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  • Determine when a NSOpenPanel will close

    - by Martin
    I'm trying to determine when an NSOpenPanel is closing before it actually closes. I need to do this so I can overlay another window with a screenshot of the open panel on top of it to be animated. Unfortunately, all the notifications that you seem to be able to access seem to fire AFTER the window's already been closed. This leads to a jarring stutter before you start your transition. I've tried: - using NSWindow delegate methods on the open panel (apparently, none of the NSWindow delegate methods work) - monitoring panel:userEnteredFilename:confirmed: (not called) - showing the dialog with a callback (callback happens AFTER the panel disappears)

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  • apt-get install fuse - MAKEDEV not installed, skipping device node creation

    - by holms
    This happened with command apt-get dist-upgrade to upgrade to debian jessie, after which I've tried to remove fuse, and install it again. Same error: root@msgapp:/dev# apt-get install fuse Reading package lists... Done Building dependency tree Reading state information... Done The following NEW packages will be installed: fuse 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. Need to get 0 B/69.9 kB of archives. After this operation, 191 kB of additional disk space will be used. Selecting previously unselected package fuse. (Reading database ... 39354 files and directories currently installed.) Preparing to unpack .../fuse_2.9.3-10_amd64.deb ... Unpacking fuse (2.9.3-10) ... Processing triggers for man-db (2.6.7.1-1) ... Setting up fuse (2.9.3-10) ... MAKEDEV not installed, skipping device node creation. device node not found dpkg: error processing package fuse (--configure): subprocess installed post-installation script returned error exit status 2 Errors were encountered while processing: fuse E: Sub-process /usr/bin/dpkg returned an error code (1) UPDATE Reinstalling makedev gives another problem: root@msgapp:/dev# apt-get install makedev Reading package lists... Done Building dependency tree Reading state information... Done The following NEW packages will be installed: makedev 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. Need to get 0 B/42.6 kB of archives. After this operation, 129 kB of additional disk space will be used. Selecting previously unselected package makedev. (Reading database ... 39347 files and directories currently installed.) Preparing to unpack .../makedev_2.3.1-93_all.deb ... Unpacking makedev (2.3.1-93) ... Processing triggers for man-db (2.6.7.1-1) ... ySetting up makedev (2.3.1-93) ... /run/udev or .udevdb or .udev presence implies active udev. Aborting MAKEDEV invocation. /run/udev or .udevdb or .udev presence implies active udev. Aborting MAKEDEV invocation. /run/udev or .udevdb or .udev presence implies active udev. Aborting MAKEDEV invocation. There's ticket raised, and their fix doesn't give any result: root@msgapp:/dev# cd /dev && ./MAKEDEV fuse /run/udev or .udevdb or .udev presence implies active udev. Aborting MAKEDEV invocation.

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  • Running OpenMPI on Windows XP

    - by iamweird
    Hi there. I'm trying to build a simple cluster based on Windows XP. I compiled OpenMPI-1.4.2 successfully, and tools like mpicc and ompi_info work too, but I can't get my mpirun working properly. The only output I can see is Z:\orterun --hostfile z:\hosts.txt -np 2 hostname [host0:04728] Failed to initialize COM library. Error code = -2147417850 [host0:04728] [[8946,0],0] ORTE_ERROR_LOG: Error in file ..\..\openmpi-1.4.2 \orte\mca\ess\hnp\ess_hnp_module.c at line 218 -------------------------------------------------------------------------- It looks like orte_init failed for some reason; your parallel process is likely to abort. There are many reasons that a parallel process can fail during orte_init; some of which are due to configuration or environment problems. This failure appears to be an internal failure; here's some additional information (which may only be relevant to an Open MPI developer): orte_plm_init failed -- Returned value Error (-1) instead of ORTE_SUCCESS -------------------------------------------------------------------------- [host0:04728] [[8946,0],0] ORTE_ERROR_LOG: Error in file ..\..\openmpi-1.4.2 \orte\runtime\orte_init.c at line 132 -------------------------------------------------------------------------- It looks like orte_init failed for some reason; your parallel process is likely to abort. There are many reasons that a parallel process can fail during orte_init; some of which are due to configuration or environment problems. This failure appears to be an internal failure; here's some additional information (which may only be relevant to an Open MPI developer): orte_ess_set_name failed -- Returned value Error (-1) instead of ORTE_SUCCESS -------------------------------------------------------------------------- [host0:04728] [[8946,0],0] ORTE_ERROR_LOG: Error in file ..\..\..\..\openmpi -1.4.2\orte\tools\orterun\orterun.c at line 543 Where z:\hosts.txt appears as follows: host0 host1 Z: is a shared network drive available to both host0 and host1. What my problem is and how do I fix it? Upd: Ok, this problem seems to be fixed. It seems to me that WideCap driver and/or software components causes this error to appear. A "clean" machine runs local task successfully. Anyway, I still cannot run a task within at least 2 machines, I'm getting following message: Z:\mpirun --hostfile z:\hosts.txt -np 2 hostname connecting to host1 username:cluster password:******** Save Credential?(Y/N) y [host0:04728] This feature hasn't been implemented yet. [host0:04728] Could not connect to namespace cimv2 on node host1. Error code =-2147024891 -------------------------------------------------------------------------- mpirun was unable to start the specified application as it encountered an error. More information may be available above. -------------------------------------------------------------------------- I googled a little and did all the things as described here: http://www.open-mpi.org/community/lists/users/2010/03/12355.php but I'm still getting the same error. Can anyone help me? Upd2: Error code -2147024891 might be WMI error WBEM_E_INVALID_PARAMETER (0x80041008) which occures when one of the parameters passed to the WMI call is not correct. Does this mean that the problem is in OpenMPI source code itself? Or maybe it's because of wrong/outdated wincred.h and credui.lib I used while building OpenMPI from the source code?

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  • Cutomizing dired

    - by Arthur Debert
    I just came across this dired mode screen at Wikipedia. I am looking into those customizations. Regarding colors, I guess just specifying the correct faces will do, but how do I get dired to show file sized in kbytes by default? And the available space in MBs (top line)?

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  • What is an efficient way to find a non-colliding rectangle nearest to a location

    - by hyn
    For a 2D game I am working on, I am using y axis sorting in a simple rectangle-based collision detection. This is working fine, and now I want to find the nearest empty rectangle at a given location with a given size, efficiently. How can I do this? Is there an algorithm? I could think of a simple brute force grid test (with each grid the size of the empty space we're looking for) but obviously this is slow and not even a complete test.

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  • sort array of size n

    - by Grv
    if an array of size n has only 3 values 0 ,1 and 2 (repeated any number of times) what is the best way to sort them. best indicates complexity. consider space and time complexity both

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  • writing to an ioport resulting in segfaults...

    - by Sniperchild
    I'm writing for an atmel at91sam9260 arm 9 cored single board computer [glomation gesbc9260] Using request_mem_region(0xFFFFFC00,0x100,"name"); //port range runs from fc00 to fcff that works fine and shows up in /proc/iomem then i try to write to the last bit of the port at fc20 with writel(0x1, 0xFFFFFC20); and i segfault...specifically "unable to handle kernel paging request at virtual address fffffc20. I'm of the mind that i'm not allocating the right memory space... any helpful insight would be great...

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  • How to change the OSX menubar in wxPython without any opened window?

    - by gyim
    I am writing a wxPython application that remains open after closing all of its windows - so you can still drag & drop new files onto the OSX dock icon (I do this with myApp.SetExitOnFrameDelete(False)). Unfortunately if I close all the windows, the OSX menubar will only contain a "Help" menu. I would like to add at least a File/Open menu item, or just keep the menubar of the main window. Is this somehow possible in wxPython? In fact, I would be happy with a non-wxPython hack as well (for example, setting the menu in pyobjc). wxPython development in OSX is such a hack anyway ;)

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  • How can I tell if a closed path contains a given point?

    - by Tom Seago
    In Android, I have a Path object which I happen to know defines a closed path, and I need to figure out if a given point is contained within the path. What I was hoping for was something along the lines of path.contains(int x, int y) but that doesn't seem to exist. The specific reason I'm looking for this is because I have a collection of shapes on screen defined as paths, and I want to figure out which one the user clicked on. If there is a better way to be approaching this such as using different UI elements rather than doing it "the hard way" myself, I'm open to suggestions. I'm open to writing an algorithm myself if I have to, but that means different research I guess.

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  • i can't see a context menu of WPF windows app through VNC

    - by tk
    I can open a context menu but cannot see the opened menu list through VNC. (I know that i can open the context menu by checking the vnc server machine directly) I tested on different vnc servers / clients machines (although all of them are windows Vista), and different wpf app, but still I cant see any menu list. Is this a reported problem? I found some information about wpf problem relating to windows desktop, but i dont know about vnc. ADDED : I dont have this problem on windows native apps or windows forms apps under my vnc environment.

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  • Does the number of rows in mysql table matter?

    - by 1s2a3n4j5e6e7v
    I'm coming up with a web app which will want me to store more than 80 Lakh (8 million) rows. Will it be fine to handle those many number of rows with MySQL without having any performance degradation? Assume my RAM to be 4 GB and Infinity GB Harddisk space. Also, the main fields have been indexed.

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  • Read files via php

    - by Koka
    You all know about restrictions that exist in shared environment, so with that in mind, please suggest me a php function or something with the help of which I could stream my videos and other files. I have a lot of videos on the server, unlimited bandwidth and disk space, but I am limited in ram and cpu.

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  • Reading and decoding PDF-417 barcodes stored in an image or PDF file from within a .NET application

    - by John Rasch
    I am looking for a .NET library that is able to decode data from a PDF-417 barcode that is embedded either in an image file or PDF. At this point, I have only been able to find a Java version and a C version. Ideally, this library would be both open-source and free of charge, but I doubt such a decoder exists. I am open to trying out demos of existing products that you may have had experience with - which leads me to the question - have you had any experience reading PDF-417 barcodes embedded in images or PDFs using .NET, and which of the available products would you recommend to do so?

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  • [PHP] - Lowering script memory usage in a "big" file creation

    - by Riccardo
    Hi there people, it looks like I'm facing a typical memory outage problem when using a PHP script. The script, originally developed by another person, serves as an XML sitemap creator, and on large websites uses quite a lot of memory. I thought that the problem was related due to an algorithm holding data in memory until the job was done, but digging into the code I have discovered that the script works in this way: open file in output (will contain XML sitemap entries) in the loop: ---- for each entry to be added in sitemap, do fwrite close file end Although there are no huge arrays or variables being kept in memory, this technique uses a lot of memory. I thought that maybe PHP was buffering under the hood the fwrites and "flushing" data at the end of the script, so I have modified the code to close and open the file every Nth record, but the memory usage is still the same.... I'm debugging the script on my computer and watching memory usage: while script execution runs, memory allocation grows. Is there a particular technique to instruct PHP to free unsed memory, to force flushing buffers if any? Thanks

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  • What alternatives are there for asp.net forms authentication?

    - by Eytan Levit
    Hi, We are developing a web app that will have a pretty complex user and permission system. The general idea is that we have 3 levels of security: a simple user - that can only access basic data that is in a data repository a manager - that can open up data repositories a superuser - that can open up repository factories. each repository contains various data types(text, images, etc etc). We are looking for authentication methods that will allow us: 1. Scalability. 2. Customization. 3. To create permissions that will effect the GUI + deny access to certain pages. 4. To create predefined roles - that will allow for easy setup of new users. 5. To create custom roles for specific users - allowing them permission sets that are different from the predefined roles. Thanks in advance

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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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  • How to login with python and save cookie, then use that info to view page for member only

    - by patcsong
    I am quite new in python and trying to write a script to login to the page at http://ryushare.com/login.python. I have try many attempt, but it fails to login and i have no idea why. After login to the page, I wish to get the return of http://ryushare.com/file-manager.python Here's the code I try to attempt by reading the example from others. import urllib, urllib2, cookielib username = 'myusername' password = 'mypassword' cj = cookielib.CookieJar() opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cj)) login_data = urllib.urlencode({'login' : username, 'password' : password}) opener.open('http://www.ryushare.com/login.python', login_data) resp = opener.open('http://ryushare.com/file-manager.python') print resp.read() I check the source code of the login page, it said the username and password value is "login and password" so i change it. I have try some other example which can be found here like google news feed, It also can not able to login : (

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  • Java respawn process

    - by Bart van Heukelom
    I'm making an editor-like program. If the user chooses File-Open in the main window I want to start a new copy of the editor process with the chosen filename as an argument. However, for that I need to know what command was used to start the first process: java -jar myapp.jar blabalsomearguments // --- need this information Open File (fileUrl) exec("java -jar myapp.jar blabalsomearguments fileUrl"); I'm not looking for an in-process solution, I've already implemented that. I'd like to have the benefits that seperate processes bring.

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  • How can I configure my windows service in the code to access the desktop?

    - by Pankaj
    I have created an windows service. I want to open some windows based application from this service. But my windows service is unable to start desktop applications. To enable the access I had to do the following steps: Opened the administrative tool "Services" Right clicked on my service and had to select "properties" Then in the "Log On" tab, selected "Allow service to interact with desktop". After that my service can open desired windows based processes. Can I configure my windows service in the code (C#) to access the desktop so that I won't have to change the access permission manually after installation?

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