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  • C# Console Application Output to .csv file

    - by Zinn
    I am trying to make a program that will show the numbers: 1, 10 +30 2, 40 (the scale goes up in this pattern by adding 20 to the last number added) 3, 90 +50 4, 160 5, 250 +70 So far I have this code: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.IO;// namespace Myloop { class Program { static void Main(string[] args) /// </summary> { StreamWriter myOutputStream = new StreamWriter("loopdata.csv"); int forloop; for (forloop = 1; forloop < 21; forloop++) Console.WriteLine(forloop); Console.ReadLine(); myOutputStream.Close(); } } } This is showing the first sequence of numbers 1 - 20, but could anyone give me any guidance how to do the other sequence next to it in the console application and how I can output these to a .csv file, as the information I have so far doesn't appear in the .csv file

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  • boost scoped_lock mutex crashes

    - by JahSumbar
    hello, I have protected a std::queue's access functions, push, pop, size, with boost::mutexes and boost::mutex::scoped_lock in these functions from time to time it crashes in a scoped lock the call stack is this: 0 0x0040f005 boost::detail::win32::interlocked_bit_test_and_set include/boost/thread/win32/thread_primitives.hpp 361 1 0x0040e879 boost::detail::basic_timed_mutex::timed_lock include/boost/thread/win32/basic_timed_mutex.hpp 68 2 0x0040e9d3 boost::detail::basic_timed_mutex::lock include/boost/thread/win32/basic_timed_mutex.hpp 64 3 0x0040b96b boost::unique_lock<boost::mutex>::lock include/boost/thread/locks.hpp 349 4 0x0040b998 unique_lock include/boost/thread/locks.hpp 227 5 0x00403837 MyClass::inboxSize - this is my inboxSize function that uses this code: MyClass::inboxSize () { boost::mutex::scoped_lock scoped_lock(m_inboxMutex); return m_inbox.size(); } and the mutex is declared like this: boost::mutex m_inboxMutex; it crashes at the last pasted line in this function: inline bool interlocked_bit_test_and_set(long* x,long bit) { long const value=1<<bit; long old=*x; and x has this value: 0xababac17 Thanks for the help

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  • VB6 lives forever like Cobol

    - by Kb
    In the last 3-5 years I have been renewing an insurance application and a commmercial integration toolkit based on vb6. According to Microsoft's "It just works policy" the IDE is no longer supported after april 8th 2008 It still works to develop and deploy vb 6 apps. The question is: When will it be impossible to support vb6 applications, or will they live forever like Cobol applications do? Update: Microsoft statement march 2010: The Visual Basic team is committed to “It Just Works” compatibility for Visual Basic 6.0 applications on Windows Vista, Windows Server 2008 including R2, and Windows 7.

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  • Method overloading in groovy

    - by slojo
    I am trying to take advantage of the convenience of groovy's scripting syntax to assign properties, but having trouble with a specific case. I must be missing something simple here. I define class A, B, C as so: class A { A() { println "Constructed class A!" } } class B { B() { println "Constructed class B!" } } class C { private member C() { println "Constructed class C!" } def setMember(A a) { println "Called setMember(A)!" member = a } def setMember(B b) { println "Called setMember(B)!" member = b } } And then try the following calls in a script: c = new C() c.setMember(new A()) // works c.member = new A() // works c.setMember(new B()) // works c.member = new B() // doesn't work! The last assignment results in an error: 'Cannot cast object of class B to class A". Why doesn't it call the proper setMember method for class B like it does for class A?

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  • svn: Item <folder> is out of date

    - by Tom Brito
    I'm using subclipse, and always when delete a folder in Eclipse, and try to commit it, the following errors raise: svn: Item <folder> is out of date svn: DELETE of <folder>: 409 Conflict (http://myintranet) Deleting and commiting via command line works fine, but what's wrong with doing it via subclipse? Is anyone more experiencing this problem? (I experienced this problem in Ubuntu 9.10 and 10.04; last Eclipse version; and subclipse 1.4 - as the next versions of subclipse have much more bugs) --updated: Its when I delete folders, not files

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  • Perl array and hash manipulation using map

    - by somebody
    I have the following test code use Data::Dumper; my $hash = { foo => 'bar', os => 'linux' }; my @keys = qw (foo os); my $extra = 'test'; my @final_array = (map {$hash->{$_}} @keys,$extra); print Dumper \@final_array; The output is $VAR1 = [ 'bar', 'linux', undef ]; Shouldn't the elements be "bar, linux, test"? Why is the last element undefined and how do I insert an element into @final_array? I know I can use the push function but is there a way to insert it on the same line as using the map command? Basically the manipulated array is meant to be used in an SQL command in the actual script and I want to avoid using extra variables before that and instead do something like: $sql->execute(map {$hash->{$_}} @keys,$extra);

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  • How to get new logs in an EventLogEntyCollection?

    - by Massimo
    I need to monitor security event logs on very busy domain controllers, which generates hundreds of them each minute. I know how to use EventLog, EventLogEntry and EvenLogEntryCollection to open and read a server's event log, but an EvenLogEntryCollection can contain ~300.000 events, and it wraps around continuously (and very fast), so I can't rely on its index to find new entries. So far, the only thing I was able to come up with is saving the timestamp of the last processed log entry and then iterate above the EventLogEntryCollection until I find an EventLogEntry which TimeGenerated properties is greater than the timestamp I saved; but it's terribly slow to iterate on ~300.000 entries to find the new ones. How can I quickly find the new entries in an big event log?

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  • user buffer after doing 'write' to file opened with O_DIRECT

    - by user1868481
    I'm using the O_DIRECT flag to write to the disk directly from the user buffer. But as far as I understand, Linux doesn't guarantee that after this call, the data is written. It just writes directly from the user buffer to the physical device using DMA or anything else... Therefore, I don't understand if I can write to the user buffer after the call to 'write' function. I'm sure that example code will help to understand my question: char *user_buff = malloc(...); /* assume it is aligned as needed */ fd = open(..., O_DIRECT); write(fd, ...) memset(user_buff, 0, ...) Is the last line (memset) legal? Is writing to the user buffer valid that is maybe used by DMA to transfer data to the device?

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  • How do I create English-language list (name1, name2, AND name3) in Ruby on Rails?

    - by Angela
    Quite possibly there could be a rails magic I've missed, but I'm guessing it will be in Ruby. I have a model called Company which has_many Contacts. Suppose Company has Contact 1, Contact 2, Contact 3, and Contact 4. When I create a textblog for each Contact, I want to output the following (where Contact = Contact 1) "Hi, Contact 1, I am also writing to Contact 2, Contact 3, and Contact 4." So it needs to extract the Contact in the salutation and then list them, inserting "and" before the last Contact in the list.

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  • Clear all currently defined vim macros

    - by Simon Walker
    Hi everyone I have a vim macro that I keep mistyping, usually when I'm trying to save something so I do it quickly and I can't work out what keys I pressed. It is annoying as it pastes some irrelevant bash code into my file so I have to undo the erroneous pasting which also undos the last thing I typed that I do want. I was looking for a way to either list the currently defined macros (so I can redefine the offending one), or a way to clear out them completely. I only use macros in the very short term so I don't mind losing them all. Cheers

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  • Image animation stops on minimizing and restoring

    - by lc
    I have a .NET WinForms application with an animated GIF in a PictureBox. It's a loading animation, shown while a BackgroundWorker does some processing in another thread. I load the image by setting the Image property and it animates on its own. All is fine until I minimize and restore the application. At which point, the image stops animating and just displays whatever frame it was last on. Note that: The background thread still runs fine and none of the "business" of the application is affected. Subsequently-displayed animated GIFs do work fine (unless the application is minimized again). Does anyone know what causes this problem? Any workarounds?

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  • How to programmatically switch to a specific window in compiz?

    - by FossilBit
    Is there a command to tell compiz that we want to bring in front and set focus to a specific window? How should we identify the window in that command? The reason behind this question is the following use-case: Suppose we have a wiki to keep notes of anything interesting we find out. It would be very convenient to have a keyboard shortcut to bring the browser window with our Wiki page in front and start typing immediately then with another key combination switch to the application we were working before I know that "ALT+TAB" switches between the last two used windows but cannot support more complex combinations of applications. E.g Browser+Eclipse+ Wiki If there is a command like the one described, it is easy to add a shortcut to it from KDE or GNOME interface Thanx ...

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  • making errorbars not clipped in matplotlib with Python

    - by user248237
    I am using matplotlib in Python to plot a line with errorbars as follows: plt.errorbar(xvalues, up_densities, yerr=ctl_sds, fmt='-^', lw=1.2, markersize=markersize, markeredgecolor=up_color, color=up_color, label="My label", clip_on=False) plt.xticks(xvalues) I set the ticks on the x-axis using "xticks". However, the error bars of the last point in xvalues (i.e. xvalues[-1]) are clipped on the right -- meaning only half an error bar appears. This is true even with the clip_on=False option. How can I fix this, so that the error bars appear in full, even though their right side is technically outside xvalues[-1]? thanks.

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  • Displaying same icon in 2 different sizes on c#

    - by ET
    My goal is to display the same icon twice, but each time in different size. I tried the following: FileStream fs = new FileStream("name_of_the_icon_file.ico", FileMode.Open); Icon ico = new Icon(fs, 32, 32); //create an in-memory instance of the icon, size 32x32 Icon ico2 = new Icon(fs, 16, 16); //create an in-memory instance of the icon, size 16x16 ... Graphics.DrawIcon(ico, /*some point*/); Graphics.DrawIcon(ico2, /*some other point*/); The last line throws an ArgumentException: Value does not fall within the expected range. Can some one explain me whats wrong and whats the way to do this right?

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  • What is the best solution to replace a new memory allocator in an existing code?

    - by O. Askari
    During the last few days I've gained some information about memory allocators other than the standard malloc(). There are some implementations that seem to be much better than malloc() for applications with many threads. For example it seems that tcmalloc and ptmalloc have better performance. I have a C++ application that uses both malloc and new operators in many places. I thought replacing them with something like ptmalloc may improve its performance. But I wonder how does the new operator act when used in C++ application that runs on Linux? Does it use the standard behavior of malloc or something else? What is the best way to replace the new memory allocator with the old one in the code? Is there any way to override the behavior or new and malloc or do I need to replace all the calls to them one by one?

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  • Delete current row in a <table> with jQuery

    - by omgkurtnilsen
    I have a table that lists a bunch of customers. The last cell is an ajax delete button. I want the row containing the deleted customer to be deleted through jQuery. <table> <tr><td>Customer info 1</td><td><a href="javascript:deleteCustomer(1);">Delete</a></td> <tr><td>Customer info 2</td><td><a href="javascript:deleteCustomer(2);">Delete</a></td> function deleteCustomer(customerId) { $.post("somepage.php", {cid:customerId}, function(data){ //...delete the row that called the function... }

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  • jquery -> finding elements and navigating throug?

    - by mathiregister
    Hey guys, i wonder how i can solve the following problem. i have a horizontal scrollbar with floating divs side by side (.picture_holder). I wonder if i can find() this elements and animate a scroll event to the startpoint of every image. If i reach the last div i it to scroll to the first. # $('.next').click(function(){ # $('html, body').animate({scrollTo:Position von .picture_holder2}, 'slow'); # }); ?? any ideas how i could solve this?

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  • Clickonce application does not update or launch.

    - by jhunter
    I have a winforms application that I have deployed using clickonce, but the users navigate to a network drive and double click on setup.msi instead of using a webpage to install it. I have two users that have it installed and it's worked in the past. I did an udpate last week and now when the users try to launch the application the window that says "Verifying Application Requirements" pops up then when it disappears nothing happens. The dialog asking if it's ok to update never pops up. The network people have verified that they have permissions on the network drive (though, I would expect an error message if this were the issue). Any clues what could cause this to happen?

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  • What advantage does Monad give us over an Applicative?

    - by arrowdodger
    I've read this article, but didn't understand last section. The author says that Monad gives us context sensitivity, but it's possible to achieve the same result using only an Applicative instance: let maybeAge = (\futureYear birthYear -> if futureYear < birthYear then yearDiff birthYear futureYear else yearDiff futureYear birthYear) <$> (readMay futureYearString) <*> (readMay birthYearString) It's uglier for sure, but beside that I don't see why we need Monad. Can anyone clear this up for me?

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  • Aggregation over a few models - Django

    - by RadiantHex
    Hi folks, I'm trying to compute the average of a field over various subsets of a queryset. Player.objects.order_by('-score').filter(sex='male').aggregate(Avg('level')) This works perfectly! But... if I try to compute it for the top 50 players it does not work. Player.objects.order_by('-score').filter(sex='male')[:50].aggregate(Avg('level')) This last one returns the exact same result as the query above it, which is wrong. What am I doing wrong? Help would be very much appreciated!

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  • Rails 3 Order By Count on has_many :through

    - by goo
    I have an application where I can list Items and add tags to each Item. The models Items and Tags are associated like this: class Item < ActiveRecord::Base has_many :taggings has_many :tags, :through => :taggings end class Tagging < ActiveRecord::Base belongs_to :item belongs_to :tag end class Tag < ActiveRecord::Base has_many :taggings has_many :items, :through => :taggings end So, this many-to-many relationship allows me to set n tags for each Item, and the same tag can be used several times. I'd like to list all tags ordered by the number of items associated with this tag. More used tags, shows first. Less used, last. How can I do that? Regards.

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  • String formatting [str.format()] with a dictionary having a key which is a str() of a number

    - by decimus phostle
    Python neophyte here. I was wondering if someone could help with the KeyError I am getting when using a dictionary for string interpolation in str.format. dictionary = {'key1': 'val1', '1': 'val2'} string1 = 'Interpolating {0[key1]}'.format(dictionary) print string1 The above works fine and yields: Interpolating val1 However doing the following: dictionary = {'key1': 'val1', '1': 'val2'} string2 = 'Interpolating {0[1]}'.format(dictionary) print string2 results in: Traceback (most recent call last): File "test.py", line 3, in <module> string2 = 'Interpolating {0[1]}'.format(dictionary) KeyError: 1L So the problem seems to be in the interpretation of the numeric key as a list index, IMHO. Is there any way to work around this? (i.e. convey that this is instead a dictionary key) TIA and apologies if this question has been asked before(couldn't find anything relevant with my search-fu).

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  • [VB.Net] String Manipultation - Get String between two other Strings?

    - by Ben
    I have a large piece of text in which there is something simular to this: !#_KT_#!COMMANDHERE!#_KT_#! I want, in VB.Net, to get the 'COMMANDHERE' part of the string, how would I go about doing this? I have this so far: Dim temp As String = WebBrowser1.Document.Body.ToString Dim startIndex As Integer = temp.IndexOf("!#__KT__#!") + 1 Dim endIndex As Integer = temp.IndexOf("!#__KT__#!", startIndex) Dim extraction As String = temp.Substring(startIndex, endIndex - startIndex).Trim TextBox1.Text = extraction However this only removes the LAST string eg: #_KT_#! COMMAND. Any help is appreciated!

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  • Render multiple layers in XNA

    - by Charles
    I'm using XNA, and I've run into a little problem. I need to support multiple layers, each with a distinct z order (I call these "viewports"). A picture is worth a thousand words, so here's what it should look like: There are several things to notice here. Sprites do not render outside of their viewport, as you can see with Sprite B. Also, notice how the viewports are rendered - it's very similar to "layers" in Photoshop. Although Sprite C is has a z order of -1000, C still renders above Sprite A because its viewport's z-order is a greater than A's viewport's z-order. There's one last detail that I couldn't display very well in the above picture. Each viewport needs to optionally render a color over its region of the screen - you could think of it as a "tinting" affect. I'm completely at a loss when it comes to doing this the best way in XNA, so I could really use a short snippet of C#/VB.NET code that demonstrates this in action. Any help would be greatly appreciated.

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  • How do I guarantee row uniqueness in MySQL without the use of a UNIQUE constraint?

    - by MalcomTucker
    Hi I have some fairly simple requirements but I'm not sure how I implement them: I have multiple concurrent threads running the same query The query supplies a 'string' value - if it exists in the table, the query should return the id of the matching row, if not the query should insert the 'string' value and return the last inserted id The 'string' column is (and must be) a text column (it's bigger than varchar 255) so I cannot set it as unique - uniqueness must be enforced through the access mechanism The query needs to be in stored procedure format (which doesnt support table locks in MySQL) How can I guarantee that 'string' is unique? How can I prevent other threads writing to the table after another thread has read it and found no matching 'string' item? Thanks for any advice..

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