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  • How to prevent command/script from changing global environment

    - by guillermooo
    I need to run scriptblocks/scripts from the current top-level shell and I want them to leave the global environment unmodified. So far, I've only been able to think of the following possibilities: powershell -file <script> powershell -noprofile -command <scriptblock> The problem is, that they are very slow. For instance, I would like to be able to do: mkdir newdir cd newdir $env:NEW_VAR = 100 ni -item f 'newfile.txt' ...so that my shell's working dir wouldn't change and $env:NEW_VAR wouldn't be set in the global environment. Are there any more alternatives to accomplish this?

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  • Errors when using a Ruby On Rails scaffold with a data type of interger

    - by bublebboy
    I am learning Ruby On Rails. I am on a shared hosting with Ruby version 1.8.1 and Rails version 2.3.10. I am working my way through a tutorial at http://railstutorial.org/chapters/a-demo-app?version=2.3#top and at one point in the tutorial it has me run: script/generate scaffold Micropost content:string user_id:interger The tutorial is using the default database, SQLite3. The command works and I use rake db:migrate to create the database. I can view the page listing the microposts (which is empty), but when I try to add a micropost (microposts/new) I get an error undefined method `user_id' for #<Micropost:0x7f710e4988e8> After doing some testing on my own it seems I experience the problem by using the data type of interger. While I understand that using a scaffold is not the best way of building a ruby on rails, I'm just beginning and would still like to know why I am experiencing this problem to help me better understand how rails works.

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  • With HTML and CSS, how to have an image that is vertically aligned with a horizontal line?

    - by sungod000
    I'd like the image on the left to be adjacent to the horizontal line on the right (bottoms lining up flush). It should be responsive so that the line can change widths as needed. Right now, the image is sitting on top of the line, not beside it. Here is the HTML <div> <img src="image.png"> <hr> </div> Here is the CSS img { float:left } hr { width:100% } How to make this happen?

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  • Is 'donation' considered as commerical?

    - by Horace Ho
    I want to port an open source program to iPhone, the license prohibited any commercial use of the code. I emailed the author and he sent back an email saying freeware is ok. Of course I cannot (should not) charge anything on top of the code. Still, I want to get compensation for my work on UI design, graphics and integration work. So I wonder: Is donation (via PayPal) OK for my case? Is in-app purchase OK? i.e. the program is free, the user has the option to buy addition theme graphics? Thanks

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  • Stop jQuery animations stacking

    - by Chris
    I have an Options box that hovers in the top right of the webpage. It's opacity is set to 10% so as not to be obstructive to users. When they hover over (mouseenter) it I use jQuery to fade it in and slidedown the content (and the reverse on mouseout). If they do this repeatedly though the animation stacks up and you can sometimes be left in a situation where your mouse is stood still but the box is yo-yoing around. How can I get around this situation? Here is how I currently setup the animations $("#dropdown").mouseenter(function() { $(this).fadeTo('fast',1); $("#options").slideDown(); }); $("#dropdown").mouseleave(function() { $(this).fadeTo('fast',0.1); $("#options").slideUp(); }); Note I am using jQuery only and not any other plugins.

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  • Tables in LaTeX

    - by rosalia
    When I try centering my table & getting a caption so that it reads something like "Table 1. This is the caption." the table appears at the top of the page no matter what I do. If I don't do the caption then I can get it in the part of the document that I want. How do I fix this problem? \begin{table} \caption{This is the caption.} \begin{center} \begin{tabular}{ | l | l | l | l |} \hline ... \hline \end{tabular} \end{center} \end{table}

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  • Is there a better method for scrolling a page (with jQuery) in Safari for iPhone (scrollTop doesn't

    - by Keeron
    Hi there, I am working on an iPhone version of a website, and I am using jQuery .animate() with the scrollTop attribute to scroll to different sections of the page. Something like so: $('html,body').animate({ scrollTop: distance }, 300); On regular web browsers, the scrolling starts from the current window position to the desired position. On the iPhone, the window jumps back to the top of the document before scrolling to the desired position. This is apparently the intended action, but the pages just don't look good with all that movement. Alternatively, on Google.com for the iPhone, when the autosuggest is activated, there is a nice simple scroll to show the autosuggest options below the search box. That's what I'd like to do...

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  • OS monitoring using JAVA

    - by Puneri
    I'm planning to implement a framework for monitoring OS level resources: process network stats cpu info etc using JAVA. I see there is SIGAR API by Spring, which is implemented in native language and JAVA API being provided on top. But I will prefer not to have native stuff in my framework, rather for each OS will write a Java Class which will fetch required OS info by running system commands via JAVA Runtime. So I would like to have inputs/suggestions that one may have seen of not doing this in JAVA and use native app/api/jni. Any example will help for sure. I agree each OS has different commands to get these stats, but will prefer to have a Java Class per OS than have/load native code.

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  • Why are items being placed below?

    - by Adam DePolo
    This is really confusing and I have never had this occur. For my computer, it is fine. But for anyone else's computer I have tried, it screws up. So on my site, designatease.com , the second bar down, it places the fifth item down below the first four. I am not sure why it is doing this. I want them to span across the bar but the stop at about half way. Help me out SOF. HTML <html> <head> <link rel="stylesheet" type="text/css" href="style.css" /> <title>Design At Ease - Home</title> </head> <body> <div id="header"> <div id="logo"><a class="logoclass">DesignAtEase.com</a></div> <ul id="headerlinks"> <li><a href="index.html">Home</a></li> <li><a href="coding.html">Coding</a></li> <li><a href="graphics.html">Graphics</a></li> <li><a href="database.html">Database</a></li> <li><a href="support.html">Support</a></li> <li><a href="more.html">More</a></li> </ul> </div> <ul id="quicklinks"> <li><a href="quickstart.html">Quick Start</a></li> <li><a href="tagsmain.html">Tag Helper</a></li> <li><a href="html.html">HTML</a></li> <li><a href="css.html">CSS</a></li> <li><a href="photoshop.html">Photoshop</a></li> <li><a href="quickstart.html">Quick Start</a></li> <li><a href="tagsmain.html">Tag Helper</a></li> </ul> </body> </html> CSS body{ background:#fffffc; margin: auto auto; } #header{ background:#e5e5e5; height:35px; width:100%; border-bottom: 1px #c9c9c9 solid; } #headerlinks{ position:relative; display:inline; float:right; margin-right:5%; bottom:37px; } #headerlinks li{ display:inline; padding-left:25px; } #headerlinks li a{ color:#777777; display:inline; font-size:18px; font-family: sans-serif; text-decoration:none; } #headerlinks li a:hover{ color:#a3a3a3; display:inline; font-size:18px; font-family: sans-serif; text-decoration:none; } #logo{ position:relative; color:black; margin-left:5%; top:5px; } .logoclass{ color:#212121; display:inline; font-size:24px; font-family: sans-serif; text-decoration:none; } #quicklinks{ width:90%; margin-left:auto; margin-right:auto;; height:25px; background:#e5e5e5; border-bottom: 1px #c9c9c9 solid; border-left: 1px #c9c9c9 solid; border-right: 1px #c9c9c9 solid; top:-16px; position:relative; } #quicklinks li{ display:inline; } #quicklinks li a{ } #quicklinks li a:hover{ } #wrapper{ width:80%; height:100%; }

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  • Looping over some selected values in a stored procedure

    - by macca1
    I'm trying to modify a stored procedure hooked into an ORM tool. I want to add a few more rows based on a loop of some distinct values in a column. Here's the current SP: SELECT GRP = STAT_CD, CODE = REASN_CD FROM dbo.STATUS_TABLE WITH (NOLOCK) Order by STAT_CD, SRT_ORDR For each distinct STAT_CD, I'd also like to insert a REASN_CD of "--" here in the SP. However I'd like to do it before the order by so I can give them negative sort orders so they come in at the top of the list. I'm getting tripped up on how to implement this. Does anyone know how to do this for each unique STAT_CD?

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  • Android - Can display a single Activity using two layout.xml files?

    - by Avadhani
    I had developed Android app having some screens with common UI format. The format in top-down approach is: Title Header (Two buttons, ImageView) Content Area- It will differ among Activities (contains ListView, Tabs, Buttons, TextView, WebView....) Footer Layout (Relative Layout with three Imagebuttons) I want to reformat the code in such a way that one xml contains Title Header and Footer Layout and other xml contains ListView,Tabs, Buttons.. based on the usage. Can i acheive this? Please help me with sample code/links....

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  • Navigating by foreign keys in ADO.NET Entity Framework/MySQL

    - by Werg38
    I am using ASP.NET MVC2 on top of a MySQL database in VS2008. I am using the MySQL ADO.NET connector 6.2.3 to provide the connection for the ADO.NET Entity Data Model. This is mostly working ok, however navigating via foreign keys is causing me a real headache! Here is a simplified example.. Car (Table) CarID PK Colour Doors ManufacturerID FK Manufacturer (Table) ManufacturerID PK Name In the edmx file I can see the 1-many relationship shown as a navigation property in the both the Car and Manufacturer tables. I create a Models.CarRepository that allows me to returns a IQueryable. At the View I want to be able to display the Manufacturer.Name for each car. This is not accessible via the object I get returned. What is best way to implement this? Have I encountered a limitation of the Entity Framework/MySQL combination?

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  • Flash Video Gallery using Jquery

    - by Muhammad Sajid
    Hi, my question referenced to my friend. I am trying to use jquery to show flash videos(swf) like a showcase and this is what I am trying to do: Show a video by default and then have "" below that so when an user click on prev or next, it will show the next one and so on. When a video is clicked after making the selection it can either open the video on top of it in a bigger size Or play the video once right there once they click the play button. I have seen examples for images and I tried those but it did not work with flash files. Please let me know if anyone can guide me. I prefer using jquery as there are applications on the site that uses jquery. Also, I just remembered one thing, how to stop the video if they navigate to the next one. This makes me think if its a good idea to do the gallery or showcase for flash videos. Please clarify my questions. thanks

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  • how to align 4 DIV's right of each other within another DIV

    - by Michel
    Hi, i want to position 4 divs next to each other, at a certain position within the parent div. So the div structure is this (i'll call the top most div the maindiv): <div> <div>1</div> <div>2</div> <div>3</div> <div>4</div> </div> now i want to set div with text '1' at the left in the maindiv now i want to set div with text '2' at 50 px from the left side in the maindiv now i want to set div with text '3' at 150 px from the left side in the maindiv now i want to set div with text '4' at 200 px from the left side in the maindiv I think :-) i have tried ALL possible css constructs, but it didn't work, sadly. Anyone an idea?

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  • Java Applet - ArrayIndexOutOfBoundsException

    - by Dan
    OK so I am getting an ArrayIndexOutofBoundsException. I don't know why. Here's my code: http://www.so.pastebin.com/y5MjD1k3 The thing is when I go to the red brick at board[2][2]... I go there. Then I go up... then I TRY go to back down but that error pops up. Also when I go to the right 8 squares... I ALSO get that error. ALSO, pretend my 2d map is split into FOUR squares... well square one is the top left... if I go ANYWHERE else ... I get that error. What am I doing wrong? Thanks.

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  • jQuery changing css on navigation when div # scrolls into view

    - by Jonny Wood
    I'm looking to recreate the effect used on this site: http://www.brizk.com/ The site uses one large page that scrolls down. As you scroll down and pass different sections the menu navigation on the left changes css class to "current" as the corresponding div comes into view. I presume this can be done with jQuery using $(window).height(); I'm fairly new to jQuery and what I want to write is something like this (in laymans terms): Get height of browser window – if div#content1 is 100px from top and/or 200px from bottom change menu a#link1 to '.current' – else remove .current from all menu a links ... and repeat for 4 different content divs. Can anyone point me in the right direction..? Thanks.

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  • tiny mce pop ups blank in smarty

    - by ashishbhatt
    I am using tiny mce with smarty but it shows blank pop ups such as in image,anchor,preview buttons. The code i have used in my tpl file is `{literal} tinyMCE.init({ // General options mode : "textareas", theme : "advanced", plugins : "safari,pagebreak,style,layer,table,save,advhr,advimage,advlink,emotions,iespell,inlinepopups,insertdatetime,preview,media,searchreplace,print,contextmenu,paste,directionality,fullscreen,noneditable,visualchars,nonbreaking,xhtmlxtras,template", // Theme options theme_advanced_buttons1 : "save,newdocument,|,bold,italic,underline,strikethrough,|,justifyleft,justifycenter,justifyright,justifyfull,styleselect,formatselect,fontselect,fontsizeselect", theme_advanced_toolbar_location : "top", theme_advanced_toolbar_align : "left", theme_advanced_statusbar_location : "bottom", theme_advanced_resizing : true, // Example content CSS (should be your site CSS) content_css : "css/content.css", // Drop lists for link/image/media/template dialogs template_external_list_url : "lists/template_list.js", external_link_list_url : "lists/link_list.js", external_image_list_url : "lists/image_list.js", media_external_list_url : "lists/media_list.js", // Replace values for the template plugin template_replace_values : { username : "Some User", staffid : "991234" } }); {/literal}`

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  • php drop down how to control the hide and show

    - by user329394
    Hi all, i want to control the drop down box to control show or hide statement. I do like this but it seems it doesn't work, i have it working if im using radio button. can help me with the code? which part am i wrong? thank you. $dbcnx = mysql_connect('localhost', 'root', ''); mysql_select_db('dbase'); if($_POST['gred'])$gred=$_POST['gred'];else $gred=""; <script language="JavaScript"> function funcHide(elemHide1,elemHide2,elemHide3) { document.getElementById(elemHide1).style.display = 'none'; document.getElementById(elemHide2).style.display = 'none'; document.getElementById(elemHide3).style.display = 'none'; document.getElementById(elemShow).style.visibility = 'visible'; } function funcShow(elemShow1,elemShow2,elemShow3) { document.getElementById(elemShow1).style.display = 'block'; document.getElementById(elemShow2).style.display = 'block'; document.getElementById(elemShow3).style.display = 'block'; document.getElementById(elemShow1).style.visibility = 'visible'; document.getElementById(elemShow2).style.visibility = 'visible'; document.getElementById(elemShow3).style.visibility = 'visible'; } </script> <table> <tr> <td>Gred </td> <td>:</td> <td><select name="gred" id="gred"> <option value="">&nbsp;</option> <option value="A17" <?php if($gred=='A17')echo "selected";?> onClick="funcShow('box1', 'box2', 'box3');">A17</option> <option value="A22" <?php if($gred=='A22')echo "selected";?>>A22</option> <option value="A27" <?php if($gred=='A27')echo "selected";?>>A27</option> </select> </td> </tr> <tr> <td>TK</td> <td>:</td> <td> <select name="tk" id="tk"> <option value="">&nbsp;</option> <option value="01" <?php if($tk=='01')echo "selected";?>>01</option> <option value="02" <?php if($tk=='02')echo "selected";?>>02</option> <option value="03" <?php if($tk=='03')echo "selected";?>>03</option> <option value="04" <?php if($tk=='04')echo "selected";?>>04</option> <option value="05" <?php if($tk=='05')echo "selected";?>>05</option> <option value="06" <?php if($tk=='06')echo "selected";?>>06</option> </select> <?} ?> </td> </tr> <tr> <td colspan="2" valign="top">Status</td> <td valign="top">:</td> <td> <?php $qry = "SELECT * from dtable where userid='".$USER->id."'"; $sql = mysql_query($qry); $row = mysql_num_rows($sql); if($row==0) { ?> <input type=radio name="status" <?php if($status=='retake') {?>checked="checked"<?php } ?> value="retake" onClick="funcShow('box1', 'box2', 'box3');">Retake<br /></tr> <tr> <td colspan='2'> <div id="box1" style="display: none;">Last Date <br> Latest Date<br> </div></td> <td><div id="box2" style="display: none;">: <br> : <br></div></td> <td> <div id="box3" style="display: none;"> <?php $rsu[lastdate] ?> <br> <?php $rsu[latestdate] ?> </div> </td>

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  • C++: Define simple string?

    - by Jason
    This thing is really wracking my mind. I'm learning C++ and I wanted to define a constant that I can use in another function, A short answer on how to do this will be fine.. Lets say at the beginning of my code I want to define this constant: //After #includes bool OS = 1; //1 = linux if (OS) { const ??? = "clear"; } else { const ??? = "cls"; } I don't know what type to use to define the "clear" string... I'm so confused. Later on I want to use it within a function: int foo() { system(::cls); //:: for global return 0; } How would I define the string up top, and use the string down below? I heard char only had one character and things... I'm not sure how to use , since it says it's converting string into const char or something.

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  • Lining up the text in a tool tip, with the text in a combobox

    - by Steve P
    I see a lot of programs where if the text doesn't fit inside the bounds of the control, you can put your mouse over the control and the tooltip text will show you the full unclipped text, and also the tooltip text lines up completly with the text in the control. I'm trying to do that with a combobox in VB 2005 (.net version 2.0). In the tooltip draw event I've tried setting the tooltip location to the location of the AssociatedControl.DisplayRectangle, and the AssociatedControl.ClientRectangle. Each of these seem to put the tooltip text in the top left corner of the combobox, just slightly offset from the text in the combobox. Is there some type of padding I need to account for? or what's going on here?

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  • Why does SQL Server 2000 treat SELECT test.* and SELECT t.est.* the same?

    - by Chris Pebble
    I butter-fingered a query in SQL Server 2000 and added a period in the middle of the table name: SELECT t.est.* FROM test Instead of: SELECT test.* FROM test And the query still executed perfectly. Even SELECT t.e.st.* FROM test executes without issue. I've tried the same query in SQL Server 2008 where the query fails (error: the column prefix does not match with a table name or alias used in the query). For reasons of pure curiosity I have been trying to figure out how SQL Server 2000 handles the table names in a way that would allow the butter-fingered query to run, but I haven't had much luck so far. Any sql gurus know why SQL Server 2000 ran the query without issue? Update: The query appears to work regardless of the interface used (e.g. Enterprise Manager, SSMS, OSQL) and as Jhonny pointed out below it bizarrely even works when you try: SELECT TOP 1000 dbota.ble.* FROM dbo.table

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  • Composite primary keys in N-M relation or not?

    - by BerggreenDK
    Lets say we have 3 tables (actually I have 2 at the moment, but this example might illustrate the thought better): [Person] ID: int, primary key Name: nvarchar(xx) [Group] ID: int, primary key Name: nvarchar(xx) [Role] ID: int, primary key Name: nvarchar(xx) [PersonGroupRole] Person_ID: int, PRIMARY COMPOSITE OR NOT? Group_ID: int, PRIMARY COMPOSITE OR NOT? Role_ID: int, PRIMARY COMPOSITE OR NOT? Should any of the 3 ID's in the relation PersonGroupRole be marked as PRIMARY key or should they all 3 be combined into one composite?? whats the real benefit of doing it or not? I can join anyways as far as I know, so Person JOIN PersonGroupRole JOIN Group gives me which persons are in which Groups etc. I will be using LINQ/C#/.NET on top of SQL-express and SQL-server, so if there is any reasons regarding language/SQL that might make the choice more clear, thats the platform I ask about. Looking forward to see what answers pops up, as I have thought of these primary keys/indexes many times when making combined ones.

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  • First iPhone App View Position Problem

    - by hytparadisee
    I am closely following the instructions given in the tutorial "Your First iPhone Application" on apple ADC. In the interface builder, I have set up a button positioned on the top according to the Apple Interface Guidelines. It runs without trouble if I simulate the interface in IB. However, if I run the built app, I get what is shown here. If you look at the view clearly, you will see that the entire view has been shifted up. And the magnitude of the shift is exactly the height of the status bar. And that's why the there is blank space at the bottom of the window, which was white instead of red. I have tried turning on the "Simulated Interface Elements", but that doesn't work either. The problem persists on real devices as well. However, using the "Simulate Interface" from IB looks fine. Any help is appreciated. Yun Tao

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  • Delay the display of image loaded using jquery + ajax

    - by niczoom
    I am using the following code : $.ajax({ url: "pgiproxy.php", data: ({ data : $("#formdata").serialize(), mode : "graph"}), success: function(result){ var temp = $('<div/>').html(result); var val = temp.find('center').html(); $('#BFX').html(val); }, error: function(){ $("#error").html("ERROR !!!"); } }); The 'result' from the ajax call to 'pgiproxy.php' is a whole web page (returned as a string), this is then converted to a jQuery object and stored in 'var'. I then extract the data I need (a .gif image) using .find() which is stored in 'val'. This image is then inserted into a #BFX div for display. My problem is every successive time I click my button to update this image it shows the image loading from top to bottom as it is reading it in from the web. Is there a way to only display this image once it has fully loaded so the user doesnt see the image loading and only sees the image change instantly.

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  • Using Components.utils.import in a firefox extension

    - by jamesatha
    I am trying to create some global variables in a firefox extension. In my content folder, I have two javascript files: 1) Main JS file that holds the functions for the different events, etc 2) A file that stores only an object with the pieces of state I want to maintain. Also, I set the array EXPORTED_SYMBOLS. I am having issues with the following line found in my main JS file: Components.utils.import("resource:///globalVariables.js"); When it is at the top of the file, nothing seems to work. If I move it into the function where I need the variable, the rest of my code works, but the function with this line does nothing. Any advice that would help me with this problem would be great. Thanks

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