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  • Adding a TimeSpan to a given DateTime

    - by Amokrane
    I just want to add 1 day to a DateTime. So I wrote: DateTime date = new DateTime(2010, 4, 29, 10, 25, 00); TimeSpan t = new TimeSpan(1, 0, 0, 0); date.Add(t); Console.WriteLine("A day after the day: " + date.ToString()); I tought the result would be: 2010 04 30- 10:25:00 but I'm still getting the initial date. What's wrong?

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  • Invalid character in a Base-64 string when Concatenating and Url encoding a string

    - by Rob
    I’m trying to write some encryption code that is passed through a Url. For the sake of the issue I’ve excluded the actual encryption of the data and just shown the code causing the problem. I take a salt value, convert it to a byte array and then convert that to a base64 string. This string I concatenate to another base64 string (which was previously a byte array). These two base64 strings are then Url encoded. Here’s my code... using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Security.Cryptography; using System.IO; using System.Web; class RHEncryption { private static readonly Encoding ASCII_ENCODING = new System.Text.ASCIIEncoding(); private static readonly string SECRET_KEY = "akey"; private static string md5(string text) { return BitConverter.ToString(new MD5CryptoServiceProvider().ComputeHash(ASCII_ENCODING.GetBytes(text))).Replace("-", "").ToLower(); } public string UrlEncodedData; public RHEncryption() { // encryption object RijndaelManaged aes192 = new RijndaelManaged(); aes192.KeySize = 192; aes192.BlockSize = 192; aes192.Mode = CipherMode.CBC; aes192.Key = ASCII_ENCODING.GetBytes(md5(SECRET_KEY)); aes192.GenerateIV(); // convert Ivector to base64 for sending string base64IV = Convert.ToBase64String(aes192.IV); // salt value string s = "maryhadalittlelamb"; string salt = s.Substring(0, 8); // convert to byte array // and base64 for sending byte[] saltBytes = ASCII_ENCODING.GetBytes(salt.TrimEnd('\0')); string base64Salt = Convert.ToBase64String(saltBytes); //url encode concatenated base64 strings UrlEncodedData = HttpUtility.UrlEncode(base64Salt + base64IV, ASCII_ENCODING); } public string UrlDecodedData() { // decode the url encode string string s = HttpUtility.UrlDecode(UrlEncodedData, ASCII_ENCODING); // convert back from base64 byte[] base64DecodedBytes = null; try { base64DecodedBytes = Convert.FromBase64String(s); } catch (FormatException e) { Console.WriteLine(e.Message.ToString()); Console.ReadLine(); } return s; } } If I then call the UrlDecodedData method I get a “Invalid character in a Base-64 string” exception. This is generated because the base64Salt variable contains an invalid character (I’m guessing a line termination) but I can’t seem to strip it off.

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  • Windows API Programming

    - by Chris
    I found this site, http://www.apitalk.com/document.php?id=1184207999_1 and I'm not sure if this site is using ATL, STL, MFC, or just calling API functions directly. I have done console programming with C++ and graphics programmign with C++ in Borland, but I've have never done Win32 C++ programming and I'm curious if anyone knows of a good site to start with? Does anyone know of any good sites to recommend about getting up and going fast with Win32 API C++?

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  • App dies on startup but not crash report

    - by brettr
    I've given an ad hoc version of my app to some users. Two of them have the app die on start up while one user has no issues. I can also install the ad hoc without issue...but that is always the case for me. One user sent the info below from the Xcode Organizer Console. They didn't find any crash logs. I don't know what to make of the info below. The one thing that stands out is "Permission denied". I place the provisioning and myapp.app files in a dropbox folder. The user then retrieves the files from the same location. I've run codesign against the .app file in the dropbox and get valid output: codesign -vvvv myapp.app myapp.app: valid on disk myapp.app: satisfies its Designated Requirement Any one have some ideas how I can figure out why the app doesn't work for this user? Here is the Console output from one user. They couldn't find any associated crash logs: Stats totalMLSITDBPostProcessing=5.31s commands=0.01 misc=0.45s icuSort=4.41s (MLS_icu_data=0.23s, MLS_icu_sec_data=0.13, dropIdx=0.04, normalize=0.13, update_orders=1.31, tStatsICUOther1=0.02, createIndex=2.50) Sun Dec 13 12:35:04 unknown com.apple.launchd[1] <Error>: (UIKitApplication:com.cygen.myapp[0x8cb6]) posix_spawn("/var/mobile/Applications/4B036396-3294-4E0A-BBCC-4118E72846D4/myapp.app/myapp", ...): Permission denied Sun Dec 13 12:35:04 unknown com.apple.launchd[1] <Warning>: (UIKitApplication:com.cygen.myapp[0x8cb6]) Exited with exit code: 1 Sun Dec 13 12:35:04 unknown SpringBoard[24] <Warning>: Failed to spawn myapp. Unable to obtain a task name port right for pid 179: (os/kern) failure Sun Dec 13 12:35:04 unknown com.apple.launchd[1] <Warning>: (UIKitApplication:com.cygen.myapp[0x8cb6]) Throttling respawn: Will start in 2147483647 seconds Sun Dec 13 12:35:04 unknown SpringBoard[24] <Warning>: Application 'myapp' exited abnormally with exit status 1 Sun Dec 13 12:35:10 unknown springboardservicesrelay[155] <Warning>: Unable to parse property list data of length: 0 Sun Dec 13 12:35:13 unknown com.apple.launchd[1] <Error>: (UIKitApplication:com.cygen.myapp[0x3ce5]) posix_spawn("/var/mobile/Applications/4B036396-3294-4E0A-BBCC-4118E72846D4/myapp.app/myapp", ...): Permission denied Sun Dec 13 12:35:13 unknown com.apple.launchd[1] <Warning>: (UIKitApplication:com.cygen.myapp[0x3ce5]) Exited with exit code: 1 Sun Dec 13 12:35:13 unknown SpringBoard[24] <Warning>: Failed to spawn myapp. Unable to obtain a task name port right for pid 182: (os/kern) failure Sun Dec 13 12:35:13 unknown com.apple.launchd[1] <Warning>: (UIKitApplication:com.cygen.myapp[0x3ce5]) Throttling respawn: Will start in 2147483647 seconds Sun Dec 13 12:35:13 unknown SpringBoard[24] <Warning>: Application 'myapp' exited abnormally with exit status 1

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  • Synchronizing thread communication?

    - by Roger Alsing
    Just for the heck of it I'm trying to emulate how JRuby generators work using threads in C#. Also, I'm fully aware that C# haas built in support for yield return, I'm just toying around a bit. I guess it's some sort of poor mans coroutines by keeping multiple callstacks alive using threads. (even though none of the callstacks should execute at the same time) The idea is like this: The consumer thread requests a value The worker thread provides a value and yields back to the consumer thread Repeat untill worker thread is done So, what would be the correct way of doing the following? //example class Program { static void Main(string[] args) { ThreadedEnumerator<string> enumerator = new ThreadedEnumerator<string>(); enumerator.Init(() => { for (int i = 1; i < 100; i++) { enumerator.Yield(i.ToString()); } }); foreach (var item in enumerator) { Console.WriteLine(item); }; Console.ReadLine(); } } //naive threaded enumerator public class ThreadedEnumerator<T> : IEnumerator<T>, IEnumerable<T> { private Thread enumeratorThread; private T current; private bool hasMore = true; private bool isStarted = false; AutoResetEvent enumeratorEvent = new AutoResetEvent(false); AutoResetEvent consumerEvent = new AutoResetEvent(false); public void Yield(T item) { //wait for consumer to request a value consumerEvent.WaitOne(); //assign the value current = item; //signal that we have yielded the requested enumeratorEvent.Set(); } public void Init(Action userAction) { Action WrappedAction = () => { userAction(); consumerEvent.WaitOne(); enumeratorEvent.Set(); hasMore = false; }; ThreadStart ts = new ThreadStart(WrappedAction); enumeratorThread = new Thread(ts); enumeratorThread.IsBackground = true; isStarted = false; } public T Current { get { return current; } } public void Dispose() { enumeratorThread.Abort(); } object System.Collections.IEnumerator.Current { get { return Current; } } public bool MoveNext() { if (!isStarted) { isStarted = true; enumeratorThread.Start(); } //signal that we are ready to receive a value consumerEvent.Set(); //wait for the enumerator to yield enumeratorEvent.WaitOne(); return hasMore; } public void Reset() { throw new NotImplementedException(); } public IEnumerator<T> GetEnumerator() { return this; } System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() { return this; } } Ideas?

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  • Can you add a folder structure to IIS7?

    - by tigermain
    I am in the process of setting up a new server which I share with 2 colleagues. Is it possible to get a folder structure into IIS7 at all (in the MMC) so we can keep our sites seperate? In the IIS7 management console I would like a set of folders foreach of my colleagues so that each of our websites are within their own sub folder.

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  • Attaining Explicit and Predictable Ruby on Rails...

    - by Winston
    I need help, how can I learn this framework? Here's what I need to know. Routes, it's expected outcome, the prefix/suffix methods associated with every changes made with it. ActiveRecord, the dynamic generation of methods, the behind the scenes with prefix_ and _suffix methods. The View, how do I know what prefix/suffix methods can be used in the View. Is there's a way to know all those behind-the-scenes actions in console.

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  • Rails logger messages test.log?

    - by Dave Paroulek
    Is it possible to configure rails to show logger.debug messages (from logger.debug statements inside controllers) to display inside test.log (or to the console) when running unit and functional tests? I added the following to test_helper.rb. I see messages from logger.debug statements directly inside tests but no messages from logger statements inside controller methods? def logger RAILS_DEFAULT_LOGGER end

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  • Undefined method for ri inside of IRB

    - by ThinkBohemian
    Inside of the interactive ruby console if i type ri then i get an undefined method error, do i explicitly have to install documentation somewhere to get this to work? irb(main):015:0* ri --help NoMethodError: undefined method `-@' for nil:NilClass from (irb):15 from /usr/local/lib/ruby/site_ruby/1.8/rubygems.rb:295 irb(main):016:0> ri Array NoMethodError: undefined method `ri' for main:Object from (irb):16 from /usr/local/lib/ruby/site_ruby/1.8/rubygems.rb:295

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  • WPF how to see last added text line in TexBox

    - by Janus
    I would like simmulate Console text output in my WPF app but when I add new lines in TextBox I should use scroll bar to see last added text but I want to see last added text but for firsts lines use scroll bar <TextBox TextWrapping="Wrap" AcceptsReturn="True" VerticalScrollBarVisibility="Auto" Text="{Binding Path=Data, Mode=TwoWay}" />`

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  • How can one request a debug build from javac without changing the ant scripts?

    - by mark
    I have a complex build system involving many ant scripts, some targets of which invoke the javac task. These ant scripts do not provide for a way to request a debug build from javac, i.e. neither debug nor debuglevel parameters of the javac task are specified. Is it still possible to instruct javac to build with debugging support without changing the build scripts themselves? The scripts are invoked from console.

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  • How does java implement inner class closures?

    - by thecoop
    In Java an anonymous inner class can refer to variables in it's local scope: public class A { public void method() { final int i = 0; doStuff(new Action() { public void doAction() { Console.printf(i); // or whatever } }); } } My question is how is this actually implemented? How does i get to the anonymous inner doAction implementation, and why does it have to be final?

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  • jQuery AJAX type: 'GET', passing value problem.

    - by Trez
    I have a jQuery AJAX call with type:'GET' like this: $.ajax({type:'GET',url:'/createUser',data:"userId=12345&userName=test"}, success:function(data){ alert('successful'); } ); In my console output is: GET:http://sample.com/createUser?userId=12345&userName=test params: userId 12345 userName test In my script i should get the value using $_GET['userId'] and $_GET['userName'] but i can't get the value passed in by ajax request using GET method. Any ideas on how to do this? thanks,

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  • Getting logging.debug() to work on Google App Engine/Python

    - by brainjam
    I'm just getting started on building a Python app for Google App Engine. In the localhost environment I'm trying to send debug info to the GoogleAppEngineLauncher Log Console via logging.debug(), but it isn't showing up. However, anything sent through, say, logging.info() or logging.error() does show up. I've tried a logging.basicConfig(level=logging.DEBUG) before the logging.debug(), but to no avail. What am I missing?

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  • acts_as_revisable 'loses' previous models created before migration

    - by cbrulak
    I have the following the standard, regular post sample app. I created some posts then decided to introduce acts_as_revisable After following the instructions at http://github.com/rich/acts_as_revisable I see that the previous posts are not appearing in the Post.all call. However, if I use the console and do Post.find_by_sql("SELECT * FROM Post WHERE ID=1") the post shows up. Any ideas? Thanks

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  • preverification error in netbeans and eclipse while including j2ssh maverick

    - by user568651
    problem-- Preverification errors: Error preverifying class com.maverick.ssh.components.ComponentFactory java/lang/NoClassDefFoundError: java/lang/Cloneable j2ssh Unknown Java Problem this error comes while j2ssh is added as a library in my application. console-- Uncaught exception: java.lang.NoClassDefFoundError: com/maverick/ssh/LicenseManager - mobilessh.MobileSSH.run(), bci=2 - java.lang.Thread.run(), bci=11 this error shows both in eclipse and netbeans ide 6.9.1 jdk 1.6 installed.. wtk 3.0 and 2.5.2.

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  • Using Crypt32 with Dev-Cpp - Unable to link to CryptUnprotectData

    - by jgworks
    While trying to compile the example code from 'Example C Program: Using CryptProtectData' I ran into a roadblock; The linker cannot find CryptUnprotectData. Here is the console output: Compiler: Default compiler Building Makefile: "C:\Dev-Cpp\test\Makefile.win" Executing make... make.exe -f "C:\Dev-Cpp\test\Makefile.win" all gcc.exe main.o -o "Project1.exe" -L"C:/Dev-Cpp/lib" -l crypt32 main.o(.text+0xcb):main.c: undefined reference to `CryptProtectData' main.o(.text+0x121):main.c: undefined reference to `CryptUnprotectData' collect2: ld returned 1 exit status make.exe: *** [Project1.exe] Error 1 Execution terminated

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  • Xcode with fortran

    - by fraguas
    Hi. I'm trying to compile some fortran files in Xcode, using a makefile made by me. The problem is that Xcode can't find gfortran compiler. I have it, because if I go to console and try to compile from there it works well. Do you know how to add fortran compiler to Xcode. Thanks in advance

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  • How to compile x264 for iPhone

    - by SUKIYAKI
    Hi, I'm trying to compile x264 for use in an iPhone application. I can compile with using http://github.com/gabriel/ffmpeg-iphone-build File: build-x264-armv6/7. but only decoding. I want to use encoding too. when I use build-x264-armv6/7,The console show me "mp4 output: no". Does anyone know how to compile x264 which is able to encoding H.264?

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  • perl dancer: passing database info to template

    - by Bubnoff
    Following Dancer tutorial here: http://search.cpan.org/dist/Dancer/lib/Dancer/Tutorial.pod I'm using my own sqlite3 database with this schema CREATE TABLE if not exists location (location_code TEXT PRIMARY KEY, name TEXT, stations INTEGER); CREATE TABLE if not exists session (id INTEGER PRIMARY KEY, date TEXT, sessions INTEGER, location_code TEXT, FOREIGN KEY(location_code) REFERENCES location(location_code)); My dancer code ( helloWorld.pm ) for the database: package helloWorld; use Dancer; use DBI; use File::Spec; use File::Slurp; use Template; our $VERSION = '0.1'; set 'template' => 'template_toolkit'; set 'logger' => 'console'; my $base_dir = qq(/home/automation/scripts/Area51/perl/dancer); # database crap sub connect_db { my $db = qw(/home/automation/scripts/Area51/perl/dancer/sessions.sqlite); my $dbh = DBI->connect("dbi:SQLite:dbname=$db", "", "", { RaiseError => 1, AutoCommit => 1 }); return $dbh; } sub init_db { my $db = connect_db(); my $file = qq($base_dir/schema.sql); my $schema = read_file($file); $db->do($schema) or die $db->errstr; } get '/' => sub { my $branch_code = qq(BPT); my $dbh = connect_db(); my $sql = q(SELECT * FROM session); my $sth = $dbh->prepare($sql) or die $dbh->errstr; $sth->execute or die $dbh->errstr; my $key_field = q(id); template 'show_entries.tt', { 'branch' => $branch_code, 'data' => $sth->fetchall_hashref($key_field), }; }; init_db(); true; Tried the example template on the site, doesn't work. <% FOREACH id IN data.keys.nsort %> <li>Date is: <% data.$id.sessions %> </li> <% END %> Produces page but with no data. How do I troubleshoot this as no clues come up in the console/cli? Thanks Bubnoff

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  • HelloWebView Sample: now using SDK 3 and getting killed

    - by Tim
    Hey Folks, Well I was trying to get the HelloWebview example working with SDK 7 with no success (see HelloWebView Sample: java.lang.SecurityException: Permission Denial thread), so I decided just out of curiosity to back off to SDK3 to see if I could learn anything. I have been able to get all the "Layout" samples to work and decided to try something a little harder. Unfortunately, I still cannot get the simple HelloWebView app to run. I no longer get a Permission Denial but now the app is getting killed. Killed usually implies that there are not enough resources (memory etc.) for an application to run.... Any thoughts? Are there any other log files I can look at either on my computer or on the emulator? The main.xml, manifest, and console output are below. Let me know if you need more information. Thanks, Tim main.xml: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <WebView android:id="@+id/webview" android:layout_width="fill_parent" android:layout_height="fill_parent"/> </LinearLayout> mainfest file: <uses-permission android:name="android.permission.INTERNET" /> <uses-sdk android:minSdkVersion="3" /> <application android:icon="@drawable/icon" android:label="@string/app_name"> <activity android:name=".HelloWebView3" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name=".HelloWebView3" android:label="@string/app_name" android:theme="@android:style/Theme.NoTitleBar"> </activity> </application> Console output: [2010-06-05 08:43:37 - HelloWebView3] ------------------------------ [2010-06-05 08:43:37 - HelloWebView3] Android Launch! [2010-06-05 08:43:37 - HelloWebView3] adb is running normally. [2010-06-05 08:43:37 - HelloWebView3] Performing com.example.hellowebview3.HelloWebView3 activity launch [2010-06-05 08:43:37 - HelloWebView3] Automatic Target Mode: launching new emulator with compatible AVD 'Android1.5' [2010-06-05 08:43:37 - HelloWebView3] Launching a new emulator with Virtual Device 'Android1.5' [2010-06-05 08:43:42 - HelloWebView3] New emulator found: emulator-5554 [2010-06-05 08:43:42 - HelloWebView3] Waiting for HOME ('android.process.acore') to be launched... [2010-06-05 08:45:04 - HelloWebView3] HOME is up on device 'emulator-5554' [2010-06-05 08:45:04 - HelloWebView3] Uploading HelloWebView3.apk onto device 'emulator-5554' [2010-06-05 08:45:04 - HelloWebView3] Installing HelloWebView3.apk... [2010-06-05 08:45:19 - HelloWebView3] Success! [2010-06-05 08:45:19 - HelloWebView3] Starting activity com.example.hellowebview3.HelloWebView3 on device [2010-06-05 08:45:23 - HelloWebView3] ActivityManager: Starting: Intent { action=android.intent.action.MAIN categories={android.intent.category.LAUNCHER} comp={com.example.hellowebview3/com.example.hellowebview3.HelloWebView3} } [2010-06-05 08:45:23 - HelloWebView3] ActivityManager: [1] Killed am start -n com....

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