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  • Passing a Structure containing an array of String and an array of Integer into a C++ DLL

    - by DanJunior
    I'm having problems with marshaling in VB.NET to C++, here's the code : In the C++ DLL : struct APP_PARAM { int numData; LPCSTR *text; int *values; }; int App::StartApp(APP_PARAM params) { for (int i = 0; i < numLines; i++) { OutputDebugString(params.text[i]); } } In VB.NET : <StructLayoutAttribute(LayoutKind.Sequential)> _ Public Structure APP_PARAM Public numData As Integer Public text As System.IntPtr Public values As System.IntPtr End Structure Declare Function StartApp Lib "AppSupport.dll" (ByVal params As APP_PARAM) As Integer Sub Main() Dim params As APP_PARAM params.numData = 3 Dim text As String() = {"A", "B", "C"} Dim textHandle As GCHandle = GCHandle.Alloc(text) params.text = GCHandle.ToIntPtr(textHandle) Dim values As Integer() = {10, 20, 30} Dim valuesHandle As GCHandle = GCHandle.Alloc(values) params.values = GCHandle.ToIntPtr(heightHandle) StartApp(params) textHandle.Free() valuesHandle.Free() End Sub I checked the C++ side, the output from the OutputDebugString is garbage, the text array contains random characters. What is the correct way to do this?

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  • How can I get the text color of a button using the Substance LaF?

    - by DR
    In my Java application I have to custom-paint a control and for that I need to use the same font colors as JButton. (Enabled an disabled) I don't want to to hard-code them, because the user can change the Substance skin at runtime. I'm aware of the ColorSchemes but I'm not sure how to proceed once I have the color scheme of the current skin. Also the Substance documentation says something about creating your own color scheme, but I just can't figure out the way to retrieve a certain color.

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  • How to remove a text from a variable? (php)

    - by Glister
    I have a variable $link_item, it's used with echo and gives the strings like <span class="name">Google</span>http://google.com How to remove "<span class="name">Google</span>" from string? It should give just "http://google.com". Heard it can be done with regex(), please help.

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  • Python: why does str() on some text from a UTF-8 file give a UnicodeDecodeError?

    - by AP257
    I'm processing a UTF-8 file in Python, and have used simplejson to load it into a dictionary. However, I'm getting a UnicodeDecodeError when I try to turn one of the dictionary values into a string: f = open('my_json.json', 'r') master_dictionary = json.load(f) #some json wrangling, then it fails on this line... mysql_string += " ('" + str(v_dict['code']) Traceback (most recent call last): File "my_file.py", line 25, in <module> str(v_dict['code']) + "'), " UnicodeEncodeError: 'ascii' codec can't encode character u'\xf4' in position 35: ordinal not in range(128) Why is Python even using ASCII? I thought it used UTF-8 by default, and this is a UTF-8 file. What is the problem?

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  • why is this dictionary line number count not working?

    - by jad
    i have this piece of code the last bit of the code starting from d = {} im trying to print the words with its line number located in the text but it is not working its only printing the words anyone know why ??? need help ASAP import sys import string text = [] infile = open(sys.argv[1], 'r').read() for punct in string.punctuation: infile = infile.replace(punct, "") text = infile.split() dict = open(sys.argv[2], 'r').read() dictset = [] dictset = dict.split() words = [] words = list(set(text) - set(dictset)) words = [text.lower() for text in words] words.sort() d = {} counter = 0 for lines in text: counter += 1 if word not in d: d[words] = [counter] else: d[words.append[counter] print(word, d)

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  • public DialogResult ShowDialog() help!

    - by Luke
    I have two forms. The first form is the mainForm, this never goes anywhere. On opening the second form (saveForm), it will display over the top. When i close this form, I want a certain piece of code in the mainForm to run. I assume this is the correct way to get this to happen? The code on saveForm when I close and return to the mainForm: private void btnSaveDetails_Click(object sender, EventArgs e) { Delivery d = new Delivery(txtNameBox.Text, txtAddressBox.Text, txtDayBox.Text, txtTimeBox.Text, txtMealBox.Text, txtInstructionsBox.Text, txtStatusBox.Text); mainForm.myDeliveries.Add(d); this.Close(); } Any ideas?

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  • how do i update database using ADODB.Recordset?

    - by every_answer_gets_a_point
    i am using excel to connect to a mysql database: Dim dpath, atime, rtime, lcalib, aname, rname, bstate, instrument As String Dim rs As ADODB.Recordset Set rs = New ADODB.Recordset ConnectDB With wsBooks rs.Open "batchinfo", oConn, adOpenKeyset, adLockOptimistic, adCmdTable Worksheets.Item("Report 1").Select dpath = Trim(Range("B2").Text) atime = Trim(Range("B3").Text) rtime = Trim(Range("B4").Text) lcalib = Trim(Range("B5").Text) aname = Trim(Range("B6").Text) rname = Trim(Range("B7").Text) bstate = Trim(Range("B8").Text) ' instrument = GetInstrFromXML(wbBook.FullName) With rs .AddNew ' create a new record ' add values to each field in the record .Fields("datapath") = dpath .Fields("analysistime") = atime .Fields("reporttime") = rtime .Fields("lastcalib") = lcalib .Fields("analystname") = aname .Fields("reportname") = rname .Fields("batchstate") = "bstate" .Fields("instrument") = "NA" .Update ' stores the new record End With what is the next step? how do i do an rs.execute?

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  • How to make selection color be "on top" when background color for any text element is set in Visual

    - by Confused Developer
    Faced problem while setting background color for any element in Visual Studio 2010 editor. Selection color doesn't override this background color. So then it's very inconvenient to work with selections in editor. Case when only string literal is selected it's almost impossible to distinguish colors and see what part of string is selected. Is there any possibility to fix the problem by changing some options? Or it's a Visual Studio bug?

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  • How to get all <img> tags inside a text selection?

    - by CyberShadow
    I've looked around for a while, but there doesn't seem to be a simple way to do this. jQuery doesn't help the in least, it seems to entirely lack any support for selection or DOM ranges. Something which I hoped would be as simple as $.selection.filter('img') seems to only be doable with dozens of lines of code dealing with manually enumerating elements in ranges and browser implementation inconsistencies (though ierange helps here). Any other shortcuts?

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  • How to bind the arguments in NSString in iphone?

    - by Prash.......
    Hi, i developing an application in which i want to bind my own parameter with an URL for http post request. But i findout the serious problem during the string binding, The code snippet as follows: NSString *mainURL1 = @"http://xxx.xxx.xx.xx/webservice/Service.asmx?op=UserDetailsNew?"; NSString *mainURL2 = [mainURL1 stringByAppendingString:@"MobileNo=%@",txtMobile.text]; NSString *mainURL3 = [mainURL2 stringByAppendingString:@"&Country=%@",txtCountry.text]; NSString *mainURL4 = [mainURL3 stringByAppendingString:@"&UserName=%@",txtName.text]; NSString *mainURL5 = [mainURL4 stringByAppendingString:@"&ScreenName=%@",txtScreenname.text]; NSString *mainURL6 = [mainURL5 stringByAppendingString:@"&EmailId=%@",txtemailid.text]; NSString *mainURL7 = [mainURL6 stringByAppendingString:@"&Password=%@",txtpassword.text]; NSString *mainURL8 = [mainURL7 stringByAppendingString:@"&RetypePassword=%@",txtretypepassword.text]; NSString *mainURL9 = [mainURL8 stringByAppendingString:@"%20HTTP/1.1"]; on binding the runtime arguments it ginev me too many parameter appending in NSString function. how i solve above problem?

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  • If file contains certain text, how can I extract a string from the file and input it into a cell? (VBA)

    - by Kristina Kotonika
    Say I have the following path and file name: P:\Actuary\Cash Flow Forecast\Annual and Quarterly Budget Data\ECMQA 2012Q1.xls I want to write an if then statement that does the following (not sure if my statement is set up properly): If InStr(1, "P:\Actuary\Cash Flow Forecast\Annual and Quarterly Budget Data\ECMQA 2012Q1.xls", "QA", vbTextCompare) > 0 Then BD.Sheets("Sheet1").Range("C2").value = "2012Q1" End If Instead of just inputting "2012Q1", I want it to automatically read this from the file. The thing is I am actually looping through 12 or so files and there's two types, "ECMQA 2012Q1.xls" (or ECMQB 2012Q2.xls and so on) AND "ECM Annual Budget 2012.xlsx" If my file is the annual one (If file contains "Annual"), then I want: BD.Sheets("Sheet1").Range("C2").value = "2012" And i want it to read this from the actual file, same as the other one...not me putting in "2012" Is there a way to do this? Any help will be appreciated!

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  • Text-based one-on-one chat with Flash interface: what to power the backend?

    - by Zachary Burt
    Hey guys. I'm building a website where I hook people up so that they can anonymously vent to strangers. You either choose to be a listener, or a talker, and then you get catapulted into a one-on-one chat room. The reason for the app's construction is because you often can't vent to friends, because your deepest vulnerabilities can often be leveraged against you later on. (Like it or not, this is a part of human nature. Sad.) I'm looking for some insight into how I should architect everything. I found this neat tutorial, http://giantflyingsaucer.com/blog/?p=875, which suggests using python & stackless + flash. Someone else suggested I should try using p2p sockets, but I don't even know where to begin to look for info on that. Any other suggestions? I'd like to keep it simple. :^)

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  • python imaging library draw text new line how to?

    - by joven
    i have a word that will be putted on a image but the problem is that the word continues even though the word exceeds the width of the image is there anyway that the word shift's down if the word exceeds the width of the image or on a certain point the word shift's down if it exceeds the given point

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  • How to retrieve the currently searched for text in vim?

    - by Paul Wicks
    For example, I have some code and I use "*" to search for something within that code. Not finding what I want in that file, I'd like to use something like ack or grep to search for it within the local directory. I know I can do :! ack whatever to do the search from within vim, but what I'd like to know is is there a way to replace whatever with the currently searched for word within vim.

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