # incorrect! I already use a decent method for validating the email addressess (let's not go to that now...), but how do I properly encode $name with eg. QP when needed? For example, if the recipient is called "Foo Bär", I should produce (eg.) something like: To: =?utf-8?Q?Foo_B=C3=A4r?= <[email protected]>

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• c# error: Use of unassigned local variable (context visual studio T4 ENGINE)

  - by user310291

  In C# (within the context of T4 template see http://www.olegsych.com/2008/03/how-to-generate-multiple-outputs-from-single-t4-template/) I want to do this <# String myTemplateVar; #> <# if (string.IsNullOrEmpty(myTemplateVar)) { myTemplateVar= "name"; }; #> I want to give a value to myTemplateVar if myTemplateVar has not already been setup by an external call from T4 engine in another template which would have this instruction: CallContext.SetData("myTemplate.myTemplateVar", ExternalTemplateVar); But I cannot even compile in C# why ? How to fix this ?

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• How would you use version control for personal data, like a personal website?

  - by nn

  This is more a use-case question, but I generate static files for a personal website using txt2tags. I was thinking of maybe storing this information in a git repository. Normally I use RCS since it's simplest, and I'm only a single user. But there just seems to be a large trend of people using git/svn/cvs/etc. for personal data, and I thought this may also be a good way to at least learn some of the basics of the tool. Obviously most of the learning is done in an environment where you collaborate. So back to the question: how would you use use a version control system such as git, to manage a personal website?

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• Can Eclipse not hard-code ECLIPSE_HOME when exporting build.xml?

  - by stevex

  I have an Eclipse project that I'm attempting to set up to build both with Eclipse and externally with Ant. It seems like a good way to do this is to have Eclipse generate a build.xml file that I can then use with ant. I'd like to set it up so the build.xml can be regenerated from Eclipse whenever the need arises, which means no hand-editing the build.xml file. But Eclipse writes one entry in there that has a hard-coded path to a directory on my computer, which makes it unsuitable for checking in to a source repository. Specifically it's this entry that's the trouble: <property name="ECLIPSE_HOME" value="D:/Eclipse/Eclipse Galileo (3.5) SR1"/> Is there some way to have Eclipse not output this line, or to make it a relative reference or something that makes sense to check in?

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• Is there any tool which can show the call tree for SQL stored procedures

  - by DBZ_A

  I have a huge SQL script which i need to analyse. It would be really helpful if i could find a tool which can generate a call tree; ie, to see which all procedures are called from a particular procedure. a perl based example is here, http://sqlblog.com/blogs/linchi_shea/archive/2009/10/23/find-the-complete-call-tree-for-a-stored-procedure.aspx but i need a tool to analyse the text file (.sql file), not the procedure stored in the database. due to some reasons i will not be able to create the whole set of procedures in the database and use the above mentioned tool. please respond if you have come across any ide/tool with this feature.

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• Clientside Javascript --> Serverside Java --> user is served a .doc

  - by ignorantslut

  I am helping someone out with a javascript-based web app (even though I know next to nothing about web development) and we are unsure about the best way to implement a feature we'd like to have. Basically, the user will be using our tool to view all kinds of boring data in tables, columns, etc. via javascript. We want to implement a feature where the user can click a button or link that then allows the user to download the displayed data in a .doc file. Our basic idea so far is something like: call a Java function on the server with the desired data passed in as a String when the link is clicked generate the .doc file on the server automatically "open" a link to the file in the client's browser to initiate the download Is this possible? If so, is it feasible? Or, can you recommend a better solution? edit: the data does not reside on the server; rather, it is queried from a SQL database

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• [MySQL, InnoDb] Rating place

  - by Pavel

  I'm trying to generate rating place table using following receipt http://stackoverflow.com/questions/1776821/assign-places-in-the-rating-mysql-php but my database is high loaded. I tried not to create table, but use MEMORY TABLE and update it using following SQL query insert into tops (uid) select uid from users order by exp desc; but got the following MySQL error Deadlock found when trying to get lock; try restarting transaction because there are too many queries until SQL select is being executed. How to solve this problem? P.S. CREATE TABLE tops as SELECT work almost fine except high server load... up to load average: 50 if tops are non-memory table. My table users has near 4.5 millions of rows. Thanks for any advices.

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