ASP.NET Reading A Signed_request (only Given In Docs As PHP)?
Dec 30, 2010
just trying to decode my signed request.. I've done a bit of searching and haven't found a VB alternative..The signed_request parameter is a concatenation of a HMAC SHA-256 signature string, a period (.) and a base64url encoded JSON object.
signed_request:vlXgu64BQGFSQrY0ZcJBZASMvYvTHu9GQ0YM9rjPSso
eyJhbGdvcml0aG0iOiJITUFDLVNIQTI1NiIsIjAiOiJwYXlsb2FkIn0
PHP function to decode request:
<?php
define('FACEBOOK_APP_ID', 'your_app_id');
define('FACEBOOK_SECRET', 'your_app_secret');
[Code]...
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Jun 14, 2010
I want to be able to code a small system that reads a set directory, for new PDF or Word DOC file types.
Then i want to print them.
I understand, with reference to this thread, - [URL]
and this one - [URL]
that i can use MS Word automation to print the document, but i would like the application to read the folder constantly in real time and then print what ever is 'new' in the folder.
Would there be any advantage to code my own print driver?
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Aug 2, 2011
I've got a a simple database setup with a parent child relationship.Imagine one expense report can have many line items associated with it.Now inside of this line items table I have a column that stores the link / pathof an attachment on our local storage server. Some example values could be:
\myserverattachments1.pdf
\myserverattachments2.jpg
\myserverattachmentssomeDoc.docx
[code].....
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Nov 14, 2009
I have several docs in a folder in iPads dir (Help Files). When the user selects help it shows a dialog which has a listbox, richtextbox, and three buttons ( open, close, update < to launch the updater)
When the form loads its supposed to add all the files in the dir. It does but the full path and name. This is the code I have>>>If System.IO.Directory.Exists(Application.StartupPath & "Help Files") = True Then
[Code]...
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Sep 27, 2011
I have a folder that contains multiple word documents. I need to monitor this folder for any changes in these word documents. I am facing the following problems.
File system watcher never reports the exact name of file being changed. For example for file abc.doc, it reports "~$abc.doc is changed" on first save.For all subsequent saves to that file, OnChanged event in the following code is not called. When I changed the filter to watcher.Filter = ".", I found that for subsequent saves, it reports "~WRL0001.tmp is changed".
So the bottom line is that I never know the exact name of the file changed.[code]...
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Sep 11, 2009
I've been searching the web in general (and this forum specifically) for information on setting up Help documentation on a project - but the 'help' in the search just seems to give too much.I've never set up help documentation and was wondering if there is a good primer anywhere on the web or in a book - I've looked through VB books and none cover this topic also the I've so far been unable to absorb the official MS docs.
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Jan 27, 2010
I'm reading a text doc from my hard drive. I'm reading it via a stream reader.
On a button click i'm reading it again, because the contence of the text doc may have been updated, what I want to do is show in one textbox the actual file and in another one just what is new. How can I compare them?
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Apr 30, 2009
Is it possible to build a search engine to use on a DVD that contains Word documents, text documents, etc.? Say I wanted to find all documents with the name "James" in them. In the search box I would type "James", and it would return the results of everywhere James is found. Or suppose I wanted to find all Land Deeds where James is found, is that possible? All search engine examples that I have seen on VB Help has to do with databases, and I guess to an extent, my DVD would be the database.
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Jan 18, 2011
I need help in coding VB 2008 so that it can combine several word document into one to be used for a mail merge template.I need to:
1) combine the word doc (does not work see note 1)
2) use this new doc a for the mail merge (works, only for the rewrite doc)
3) create a pdf. (works, only for the rewrite doc)[code]
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Dec 17, 2009
I know there is a lot of forums out there regarding this, but I haven't been able to find what I need and I am somewhat new to this. I would like the simple openfiledialog code button click to attach a word document or PDF and upload it to a SQL server table to be saved. I would like to use my current datasets and controls without creating another SQL query within my project as I have seen in other forums, unless that is the only method. I know that the data needs to be saved as an image type with the file name and extension but I just need the code for this. I would then like to download the doc or pdf to view it within a form.
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Nov 2, 2009
This is the MSDN example for handling the BeginReceive callback.BeginReceive is called over and over until no more data is available, i.e. EndReceive returns 0. However I am finding that the callback is only fired when there is data available.
I'm guessing that the example is simply wrong or refers to expected behaviour in a previous version of .NET, although it says it is for 3.5.So how do I ensure I have received all of the available data?
[Code]...
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Dec 11, 2009
I'm starting a new project; trying to be more strict than previous ones. I've set warnings as errors in the build I've added FxCop to PostBuild. The one last thing on my list os require people to add inline docs for all classes/non-private methods/properties.
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Apr 15, 2010
I created a very simple program that organizes my various document and opens them when the button is clicked inside the program with the process.start method. The problem is that when i take the executable file and move it to another machine or cd to run the program the process.start filepath is no longer valid.
[Code]...
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Apr 18, 2012
I've given a job to convert old data in table format to new format.Old dummy data is as follows:
<table>
<tr>
<td>Some text 1.</td>
[code].....
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Jan 2, 2010
I am working on a project in VB 2008 and need it to do this:Read first line from text file (using Openfile)Enter line into textbox on formDo some other codeThen Read second linefrom text fileEnter line into same text boxand loop until we have gone through text fileI am not sure how to read line by line from text file then enter it in textbox. I can open the Openfile and get the filename and everything, but I just am not sure how to read from it or enter that line into the textbox.Here is what I have, its not much but its a start:
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim FileReader As StreamReader
[code]....
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Nov 13, 2009
I have a dictionary object (let's call it _do) I am using to cache some values for use in a multi-threaded program. I have a single controlling parent thread, with a timer function _doTimer() which can kick off child threads with a new instance of class MyThreadObject in each. My parent thread has _do as a property and with each time _doTimer() gets called, it may or may not repopulate _do depending on cacheflag settings. I pass a reference to _do to each instance of MyThreadObject and those threads at some point read the values of _do but DO NOT write to it.
What I want is to ensure that the child threads do not try and read _do whilst the parent thread is writing to it. Same thing but very slightly different -> I also don't want the parent thread to write to _do whilst the child threads are reading from it. However there is no problem with 1 child thread reading the values of _do at the same time as another child thread is reading the values - so ideally I do not want each child thread to completely lock out read access, only locking out Write access.. The code is roughly like this:
[Code]....
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Apr 18, 2011
Even though the row is there its not allowing me to read the next row. I thought this would have worked but obviously not.
Imports System.Data.OleDb
Public Class formalQuiz
Dim Questions As String
[Code].....
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Nov 19, 2010
I've been working on this project that lets me read in file "scores.txt" This file has a student name then a grade. ie:
Scubastevie
56
superman
33
There is no limit to amount of data scores should be able to read.
I'm just trying to be able to read in both sets of data and then have it display this way:
Scubastevie 56
Superman 33
I know you use arrays and I have done some code. Here is what i'm trying. I don't want two arrays, just one.
Public Class Form1
Structure ExamGrades
Dim name As String
[]Code].....
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Feb 14, 2010
I am trying to develop a tool for use with an online game which has XML files available online (not downloads, automatically updated XML website things). Sorry if I'm not too clear as I don't truly understand how they work or anything!Anyway, I am trying to make a vb.net program access the information stored in these online XML pages but am having some difficulty. For a start, I tried the vb.net's help files which didn't help a great deal (well done Microsoft) because of the lack of informative comments on each code sample. It merely said that the output would be this (didn't even say where this output would be.
Next I tried searching the web but although I found a few things, some on this site, most of them were questions where the person already had a good knowledge of XML usage so they didn't put many comments on their code.
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Jul 30, 2011
I am using following code to read text from a .txt file. But I don't know how to perform search within file and how to read a specific line in the text file, based on search.
Dim vrDisplay = My.Computer.FileSystem.ReadAllText(CurDir() & "keys.txt")
MsgBox(vrDisplay)
For an example, if I want to read the line that contains the word "Start", how to do that?
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Dec 8, 2010
I have a filename SBSA_UPLD_20101208 and I am interested in reading the Last date part which is 20101208. How can I do it?
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Mar 30, 2012
I am using the following code to get an XML data from a website of mine:
Dim strUrl As String = "http://www.xxx.net/mobileApp/checker.asp"
Dim reader As XmlTextReader = New XmlTextReader(strUrl)
Do While (reader.Read())
[Code].....
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Jul 22, 2009
I have an XML file, shown below:
<?xml version="1.0" standalone="no"?>
<!--RISInsight server settings-->
<Configuration>
[Code].....
Is there a way that I can make it continue to read the XML file?
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Mar 16, 2012
I have this code and I have no idea why it's not working.
Using parser As New Microsoft.VisualBasic.FileIO.TextFieldParser("\server
etlogoncsvsstafflookup.csv")
parser.SetDelimiters(",")
[Code]....
I want it to read the left value in a csv, if it matches the username then the ADGroup sets to the right column (so we have staff name and then year group)
This code seems to be skipping lines though and not going through each one but I don't know why.
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Nov 13, 2009
I have a vb.net POS application which creates a CSV file (three actually) to store data for later import into a database. All is working well with that part. Details and what I would like to do now follows: A single row of data in one of these files looks like this:
11/4/2009 1:57:50 PM,fg5,1234,21.00,21,0,0,0,0,21.00,12345
There are 11, I will call them columns, in each row, with varying number of rows each day. I need to extract only the information in column 10 from each row and total these numbers. I could do this with a FileOpen(1, <fullpathtofilename>, OpenMode.Input) and an input(1,<variablename>(i)) for each row in a FOR loop. This seems to be cumbersome and a waste of resources especially when the file is very large. Is there a easier, shorter, better, faster (use your own expeditious adjective here) way of doing this? Is there a way to read only the 10th item in each row and for how ever many rows there are? Something like this maybe:
Dim i As Integer
Dim Total as Double
i = 0
[code]....
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Jan 12, 2010
I am making a browser in vb which can import IE favourites. Here is my code so far:
Dim favespath As String = Environment.GetFolderPath(Environment.SpecialFolder.Favorites)
Dim info As New IO.DirectoryInfo(favespath)
For Each fi In info.GetFiles
[code]....
But my code returns a load of HTML instead of the target of the .url file.
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Jul 2, 2011
I am looking to right a vb application that will read a cr2 file (cr2 is a images raw file) I want to be able to read the file resize it, save as a jpg, and auto post to my facebook albums (I have the facebook part done)
Someone has posted before [URL]..
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May 27, 2009
The way this file works is there is a null buffer, then a user check sum then a byte that gives you the user name letter count, then a byte for how many bytes to skip to the next user and a byte for which user file the user keeps their settings in.
the loop with the usersm variable in the IF statement sets up the whole file stream for extraction. However with almost the exact same code the else clause specifically the str.Read(xnl, 0, usn - 1) in the else code appears to be reading the very beginning of the file despite the position of the filestream being set earlier?
this is in vb2005
Private Sub readusersdata(ByVal userdatafile As String)
ListView1.BeginUpdate()
ListView1.Items.Clear()
Using snxl As IO.Stream = IO.File.Open(userdatafile, IO.FileMode.Open)
[code]....
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Sep 4, 2009
how to read a text file character by character in VB.NET??
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Apr 6, 2011
I'm trying to read a .txt file line by line, but Visual Studio doesn't like what im doing. Here's my code so far:
Private Sub LoadGenre()
Dim StrApplicationPath As String = Directory.GetCurrentDirectory() & ""
Dim inputStream As StreamReader = File.OpenText(StrApplicationPath & "myfile.txt")
[code]....
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