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  • Need help with buffer overrun.

    - by Morinar
    I've got a buffer overrun I absolutely can't see to figure out (in C). First of all, it only happens maybe 10% of the time or so. The data that it is pulling from the DB each time doesn't seem to be all that much different between executions... at least not different enough for me to find any discernible pattern as to when it happens. The exact message from Visual Studio is this: A buffer overrun has occurred in hub.exe which has corrupted the program's internal state. Press Break to debug the program or Continue to terminate the program. For more details please see Help topic 'How to debug Buffer Overrun Issues'. If I debug, I find that it is broken in __report_gsfailure() which I'm pretty sure is from the /GS flag on the compiler and also signifies that this is an overrun on the stack rather than the heap. I can also see the function it threw this on as it was leaving, but I can't see anything in there that would cause this behavior, the function has also existed for a long time (10+ years, albeit with some minor modifications) and as far as I know, this has never happened. I'd post the code of the function, but it's decently long and references a lot of proprietary functions/variables/etc. I'm basically just looking for either some idea of what I should be looking for that I haven't or perhaps some tools that may help. Unfortunately, nearly every tool I've found only helps with debugging overruns on the heap, and unless I'm mistaken, this is on the stack. Thanks in advance.

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  • Project Euler (P14): recursion problems

    - by sean mcdaid
    Hi I'm doing the Collatz sequence problem in project Euler (problem 14). My code works with numbers below 100000 but with numbers bigger I get stack over-flow error. Is there a way I can re-factor the code to use tail recursion, or prevent the stack overflow. The code is below: import java.util.*; public class v4 { // use a HashMap to store computed number, and chain size static HashMap<Integer, Integer> hm = new HashMap<Integer, Integer>(); public static void main(String[] args) { hm.put(1, 1); final int CEILING_MAX=Integer.parseInt(args[0]); int len=1; int max_count=1; int max_seed=1; for(int i=2; i<CEILING_MAX; i++) { len = seqCount(i); if(len > max_count) { max_count = len; max_seed = i; } } System.out.println(max_seed+"\t"+max_count); } // find the size of the hailstone sequence for N public static int seqCount(int n) { if(hm.get(n) != null) { return hm.get(n); } if(n ==1) { return 1; } else { int length = 1 + seqCount(nextSeq(n)); hm.put(n, length); return length; } } // Find the next element in the sequence public static int nextSeq(int n) { if(n%2 == 0) { return n/2; } else { return n*3+1; } } }

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  • python recursive iteration exceeding limit for tree implementation

    - by user3698027
    I'm implementing a tree dynamically in python. I have defined a class like this... class nodeobject(): def __init__(self,presentnode=None,parent=None): self.currentNode = presentnode self.parentNode = parent self.childs = [] I have a function which gets possible childs for every node from a pool def findchildren(node, childs): # No need to write the whole function on how it gets childs Now I have a recursive function that starts with the head node (no parent) and moves down the chain recursively for every node (base case being the last node having no children) def tree(dad,children): for child in children: childobject = nodeobject(child,dad) dad.childs.append(childobject) newchilds = findchildren(child, children) if len(newchilds) == 0: lastchild = nodeobject(newchilds,childobject) childobject.childs.append(lastchild) loopchild = copy.deepcopy(lastchild) while loopchild.parentNode != None: print "last child" else: tree(childobject,newchilds) The tree formation works for certain number of inputs only. Once the pool gets bigger, it results into "MAXIMUM RECURSION DEPTH EXCEEDED" I have tried setting the recursion limit with set.recursionlimit() and it doesn't work. THe program crashes. I want to implement a stack for recursion, can someone please help, I have gone no where even after trying for a long time ?? Also, is there any other way to fix this other than stack ?

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  • Windows File System Analysis

    - by bouvierr
    I am looking for a FREE tool to perform analyses on the NTFS file system of my Windows 7 PC. I want to easily see the amount of data distributed throught out the entire file system. The following applications seem very good, but they are not free and probably overkill for my requirements: FolderSizes 5 MailMeter Windows File System Reporting Tool I am aware that some applications (like Folder Size 2.5) can add a column in Windows Explorer to show the size of each folder, but I am looking for something more like a reporting tool. Thank you for your suggestions.

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  • shrink size of ova file in virtualbox

    - by 130490868091234
    I've got an Ubuntu 64bit VM that I derived from a ~1GB ova file, I used it under VMware vSphere to install some more software on it and use the system against a few datasets that took some 2-3GB of space, but now that I deleted these big files, I was expecting that the newly generated ova file from it would also take about ~1.1GB of space, but instead is taking about 3GB. If I look at the details the .vmdk file in virtualbox, I see the following: Hart Disk: SATA Port 0 Type (Format): Normal (VMDK) Virtual Size: 8.00 GB Actual Size: 7.90 GB Details: Dynamically allocated storage Location: /somewhere/myVM-disk1.vmdk Attached To: myVM.virtualbox The size of the ova when I export this machine is ~3GB. Any ideas how I can shrink it?

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  • MOSS Upload Size?

    - by littlegeek
    Hi In MOSS we have done all of this to increase the file upload size, reset iis but still doesnt want to play = anyone any advice. UPDATE Just seen the Scott Gu article - http://weblogs.asp.net/pscott/archive/2009/02/26/404-errors-with-fileupload-with-iis7.aspx and JS example http://msmvps.com/blogs/cgross/archive/2009/02/25/large-files-in-sbs-2008-s-companyweb.aspx So need to say this is II6 on win2k3 Update 2 still not working at a loss anyone help? In SharePoint 3.0 Central Adminisration, Application Management tab, and Web application general settings configure the Maximum upload size to a maximum of 2047 MB. - We set ours to 250MB In Internet Information Services on the properties of the virtual server increase the Connection Timeout to greater than default 120 seconds depending on the time to upload large files in your environment for example, 360 seconds. - We set ours to 600 Secs Configure the web.config for the _layouts web.config with On the SharePoint server change C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\TEMPLATE\LAYOUTS\web.config with an executionTimeout appropriate for the file size you are uploading. An example is included below. from: to: executionTimeout="999999" maxRequestLength="2097151" /

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  • Linux: Why to change inode size?

    - by FractalizeR
    Hello. Tune2fs allows to change inode size from default 128 bytes to almost anything (but it should be power of two). What can the the reasons of changing default inode size? Here http://kbase.redhat.com/faq/docs/DOC-7433 is written, that this can be done to be able to store ACL attributes inside inodes. What else can be stored inside inode? May be some other attributes? Or anything else? Is there any reason to increase inode size on modern high-capacity drives (2TB and more)?

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  • SQL Server 2008 R2 Enterprise database has unexpected 4GB database size limit

    - by Jesse
    I have SQL Server 2008 R2 Enterprise installed on a local Windows 7 x64 workstation. When I create a database on the server, it unexpectedly has a 4GB size limit (Database properties in SQL Server Management Studio say size = 3934.38 MB, space available = 47.13 MB). Unfortunately the database needs more than 4GB, and Enterprise is not supposed to have a practical maximum size. I confirmed the database is on the Enterprise server: SELECT @@VERSIONMicrosoft SQL Server 2008 R2 (RTM) - 10.50.1600.1 (X64) Apr 2 2010 15:48:46 Copyright (c) Microsoft Corporation Enterprise Edition (64-bit) on Windows NT 6.1 <X64> (Build 7600: ) The database file is not set to restrict growth in SQL Server Management Studio, and there is plenty of hard drive space. The database was copied from SQL Express (which has a 4GB limit), but the same occurs with a fresh database creation. I've spent a couple of hours trying to figure this out and Google-searching, to no avail. Any ideas?

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  • Increase text size in Ubuntu due to having large resolution/monitors

    - by Sridhar Ratnakumar
    I have 24" dual monitors with 1920x1080 resolution on both of them. Consequently the text appears so small. I use the following text-intensive applications frequently: Web browser (Google Chrome) IDE (Komodo) Terminal (Gnome Terminal) Email (Thunderbird) I can configure text size on IDE, Terminal and Email. But for Chrome, it is not a good idea to set proportional font size because often one wants to see the entire (not just proportional fonts) site to be zoomed. So I am asking: Is it possible to increase DPI in Ubuntu (much like on Windows) so as to increase the text size across all apps? OR Is it possible to set permanent 'zoom' in Google Chrome, using a third-party extension maybe?

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  • Increase text size in Ubuntu 10.04 due to having large resolution/monitors

    - by Sridhar Ratnakumar
    I have 24" dual monitors with 1920x1080 resolution on both of them. Consequently the text appears so small. I use the following text-intensive applications frequently: Web browser (Google Chrome) IDE (Komodo) Terminal (Gnome Terminal) Email (Thunderbird) I can configure text size on IDE, Terminal and Email. But for Chrome, it is not a good idea to set proportional font size because often one wants to see the entire (not just proportional fonts) site to be zoomed. So I am asking: Is it possible to increase DPI in Ubuntu (much like on Windows) so as to increase the text size across all apps? OR Is it possible to set permanent 'zoom' in Google Chrome, using a third-party extension maybe? I am using Ubuntu 10.04 (Lucid Lynx)

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  • Get exact size in bytes of a disk & partitions in windows

    - by Antonius Bloch
    Hi, I'm using dd (under cygwin) to copy a shadow image of a disk in windows. Shadow copy will only give me a partion, so what I am doing is: 1) using dd to grab the disk header (32k on Win2003) 2) using dd to copy the shadow partition 3) using dd to copy the end of of the disk (8 meg reserved on Win2003) 4) stitch them all together and boot on KVM I need the exact size of all the partitions and non partitioned space on this windows drive. Unfortunately most windows disk tools seem to fudge the numbers a bit, or at least give me a different size than Linux does. I could guess like this 32k + partition size + 8M, but I want to double check. If I make a mistake I could lose data. This is on a remote & live Windows 2003 server so no offline solutions will be helpful. Latest cygwin is installed.

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  • How can I sort du -h output by size

    - by Tom Feiner
    I need to get a list of human readable du output. However, du does not have a "sort by size" option, and piping to "sort" doesn't work with the human readable flag. For example, running: du | sort -n -r Outputs a sorted disk usage by size (descending): du |sort -n -r 65108 . 61508 ./dir3 2056 ./dir4 1032 ./dir1 508 ./dir2 However, running it with the human readable flag, does not sort properly: du -h | sort -n -r 508K ./dir2 64M . 61M ./dir3 2.1M ./dir4 1.1M ./dir1 Does anyone know of a way to sort du -h by size?

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  • Changed array composition, mdadm --detail still shows the old array size

    - by Prody
    I have a machine with 8 disks. I installed it with my hoster's install automation (it's OVH, I don't have physical access to it). The machine installed correctly, but it made an array that I wanted to change. It created a raid5 array across 5/8 disks and I've changed it to raid10 across 8 disks. I've done this by first --stopping the old array and then --creating the new array. It warned me that a previous array was there, but I chose to continue. So it created the array, spent 10ish hours syncing it and now that it's ready I get this strange behavior: When I fdisk p on it, I see the correct size. But when I mdadm --detail it I see the old array's size even tho I get the new composition and level. When I try to pvcreate on it, i get the old size again for some reason. Did I have to do something else? Did I miss something?

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  • Font size of emacs in ubuntu

    - by Ispinfx
    I use emacs in ubuntu and I use Monaco 10 as its default font. However, the font rendering seems a bit odd compared to my gnome terminal with the same font size: It's a bit smaller and not as clear as that in the terminal. I've tried to avoid simply this with size 11 but it's too large for me. How can I make it the same as its look in the terminal ? Any help is appreciated :) UPDATE: I should tell you the above on is GUI emacs running a shell, and the below is the gnome terminal. On the right are their correspond font settings. Both 100% capture with font size 10: (left: emacs, middle: terminal, right: gedit) One more (gvim's):

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  • estimating size of reply HTTP headers

    - by Guanidene
    I am trying to download a file via a basic socket connection, using a HTTP GET request. So, I have to specify how many bytes of data coming in I have to read from the socket. However, I am having trouble deciding the amount of data (say, in bytes) the server would reply back with. I know that there is a "Content-Length" field in the reply sent by server, but that gives me the size of the actual data (without the http headers). Is there a way to get the exact size of HTTP headers sent by the server or an estimation is required? (I am doing this for downloading on a mobile network, where every bit of data matters in terms of time and money, so I don't wish to make an unnecessary larger estimate of the header size.)

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  • Windows 7: How to change the taskbar font size

    - by Noah
    Windows 7 (Aero) does not offer an option to easily change the taskbar font size. BACKGROUND: I was using an increased DIP 125%. The problem being that many programs, sad to say, Microsoft's included, don't scale or position properly at other than 100%. I've reset the DPI to 100%, and have been able to customize most of my windows settings for easy reading, except the task bar font size In Summary: There are many ways to change the taskbar font color. I'm looking to increase the actual font size.

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  • Resizing custom bullets without changing the font size - Word 2010

    - by Citroenfris
    I'm trying to make some custom bullets in Word 2010 with the help of a picture. I thought if I made the picture the desired size everything would work out fun, but it didn't. The problem is that the bullets are always bigger than the text which is not what I had in mind. So my question is, is there any way to properly size the custom made bullets or is there another way to create these so they are actually smaller than my text. If I change the font size of my text the bullets automatically become bigger as well. I would include an image but I don't have the sufficiënt reputation to do so. Thank you in advance.

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  • Find out the size of a .tar.gz archive in the terminal without unpacking

    - by Sven
    I have a 32GB .tar.gz archive and I'd like to know the size of the files if I unpack this compressed archive. I'd like to avoid unpacking the archive first and than use e.g. du. Is it also possible to find out the size of the contained files without unpacking the compressed archive (on a Linux and/or MacOSX system)? For another archive I know, that it also contains .tar.gz files. Is it also possible to calculate the size of the unpacked archives that are contained within an archive? (for example by setting a level to which the "unpacking" should be simulated?)

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  • Default maximum heap size -- Ubuntu 10.04 LTS, openjdk6-jre

    - by sachin
    I just installed openjdk6-jre on Ubuntu 10.04 java version "1.6.0_20" OpenJDK Runtime Environment (IcedTea6 1.9.2) (6b20-1.9.2-0ubuntu1~10.04.1) OpenJDK 64-Bit Server VM (build 19.0-b09, mixed mode) Every time I run "java" I get this error: Error occurred during initialization of VM Could not reserve enough space for object heap Could not create the Java virtual machine. This can be solved by specifying a maximum heap size and running "java -Xmx256m" But is there anyway to permanently fix this error (i.e. set the default heap size to 256MB so that I do not need to specify the max heap size every time I run the command)

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  • Thunderbird "Folders" and "Inbox" font size

    - by bo gusman
    Graphical programs are such a pain sometimes. I am of an age where 1024x768 is the highest resolution that I can see. I had set my Windows 7 system fonts to be 125% - that helps a lot - but it screws up the tool bars on many other programs so I've reverted to 100% and it's now too hard to read in many cases. Most browsers will let you easily scale text font size as will the "message" window of Thunderbird (aside from setting the default font size for reading messages to 24 point, CTRL + + works wonders). However, I cannot seem to find a way to set the font size for the other panes - the Folders pane and the inbox pane. Is there some undocumented way to do that?

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  • Determine size of SizeToContent WPF Window before its rendered

    - by DudeFX
    I have a window in my WPF application that is displayed on occasion. When it is shown it is faded in with an annimation, and when closed it is faded out. Nothing fancy, just a storyboard that modifies the opacity. Actually the window is never really closed, the opacity is just faded out to 0 where it remains until its to be displayed again. This window is an informative window and doesn't always show the same content. It is sized to content (Width and Height) and works well in that regard. The user chooses the basic area of the screen for it to be displayed (TopLeft, TopRight, Center, BottomLeft, BottomRight). Before the window is faded in the content is updated. Because the window is sized to content it increases or descreases in size. The width and height can change. When positioning the window, lets say, in the bottom right corner, I simply take the WorkingArea of the screen (width and height) and then minus the width/height of the window to get the Top and Left position that I need. The logic works, but the trouble I am having is the Window's Height and Width is not returning the size it is after the content was updated, but is returning the size it was the last time it was displayed. I am assuming this is because it hasn't yet been rendered with the new content. This causes me grief becuase if the Window is larger than it was the last time it obviously extends off the screen. I tried positioning the window in the OnContentRendered event, but this only fires once when the Window is created, not after the content has been updated, when the opacity is set to 0. Does anyone have any idea how I might get an accurate width and height of this window before it is faded in? Any help would be appreciated!!

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