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  • Straight Line Equation between two points

    - by dafero
    Hi, I need to paint the line witch links two points. I developed my own solution using the straight line equation, but my results are different than using the "professional" programs (such as GIMP or even MS Paint). Here is a example of what I want: But my algorithm does this: *The green point is out of the figure and this is not possible. Any ideas? Anyone know which code is been using for this, in "professional" apps? Thanks! Daniel.

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  • How to build OpenSSL in release mode with symbols?

    - by twk
    I generally build my openssl libs by doing this: perl Configure VC-WIN32 ms\do_masm nmake -f ms\ntdll.mak nmake -f ms\ntdll.mak test For debugging minidumps, I'd like to get a pdb file for the 2 dlls (while still building them in "release" mode). I've added /Zi to the CFLAGS part of ms\ntdll.mak, but I still get "Binary was not built with debug information" when I look at the in-memory modules in the visual studio debugger. Am I missing a step? Thanks

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  • How do I configure OpenVPN for accessing the internet with one NIC?

    - by Lekensteyn
    I've been trying to get OpenVPN to work for three days. After reading many questions, the HOWTO, the FAQ and even parts of a guide to Linux networking, I cannot get my an Internet connection to the Internet. I'm trying to set up a OpenVPN server on a VPS, which will be used for: secure access to the Internet bypassing port restrictions (directadmin/2222 for example) an IPv6 connection (my client does only have IPv4 connectivity, while the VPS has both IPv4 and native IPv6 connectivity) (if possible) I can connect to my server and access the machine (HTTP), but Internet connectivity fails completely. I'm using ping 8.8.8.8 for testing whether my connection works or not. Using tcpdump and iptables -t nat -A POSTROUTING -j LOG, I can confirm that the packets reach my server. If I ping to 8.8.8.8 on the VPS, I get an echo-reply from 8.8.8.8 as expected. When pinging from the client, I do not get an echo-reply. The VPS has only one NIC: etho. It runs on Xen. Summary: I want to have a secure connection between my laptop and the Internet using OpenVPN. If that works, I want to have IPv6 connectivity as well. Network setup and software: Home laptop (eth0: 192.168.2.10) (tap0: 10.8.0.2) | | (running Kubuntu 10.10; OpenVPN 2.1.0-3ubuntu1) | wifi | router/gateway (gateway 192.168.2.1) | INTERNET | VPS (eth0:1.2.3.4) (gateway, tap0: 10.8.0.1) (running Debian 6; OpenVPN 2.1.3-2) wifi and my home router should not cause problems since all traffic goes encrypted over UDP port 1194. I've turned IP forwarding on: # echo 1 > /proc/sys/net/ipv4/ip_forward iptables has been configured to allow forwarding traffic as well: iptables -F FORWARD iptables -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT iptables -A FORWARD -s 10.8.0.0/24 -j ACCEPT iptables -A FORWARD -j DROP I've tried each of these rules separately without luck (flushing the chains before executing): iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j SNAT --to 1.2.3.4 iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE route -n before (server): 1.2.3.4 0.0.0.0 255.255.255.0 U 0 0 0 eth0 0.0.0.0 1.2.3.4 0.0.0.0 UG 0 0 0 eth0 route -n after (server): 1.2.3.4 0.0.0.0 255.255.255.0 U 0 0 0 eth0 10.8.0.0 0.0.0.0 255.255.255.0 U 0 0 0 tap0 0.0.0.0 1.2.3.4 0.0.0.0 UG 0 0 0 eth0 route -n before (client): 192.168.2.0 0.0.0.0 255.255.255.0 U 2 0 0 wlan0 169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 wlan0 0.0.0.0 192.168.2.1 0.0.0.0 UG 0 0 0 wlan0 route -n after (client): 1.2.3.4 192.168.2.1 255.255.255.255 UGH 0 0 0 wlan0 10.8.0.0 0.0.0.0 255.255.255.0 U 0 0 0 tap0 192.168.2.0 0.0.0.0 255.255.255.0 U 2 0 0 wlan0 169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 wlan0 0.0.0.0 10.8.0.1 128.0.0.0 UG 0 0 0 tap0 128.0.0.0 10.8.0.1 128.0.0.0 UG 0 0 0 tap0 0.0.0.0 192.168.2.1 0.0.0.0 UG 0 0 0 wlan0 SERVER config proto udp dev tap ca ca.crt cert server.crt key server.key dh dh1024.pem server 10.8.0.0 255.255.255.0 push "redirect-gateway def1" ifconfig-pool-persist ipp.txt keepalive 10 120 tls-auth ta.key 0 comp-lzo user nobody group nobody persist-key persist-tun log-append openvpn-log verb 3 mute 10 CLIENT config dev tap proto udp remote 1.2.3.4 1194 resolv-retry infinite nobind persist-key persist-tun ca ca.crt cert client.crt key client.key ns-cert-type server tls-auth ta.key 1 comp-lzo verb 3 mute 20 traceroute 8.8.8.8 works as expected (similar output without OpenVPN activated): 1 10.8.0.1 (10.8.0.1) 24.276 ms 26.891 ms 29.454 ms 2 gw03.sbp.directvps.nl (178.21.112.1) 31.161 ms 31.890 ms 34.458 ms 3 ge0-v0652.cr0.nik-ams.nl.as8312.net (195.210.57.105) 35.353 ms 36.874 ms 38.403 ms 4 ge0-v3900.cr0.nik-ams.nl.as8312.net (195.210.57.53) 41.311 ms 41.561 ms 43.006 ms 5 * * * 6 209.85.248.88 (209.85.248.88) 147.061 ms 36.931 ms 28.063 ms 7 216.239.49.36 (216.239.49.36) 31.109 ms 33.292 ms 216.239.49.28 (216.239.49.28) 64.723 ms 8 209.85.255.130 (209.85.255.130) 49.350 ms 209.85.255.126 (209.85.255.126) 49.619 ms 209.85.255.122 (209.85.255.122) 52.416 ms 9 google-public-dns-a.google.com (8.8.8.8) 41.266 ms 44.054 ms 44.730 ms If you have any suggestions, please comment or answer. Thanks in advance.

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  • private address in traceroute results

    - by misteryes
    I use traceroute to check paths on a remote host, and I notice that there are some private IPs, like 10.230.10.1 bash-4.0# traceroute -T 132.227.62.122 traceroute to 132.227.62.122 (132.227.62.122), 30 hops max, 60 byte packets 1 194.199.68.161 (194.199.68.161) 1.103 ms 1.107 ms 1.097 ms 2 sw-ptu.univ.run (10.230.10.1) 1.535 ms 1.625 ms 2.172 ms 3 sw-univ-gazelle.univ.run (10.10.20.1) 6.891 ms 6.937 ms 6.927 ms 4 10.10.5.6 (10.10.5.6) 1.544 ms 1.517 ms 1.518 ms why there are private addresses near the host? what are the purposes that these private addresses are used? I mean why they want to put the public IP behind private IPs? thanks!

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  • MS ACCESS: How can i count distinct value using access query?

    - by Sadat
    here is the current complex query given below. SELECT DISTINCT Evaluation.ETCode, Training.TTitle, Training.Tcomponent, Training.TImpliment_Partner, Training.TVenue, Training.TStartDate, Training.TEndDate, Evaluation.EDate, Answer.QCode, Answer.Answer, Count(Answer.Answer) AS [Count], Questions.SL, Questions.Question FROM ((Evaluation INNER JOIN Training ON Evaluation.ETCode=Training.TCode) INNER JOIN Answer ON Evaluation.ECode=Answer.ECode) INNER JOIN Questions ON Answer.QCode=Questions.QCode GROUP BY Evaluation.ETCode, Answer.QCode, Training.TTitle, Training.Tcomponent, Training.TImpliment_Partner, Training.Tvenue, Answer.Answer, Questions.Question, Training.TStartDate, Training.TEndDate, Evaluation.EDate, Questions.SL ORDER BY Answer.QCode, Answer.Answer; There is an another column Training.TCode. I need to count distinct Training.TCode, can anybody help me? If you need more information please let me know

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  • VBA: How go I get the total width from all controls in an MS-Access form?

    - by Stefan Åstrand
    Hi, This is probably very basic stuff, but please bear in mind I am completely new to these things. I am working on a procedure for my Access datasheet forms that will: Adjust the width of each column to fit content Sum the total width of all columns and subtract it from the size of the window's width Adjust the width of one of the columns to fit the remaining space This is the code that adjusts the width of each column to fit content (which works fine): Dim Ctrl As Control Dim Path As String Dim ClmWidth As Integer 'Adjust column width to fit content For Each Ctrl In Me.Controls If TypeOf Ctrl Is TextBox Then Path = Ctrl.Name Me(Path).ColumnWidth = -2 End If Next Ctrl How should I write the code so I get the total width of all columns? Thanks a lot! Stefan Solution This is the code that makes an Access datasheet go from this: To this: Sub AdjustColumnWidth(frm As Form, clm As String) On Error GoTo HandleError Dim intWindowWidth As Integer ' Window width property Dim ctrl As Control ' Control Dim intCtrlWidth As Integer ' Control width property Dim intCtrlSum As Integer ' Control width property sum Dim intCtrlAdj As Integer ' Control width property remaining after substracted intCtrSum 'Adjust column width to standard width For Each ctrl In frm.Controls If TypeOf ctrl Is TextBox Or TypeOf ctrl Is CheckBox Or TypeOf ctrl Is ComboBox Then Path = ctrl.Name frm(Path).ColumnWidth = 1500 End If Next ctrl 'Get total column width For Each ctrl In frm.Controls If TypeOf ctrl Is TextBox Or TypeOf ctrl Is CheckBox Or TypeOf ctrl Is ComboBox Then Path = ctrl.Name intCtrlWidth = frm(Path).ColumnWidth If Path <> clm Then intCtrlSum = intCtrlSum + intCtrlWidth End If End If Next ctrl 'Adjust column to fit window intWindowWidth = frm.WindowWidth - 270 intCtrlAdj = intWindowWidth - intCtrlSum frm.Width = intWindowWidth frm(clm).ColumnWidth = intCtrlAdj Debug.Print "Totalt (Ctrl): " & intCtrlSum Debug.Print "Totalt (Window): " & intWindowWidth Debug.Print "Totalt (Remaining): " & intCtrlAdj Debug.Print "clm : " & clm HandleError: GeneralErrorHandler Err.Number, Err.Description Exit Sub End Sub Code to call procedure: Private Sub Form_Load() Call AdjustColumnWidth(Me, "txtDescription") End Sub

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  • testdisk - recover partition table

    - by Evaggelos Balaskas
    I destroyed my partition table of my laptop. Testdisk reports the below Disk laptop.img - 250 GB / 232 GiB - CHS 30402 255 63 (RO) Partition Start End Size in sectors >P MS Data 435868 456606 20739 [NO NAME] P MS Data 19232600 19235479 2880 [NO NAME] D MS Data 41945087 83890143 41945057 D MS Data 57151486 168579069 111427584 D MS Data 67637246 141037565 73400320 D MS Data 151523326 193466365 41943040 D MS Data 170617328 170618223 896 D MS Data 170631168 170634047 2880 D MS Data 171338232 171344405 6174 [Boot] D MS Data 172008235 172231918 223684 [NO NAME] P MS Data 193466368 214437887 20971520 D MS Data 217321375 225321678 8000304 [root] D MS Data 224923646 308809725 83886080 [media] D MS Data 308809728 420237311 111427584 D MS Data 418910206 481824765 62914560 [vmimages] my partition table had 3 Primary Partitions. 1. WinXP Home 2. /boot 3. LVM inside LVM i had 9 or 10 LVM partitions One of them was my home (encrypted with luks) testdisk cant recover my partition table or any other partition. Partitions with [P] doesnt have any useful data. I want to use dd to extract the partitions and try to recover as many files i can. Any ideas of how i can extract eg. the [root] lvm partition from the above testdisk report ? I am afraid that my disk was also corrupted.

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  • How to calculate the sum of a column in an MS Access table for a given date (a single day, month or year)

    - by cMinor
    I have a table in Access in a custom format saved as dd/MM/yyyy hh:mm:ss tt , Also A form in VB.NET 2010, I get a specific day, month and year with no problem but the problem comes when I want to query the sum of a column named value depending on a specific month or day or year.... The table is like: +-----+-----------+-------------------------+ | id | value | date | +-----+-----------+-------------------------+ | id1 | 1499 | 01/01/2012 07:30:11 p.m.| | id2 | 1509 | 11/02/2012 07:30:11 p.m.| | id3 | 1611 | 21/10/2012 07:30:11 p.m.| | id1 | 1115 | 11/10/2012 07:30:11 p.m.| | id1 | 1499 | 17/05/2012 07:30:11 p.m.| | id2 | 1709 | 11/06/2012 07:30:11 p.m.| | id3 | 1911 | 30/07/2012 07:30:11 p.m.| | id1 | 1015 | 01/08/2012 07:30:11 p.m.| | id1 | 1000 | 11/05/2012 07:30:11 p.m.| |+-----+-----------+------------------------+ So I Know the query SELECT SUM(value) FROM mytable WHERE date in='01/05/2012 00:00:00' ... How to tell the query I want the month of May so I would get 1499+1000= 2499 Or how to tell I want the year 2012 so I would get the sum of all the table Which would be the correct syntax...

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  • Why am I getting "Enter Parameter Value" when running my MS Access query?

    - by DanM
    In my query, I use the IIF function to assign either "Before" or "After" to a field named BeforeOrAfter using AS. When I run this query, however, the "Enter Parameter Value" dialog appears, requesting a value for BeforeOrAfter. If I remove BeforeOrAfter DESC from the ORDER BY clause, I don't get the dialog. Here is the offending query: SELECT d.Scenario, e.Event, IIF(d.LogTime < e.Time, 'Before','After') AS BeforeOrAfter, d.HeartRate FROM Data d INNER JOIN Events e ON d.Scenario = e.Scenario WHERE e.Include = Yes ORDER BY d.Scenario, e.Id, BeforeOrAfter DESC Question: Why is my AS BeforeOrAfter not being recognized by the ORDER BY clause? Why does it ask me to enter a parameter value for "BeforeOrAfter" when I run this query? Note: I tried using brackets, single quotes, double quotes, etc., but none of that made any difference.

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  • How to programmatically change a data cell of Ms Access using VB.Net?

    - by manuel
    I have a Microsoft Access database file connected to VB.NET. In the database table, I have a 'No.' and a 'Status' column. Then I have a textbox where I can input an integer. I also have a button, which will change the data cell in 'Status' where 'No.' = textbox.Text(), when I click it. Let's say I want the 'Status' cell to be changed to "Low". What codes should I put in the button_Click event handler? Here is the codes I used to retrieve and display the database table. Public Class theForm Dim con As New OleDb.OleDbConnection Dim ds As New DataSet Dim daTitles As OleDb.OleDbDataAdapter Private Sub theForm_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load con.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0; Data Source=|DataDirectory|\db1.mdb" con.Open() daTitles = New OleDb.OleDbDataAdapter("SELECT * FROM Titles", con) daTitles.Fill(ds, "Titles") DataGridView1.DataSource = ds.Tables("Titles") DataGridView1.AutoResizeColumns() End Sub

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  • wanting to move up from ms access, thinking .net? visual studio?

    - by Tristan Lear
    So I wrote a project-management program for a small business using Microsoft Access 2007. Now they've requested lots of additional features (timekeeping, privileged data tiers ...) I personally use Linux, but the whole office uses Windows. I'm relatively new to programming but like to teach myself using projects like this. I'm right on the edge on this -- I can't really tell what the path of least resistance here is: do I stay in access + VBA and teach myself a dying, annoying language -- while struggling against all the limitations of Access? Or do I move to something else? Python seems simple enough ... Whatever I use, i need to be able to offer a GUI.

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  • MS Access Mark Duplicates in order of appearance - using the function RankOfDup: (SELECT Count(*) ...)

    - by veska stoyanova
    I'm trying to create Ranking that shows the sequence of agreements for the two fields Customers and Agreements. The number for agreements must be unique, whereas customers can repeat. The formula RankOfDup: (SELECT Count(*) FROM Data a WHERE a.customer=Data.customer And a.agreement >= Data.agreement) Works beautifully but after this query with columns Agreement, Customer and RankofDup, I need to create crosstab that transposes the RankofDub. It works when I make the table first and then create query but my data is too large so I'm trying to put the select query with the ranking in a crosstab query. However, when I try to do this Access gives error message that microsoft jet ... doesn't recognise Data.customer? Any ideas how I can fix this?

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  • In MS Access form, how to color background of selected record?

    - by PowerUser
    I have a somewhat complicated looking Access Form with a continuous display (meaning multiple records are shown at once). I'd like to change the background color of the selected record only so the end-user can easily tell which record they are on. I'm thinking of perhaps a conditional format or maybe something like this: Private Sub Detail_HasFocus() Detail.BackColor(me.color)=vbBlue End Sub and something similar for when that row loses focus. This code snippet obviously won't work, but it's the kind of code I'd like to achieve.

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  • After MS Access Conversion 97 --> 2002 I get 'Enter Parameter Value' when exitting a form.

    - by user270370
    Hi, So when I exit a form from my newly converted .mdb it asks to Enter Parameter Value. It goes through (ie if i enter a value, it asks for another) the values required for a query that is run on a List Box on the page. The query has not been changed during the conversion. The values it is getting for the query are from text boxes on the same form. There are a few Requeries in the form (run from VB) so I imagine that it is rerunning again on Exit (although this isnt explicit in the form properties). I'm not quite sure how to go about solving this. Your help would be great. Thanks

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  • What database is a good progression from MS Access for Coldfusion?

    - by Saul
    All my (home) CF learning has so far been done using Access as a database, and as far as the DB goes I "get it". There's no database server, and no need to log on to the database or anything, and setting up table relationships is easy and visual. Oh and its essentially free to deploy. However, I'm now working on an application that's likely to be used across several businesses and probably up to 50 concurrent users. I've heard that Access really isn't up to multi user use or production use on an app. What would you recommend as more suitable, preferably easy to grasp, with minimal tweeking needed for my SQL (I used a tool to convert to MySQL and it certainly handles concatenation differently, I dont want to have to do too much debugging), visual interface available, scalable, backupable, and whatever else I need that I don't yet know I need!

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  • MS Access ADODB.recordset character limit is 2036!? Can this be increased?

    - by souper-dragon
    In the following AccessVBA code, I am trying to write a record to a memo field called "Recipient_Display": oRec1.Fields("RECIPIENT_DISPLAY") = Left(sRecipientDisplayNames, Len(sRecipientDisplayNames) - 2) When the string contains 2036 characters, the write completes. Above this number I get the following error: Run-time error'-2147217887(80040e21)': Could not update; currently locked by another session on this machine. What is the significance of this number 2036 and is there a property I can adjust that will allow the above update to take place?

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  • MS Access - Keeping track (transacation) of all activity while form is open...

    - by Ron Mac
    Hi and thanks for reading. I am not a database/vba guy and my experience is strictly in the JAVA world. However, I need to have an ACCESS form open. While it is open and new data is entered into it (via the underlying query OR any other data changes in other tables based on sql updates attached to buttons on this form), is there a way that I can initiate a transaction so that at the bottom of the form I could have a button that says "Exit and committ changes" or "Cancel and Rollback changes". I guess I thought of a situation where I could do something like: On Form OPEN, START TRANSACTION On "CLICK OK", COMMIT TRANSACTION or ON "CLICK CANCEL" ROLLBACK. I'm aware how to do the Workspace.BeginTransaction but I'm not sure if that will apply if I do it on FORM OPEN and then on FORM CLOSE do the COMMIT/ROLLBACK locgin? Any insight would be great.

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  • VC++ 6 and MS Speech SDK 5.1 fatal error C1083: Cannot open source file: 'files\microsoft': No such

    - by eg123
    Trying to compile an application (flite synthesis sapi) on vc++6. This requires Microsoft Speech SDK 5.1 Have included C:\Program Files\Microsoft Speech SDK 5.1\IDL C:\Program Files\Microsoft Speech SDK 5.1\include using Toolsoptionsdirectories and also on another attempt via ProjectSettings Repeatedly get this error microsoft fatal error C1083: Cannot open source file: 'files\microsoft': No such file or directory speech fatal error C1083: Cannot open source file: 'speech': No such file or directory sdk fatal error C1083: Cannot open source file: 'sdk': No such file or directory idl fatal error C1083: Cannot open source file: '5.1\idl': No such file or directory FliteCMUKalDiphone.idl Thought it may be spaces related so included full path in quotes in relevant .h files. No joy Installed Microsoft Speech SDK 5.1 on another machine in same folder as flite and renamed to mssdk51 (so no spaces in pathname) but same error came up. Tried pasting in contents of each .idl called in file where glitch seems to generate Still same message. I am new to C++ and programming in general. My only guess is that something in the speech sdk is calling the .idl file and I can't find where from. Of course this is probably way wrong!

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  • MS Access "#Name?" in unbound field on SOME machines

    - by alkorya
    I have a datasheet form bound to table. I added 2 unbound fields and set their Control Source properties to user defined VBA functions: 1. ConcatRelated (http://allenbrowne.com/func-concat.html) 2. Custom function that returns a string: Public Function GetLowestSatatus(LookupField As String, JSAID As Integer) As String On Error Resume Next GetLowestSatatus = DLookup(LookupField, "JsaStatuses", "ID=" & DMin("StatusID", "Tasks", "JSAID =" & JSAID)) End Function It works fine on my and some other machines but there are machines I got "#Name?" in these 2 unbound fields. All machines configured identically. Any ideas? Thank you!

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