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  • Restarting explorer from a batch file only opens an explorer window

    - by Ben Hooper
    In one part of a batch file (kind of), I need to restart Explorer. I use the following method to accomplish this: taskkill /f /im explorer.exe >nul explorer.exe :: I have also tried: %winDir%\explorer.exe :: start %winDir%\explorer.exe :: start /b %winDir%\explorer.exe :: start /d %winDir%\explorer.exe (as suggested by panda-34) :: :: I've even tried delaying the above commands with: ping localhost -n 11 >nul Then this happens: explorer.exe is successfully terminated (denoted by the lack of taskbar and desktop) An explorer window opens, which I am left with indefinitely (see Image 1) I can only then restart explorer by manually starting a new process from Task Manager (Win + R doesn't respond), even though explorer.exe is actually already in the process list, strangely enough.. (see Image 2)   Now, I say "kind of" as I'm running the batch file from a self-executing SFX archive, created with WinRAR. When executed, the contents of the archive are extracted to %temp% and a user-defined bootstrapper (in this case, my batch file) is run upon successful extraction. The strangest thing about it, though, is that if you manually extract the contents of the archive and run the batch file then explorer restarts correctly. It only ever glitches when called from an SFX. I'm experiencing this glitch on Windows 7 x64.   Link to an SFX archive demonstrating this, if anyone wants it: https://dl.dropbox.com/u/27573003/Social%20Distribution/restart-explorer.exe Image 1: Image 2:

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  • MySQL Grant Problem

    - by Joel Dare
    Why might the following grant statement fail to work? grant all on kylie.* to 'kylie'@'localhost' identified by 'foo'; Here's the complete output. $ mysql -A Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 63 Server version: 5.1.37 Source distribution Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> show databases like 'kylie%'; +-------------------+ | Database (kylie%) | +-------------------+ | kylie | +-------------------+ 1 row in set (0.00 sec) mysql> grant all on kylie.* to 'kylie'@'localhost' identified by 'foo'; Query OK, 0 rows affected (0.02 sec) mysql> exit Bye $ mysql -u kylie ERROR 1045 (28000): Access denied for user 'kylie'@'localhost' (using password: YES) It seems that these grant options get me every time. I think I have them memorized and the docs seem to check out too, but they often fail to work. What am I missing?

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  • Why does division yield a vastly different result than multiplication by a fraction in floating points.

    - by Avram
    I understand why floating point numbers can't be compared, and know about the mantissa and exponent binary representation, but I'm no expert and today I came across something I don't get: Namely lets say you have something like: float denominator, numerator, resultone, resulttwo; resultone = numerator / denominator; float buff = 1 / denominator; resulttwo = numerator * buff; To my knowledge different flops can yield different results and this is not unusual. But in some edge cases these two results seem to be vastly different. To be more specific in my GLSL code calculating the Beckmann facet slope distribution for the Cook-Torrance lighitng model: float a = 1 / (facetSlopeRMS * facetSlopeRMS * pow(clampedCosHalfNormal, 4)); float b = clampedCosHalfNormal * clampedCosHalfNormal - 1.0; float c = facetSlopeRMS * facetSlopeRMS * clampedCosHalfNormal * clampedCosHalfNormal; facetSlopeDistribution = a * exp(b/c); yields very very different results to float a = (facetSlopeRMS * facetSlopeRMS * pow(clampedCosHalfNormal, 4)); facetDlopeDistribution = exp(b/c) / a; Why does it? The second form of the expression is problematic. If I say try to add the second form of the expression to a color I get blacks, even though the expression should always evaluate to a positive number. Am I getting an infinity? A NaN? if so why?

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  • Calculating Nearest Match to Mean/Stddev Pair With LibSVM

    - by Chris S
    I'm new to SVMs, and I'm trying to use the Python interface to libsvm to classify a sample containing a mean and stddev. However, I'm getting nonsensical results. Is this task inappropriate for SVMs or is there an error in my use of libsvm? Below is the simple Python script I'm using to test: #!/usr/bin/env python # Simple classifier test. # Adapted from the svm_test.py file included in the standard libsvm distribution. from collections import defaultdict from svm import * # Define our sparse data formatted training and testing sets. labels = [1,2,3,4] train = [ # key: 0=mean, 1=stddev {0:2.5,1:3.5}, {0:5,1:1.2}, {0:7,1:3.3}, {0:10.3,1:0.3}, ] problem = svm_problem(labels, train) test = [ ({0:3, 1:3.11},1), ({0:7.3,1:3.1},3), ({0:7,1:3.3},3), ({0:9.8,1:0.5},4), ] # Test classifiers. kernels = [LINEAR, POLY, RBF] kname = ['linear','polynomial','rbf'] correct = defaultdict(int) for kn,kt in zip(kname,kernels): print kt param = svm_parameter(kernel_type = kt, C=10, probability = 1) model = svm_model(problem, param) for test_sample,correct_label in test: pred_label, pred_probability = model.predict_probability(test_sample) correct[kn] += pred_label == correct_label # Show results. print '-'*80 print 'Accuracy:' for kn,correct_count in correct.iteritems(): print '\t',kn, '%.6f (%i of %i)' % (correct_count/float(len(test)), correct_count, len(test)) The domain seems fairly simple. I'd expect that if it's trained to know a mean of 2.5 means label 1, then when it sees a mean of 2.4, it should return label 1 as the most likely classification. However, each kernel has an accuracy of 0%. Why is this? On a side note, is there a way to hide all the verbose training output dumped by libsvm in the terminal? I've searched libsvm's docs and code, but I can't find any way to turn this off.

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  • ELF: linking: Why do I get undefined references in .so files

    - by ki.lya.online.fr
    Hi, I'm trying to build a program against wxWidgets, and I get a linker error. I'd like to really understand what it means. The error is: /usr/lib/libwx_baseu-2.8.so: undefined reference to `std::ctype<char>::_M_widen_init() const@GLIBCXX_3.4.11' What I don't understand is why the error is at libwx_baseu-2.8.so. I thought that .so files had all its symbols resolved, contrary to .o files that still need linking. When I ldd the .so, I get can resolve all its linked libraries, so there is no problem there: $ ldd /usr/lib/libwx_baseu-2.8.so linux-gate.so.1 => (0x00476000) libz.so.1 => /lib/libz.so.1 (0x00d9c000) libdl.so.2 => /lib/libdl.so.2 (0x002a8000) libm.so.6 => /lib/libm.so.6 (0x00759000) libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x002ad000) libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x0068d000) libpthread.so.0 => /lib/libpthread.so.0 (0x006f0000) libc.so.6 => /lib/libc.so.6 (0x00477000) /lib/ld-linux.so.2 (0x007f6000) Does it means that the .so file was not compiled correctly (in that case, it's a bug in my distribution package) or does it means that there are missing libraries on the linker command line for my particular program? Additionally, do you know how I can get a list on undefined symbols in an ELF file. I tried readelf -s but I can't find the missing symbol. Thank you. Mildred

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  • Com server build using Python on 64-bit Windows 7 machine

    - by Vijayendra Bapte
    Original post is here: http://mail.python.org/pipermail/python-win32/2010-December/011011.html I am using: OS: 64 bit Windows 7 Professional Python: python-2.7.1.amd64 Python win32 extensions: pywin32-214.win-amd64-py2.7 Py2exe: py2exe-0.6.9.win64-py2.7.amd64 I am trying to build icon overlay for Windows. It has worked fine on 32 bit Windows but not working on 64 bit Windows 7. Here are the Python modules I have created for testing: test_icon_overlay.py: ( http://mail.python.org/pipermail/python-win32/attachments/20101229/bb8c78a4/attachment-0002.obj ) com server created in Python for icon overlay which adds check mark overlay icon(C:\icons\test.ico) on "C:\icons" folder setup_VI.py: ( http://mail.python.org/pipermail/python-win32/attachments/20101229/bb8c78a4/attachment-0003.obj ) setup file which creates test_icon_overlay.dll for distribution. icons.zip: ( http://mail.python.org/pipermail/python-win32/attachments/20101229/bb8c78a4/attachment-0001.zip ) for testing you should extract icons.zip inside C:\ Icon overlay appears on C:\icons folder when I execute python test_icon_overlay.py on Windows command prompt and restarts explorer.exe. But its not working with the dll file created using setup_VI.py I have created dll file using python setup_VI.py py2exe and then tried to register it using regsvr32 test_icon_overlay.dll. Registration fails with windows error message Error 0x80040201 while registering shell extension. Then I turned on logger in Python27/Lib/site-packages/py2exe/boot_com_servers.py and here is the traceback which I am getting in comerror.txt on regsvr32 test_icon_overlay.dll PATH is ['C:\\root\\avalon\\module\\sync\\python\\src\\dist\\library.zip'] Traceback (most recent call last): File "boot_com_servers.py", line 37, in <module> pywintypes.error: (126, 'GetModuleFileName', 'The specified module could not be found.') Traceback (most recent call last): File "<string>", line 1, in <module> NameError: name 'DllRegisterServer' is not defined Looks like there might be a problem with win32api.GetModuleFileName(sys.frozendllhandle) or with the dll build on 64-bit Windows 7. Also, I saw that installation of pywin32-214.win-amd64-py2.7 on 64-bit Windows 7 finish with the error message: Snapshot close failed in file object destructor: sys.excepthook is missing lost sys.stderr Is there anything which I am doing wrong? Any help on this is highly appreciated.

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  • "Work stealing" vs. "Work shrugging (tm)"?

    - by John
    Why is it that I can find lots of information on "work stealing" and nothing on a "work shrugging(tm)" as a load-balancing strategy? I am surprised because work-stealing seems to me to have an inherent weakness when implementating efficient fine-grained load-balancing. Vis:- Relying on consumer processors to implement distribution (by actively stealing) begs the question of what these processors do when they find no work? None of the work-stealing references and implementations I have come across so far address this issue satisfactorarily for me. They either:- 1) Manage not to disclose what they do with idle processors! [Cilk] (?anyone know?) 2) Have all idle processors sleep and wake periodically and scatter messages to the four winds to see if any work has arrived [e.g. JAWS] (= way too latent & inefficient for me). 3) Assume that it is acceptable to have processors "spinning" looking for work ( = non-starter for me!) Unless anyone thinks there is a solution for this I will move on to consider a "Work Shrugging(tm)" strategy. Having the task-producing processor distribute excess load seems to me inherently capable of a much more efficient implementation. However a quick google didn't show up anything under the heading of "Work Shrugging" so any pointers to prior-art would be welcome. tx Tags I would have added if I was allowed to [work-stealing]

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  • WinForms Load Event / Static Initialization Strangeness

    - by Eric J.
    Background I'm troubleshooting an WinForms 2.0 program that's already been burned to CD for distribution to an internet-challenged target audience. Some users are experiencing a fatal error that I can reproduce locally. Reproducing the Error I get the fatal error when I log into my Vista box using a standard user that I just created, even if I run the program as administrator. I do not get the fatal error when I log in as local administrator. I'm not sure that being administrator is necessarily the trigger (since runas did not help). I have reproduced this half a dozen times under each account with consistent results. The faulty code Base.cs (base class for several user controls, only one of which is shown on first screen) private void BaseWindow_Load(object sender, EventArgs e) { // This message shown once in both cases MessageBox.Show("BaseWindow_Load for " + this.GetType().FullName); SkinManager.ApplySkin(this); } SkinManager.cs private static Skin skin = null; public static void ApplySkin(UserControl applyTo) { if (skin == null) { skin = new Skin(SkinsDirectory, "Default"); } } Skin.cs internal Skin(string skinPath, string skinName) { config = SkinConfig.Load(path); } SkinConfig.cs public static SkinConfig Load(string path) { // This message shown only once running as Admin but twice running as standard user System.Windows.Forms.MessageBox.Show("@1"); // !!! LOCK path HERE !!! } A user control loads on the first form, which triggers a call to SkinManager.ApplySkin, which checks if skin is null and, if so assigns it (without thread synchronization or recursion protection), which ultimately causes a file to be opened. When logged in as local admin, that sequence completes just fine. When logged in as my test standard user, ApplySkin is always called a second time while skin is still null, causing a second attempt to load, causing the file to be locked on the second attempt. The error handling is draconian at this point and the program terminates. The Question While this code can be easily fixed, I would like to understand why the error is happening only in some cases.

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  • PostgreSQL: Auto-partition a table

    - by Adam Matan
    Hi, I have a huge database which holds pairs of numbers (A,B), each ranging from 0 to 10,000 and stored as floats. e.g., (1, 9984.4), (2143.44, 124.243), (0.55, 0), ... Since the PostgreSQL table which stores these pairs grew quite large, I have decided to partition it into inheriting sub-tables. I intend to create 100 such tables, each storing a range of 1000x1000. The problem is that these numbers tend to come in large chunks of nearby numbers. It means that in the future, some tables will be nearly empty and some will hold a very large portion of the database. Unfortunately, the distribution of future pairs is yet unknown. I am looking for a way to automatically repartition my table. That means that if a certain subtable holds more than a specific number of pairs, it will be automatically partitioned into four sub-sub tables, and so on. My questions are: Is recursive partitioning and inheritance possible in PostgreSQL 8.3? Will indexes and query plans understand it? What's the best way to split a subtable once it grew too large? I should point out that this isn't a live database, so a downtime of few hours every week is totally acceptable. Thanks in advance, Adam

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  • How can I build something like Amazon S3 in Perl?

    - by Joel G
    I am looking to code a file storage application in perl similar to amazon s3. I already have a amazon s3 clone that I found online called parkplace but its in ruby and is old also isn't built for high loads. I am not really sure what modules and programs I should use so id like some help picking them out. My requirements are listed below (yes I know there are lots but I could start simple then add more once I get it going): Easy API implementation for client side apps. (maybe REST (?) Centralized database server for the USERDB (maybe PostgreSQL (?). Logging of all connections, bandwidth used, well pretty much everything to a centralized server (maybe PostgreSQL again (?). Easy server side configuration (config file(s) stored on the servers). Web based control panel for admin(s) and user(s) to show logs. (could work just running queries from the databases) Fast High Uptime Low memory usage Some sort of load distribution/load balancer (maybe a dns based or pound or perlbal or something else (?). Maybe a cache of some sort (memcached or parlbal or something else (?). Thanks in advance

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  • Problem with libcurl cookie engine

    - by Seb Rose
    [Cross-posted from lib-curl mailing list] I have a single threaded app (MSVC C++ 2005) build against a static LIBCURL 7.19.4 A test application connects to an in house server & performs a bespoke authentication process that includes posting a couple of forms, and when this succeeds creates a new resource (POST) and then updates the resource (PUT) using If-Match. I only use a single connection to libcurl (i.e. only one CURL*) The cookie engine is enabled from the start using curl_easy_setopt(CURLOPT_COOKIEFILE, "") The cookie cache is cleared at the end of the authentication process using curl_easy_setopt(CURLOPT_COOKIELIST, "SESS"). This is required by the authentication process. The next call, which completes a successful authentication, results in a couple of security cookies being returned from the server - they have no expiry date set. The server (and I) expect the security cookies to then be sent with all subsequent requests to the server. The problem is that sometimes they are sent and sometimes they aren't. I'm not a CURL expert, so I'm probably doing something wrong, but I can't figure out what. Running the test app in a loop results shows a random distribution of correct cookie handling. As a workaround I've disabled the cookie engine and am doing basic manual cookie handling. Like this it works as expected, but I'd prefer to use the library if possible. Does anyone have any ideas? Thanks Seb

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  • How do I build BugTrap?

    - by magnifico
    I am trying to build the Itellesoft BugTrap source using Visual Studio 2008. I have downloaded and unziped the BugTrap source and the zlib source. I navigated down to ./BugTrap/Win32/BugTrap and opened BugTrap.sln (suggest by the author here). I used Build-Build Solution and the build failed with a compiler error: fatal error C1083: Cannot open include file: 'zip.h': No such file or directory I opened the project properties and added the path to the zlib-vc/zlib/include folder to the list of "Additional Include Directories" and tried to build again. The second build attempt failed with a linker error: fatal error LNK1104: cannot open file 'zlibSD.lib' I opened the zlib project and built the source. The zlib build succeeded. However, the bin directory does not contain a zlibSD.lib. The closest file in name is zlibMSD.lib. This poster on CodeProject seemed to have the same problem I did. But there is no resolution posted. Hopefully someone out there has experience building this project and can point me in the right direction, I've played with the binary distribution and it seems really slick.

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  • Error doing an MSBuild on a CLR Storedprocedure project on Build Server

    - by CraftyFella
    Hi, When building a CLR Storedprocedure Project using MSBuild on our build server (Team City) we're getting the following error: error MSB4019: The imported project "C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\SqlServer.targets" was not found. Confirm that the path in the declaration is correct, and that the file exists on disk I've checked to see if the file exists on disk and sure enough it doesn't. I've checked on my own machine and it does exist. I don't really want to start copying over files manually to the build server. Here's the line from the csproj file which is being imported to the proj file: <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" /> <Import Project="$(MSBuildToolsPath)\SqlServer.targets" /> Here's the line from the proj file which is begin run by our Team City Server: <Import Project="..\$(ProjectName).csproj"/> My question is really: Where does this file comes from? Is it part of the Visual Studio install for example.. Or is there some re-distribution package somewhere to allow me to compile this project on our build server? Thanks BTW.. if i just copy the file onto the Build server it does actually work. Dave

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  • Redirect C++ std::clog to syslog on Unix

    - by kriss
    I work on Unix on a C++ program that send messages to syslog. The current code uses the syslog system call that works like printf. Now I would prefer to use a stream for that purpose instead, typically the built-in std::clog. But clog merely redirect output to stderr, not to syslog and that is useless for me as I also use stderr and stdout for other purposes. I've seen in another answer that it's quite easy to redirect it to a file using rdbuf() but I see no way to apply that method to call syslog as openlog does not return a file handler I could use to tie a stream on it. Is there another method to do that ? (looks pretty basic for unix programming) ? Edit: I'm looking for a solution that does not use external library. What @Chris is proposing could be a good start but is still a bit vague to become the accepted answer. Edit: using Boost.IOStreams is OK as my project already use Boost anyway. Linking with external library is possible but is also a concern as it's GPL code. Dependencies are also a burden as they may conflict with other components, not be available on my Linux distribution, introduce third-party bugs, etc. If this is the only solution I may consider completely avoiding streams... (a pity).

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  • Windows with Plesk Panel installs ActiveState Python 2.5.0 - any thoughts?

    - by B Mahoney
    I expect to run Pylons on a Windows Server 2003 and IIS 6 on a Virtual Private Server (VPS). Most work with the VPS is done through the Plesk 8.6 panel. The Plesk panel has a lot of maintenance advantages for us. However, this Plesk configuration installs ActiveState Python 2.5.0. The Parallels Plesk documents for 8.6 and version 9 insist that only this configuration should be installed. I'm not eager to settle for the baseline 2.5.0. but don't see any safe upgrade path. How has ActiveState Python 2.5.0 been for other users? Can you replace the Parallels\Plesk\Additional\Python with another distribution? I don't want to break Plesk, please. Previously, I followed these instructions, Serving a Pylons app with IIS - Pylons Cookbook Using the default web site IP address, I had Python 2.6.3 installing the ISAPI-WSGI dll in IIS so that I successfully ran Pylons in a virutalenv through IIS using the IP address, no domain name. I would be so happy if I could run this successful configuration for my domains while I must use Plesk. Tips and solutions appreciated.

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  • Updating permissions on Amazon S3 files that were uploaded via JungleDisk

    - by Simon_Weaver
    I am starting to use Jungle Disk to upload files to an Amazon S3 bucket which corresponds to a Cloudfront distribution. i.e. I can access it via an http:// URL and I am using Amazon as a CDN. The problem I am facing is that Jungle Disk doesn't set 'read' permissions on the files so when I go to the corresponding URL in a browser I get an Amazon 'AccessDenied' error. If I use a tool like BucketExplorer to set the ACL then that URL now returns a 200. I really really like the simplicity of dragging files to a network drive. JungleDisk is the best program I've found to do this reliably without tripping over itself and getting confused. However it doesn't seem to have an option to make the files read-able. I really don't want to have to go to a different tool (especially if i have to buy it) to just change the permissions - and this seems really slow anyway because they generally seem to traverse the whole directory structure. JungleDisk provides some kind of 'web access' - but this is a paid feature and I'm not sure if it will work or not. S3 doesn't appear to propagate permissions down which is a real pain. I'm considering writing a manual tool to traverse my tree and set everything to 'read' but I'd rather not do this if this is a problem someone else has already solved.

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  • Trouble understanding the whole OSGi web eco system

    - by Jens
    Hello, I am pretty new to the whole Java and OSGi world and I have trouble understanding the eco system of a OSGi web application. To be more precise I am at the moment trying to understand how all the parts of the eco system are related to each other: OSGi Framework (e.g. Apache Felix, Equinox, Knoplerfish) OSGi Runtime (e.g. Spring DM Server, Pax Runner, Apache Karaf) Web Extender (e.g. Pax Web Extender, Spring Web Extender) Web Container (e.g. Apache Tomcat, Jetty) To give you a visual representation of my actual understanding of their relationship check out this image: As far as I know the OSGi Framework is a implementation of the OSGi specification. The runtime is a distribution which adds additional functionality on top of the OSGi specification like logging for instance. Since there seem to be some differences in the classpath mechanism of OSGi and web containers like Tomcat you need some kind of translator. This part is handled by the "Web Extender". Would you please clarify this whole thing for me? Am I understanding everything correct?

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  • wamp cannot load mysqli extension

    - by localhost
    WAMP installed fine, no problems, BUT... When going to phpMyAdmin, I get the error from phpMyAdmin as follows: "Cannot load mysqli extension. Please check your PHP configuration". Also, phpMyAdmin documentation explains this error message as follows: "To connect to a MySQL server, PHP needs a set of MySQL functions called "MySQL extension". This extension may be part of the PHP distribution (compiled-in), otherwise it needs to be loaded dynamically. Its name is probably mysql.so or php_mysql.dll. phpMyAdmin tried to load the extension but failed. Usually, the problem is solved by installing a software package called "PHP-MySQL" or something similar." Finally, the apache_error.log file has the following PHP warnings (see the mySQL warning): PHP Warning: Zend Optimizer does not support this version of PHP - please upgrade to the latest version of Zend Optimizer in Unknown on line 0 PHP Warning: Zend Platform does not support this version of PHP - please upgrade to the latest version of Zend Platform in Unknown on line 0 PHP Warning: Zend Debug Server does not support this version of PHP - please upgrade to the latest version of Zend Debug Server in Unknown on line 0 PHP Warning: gd wrapper does not support this version of PHP - please upgrade to the latest version of gd wrapper in Unknown on line 0 PHP Warning: java wrapper does not support this version of PHP - please upgrade to the latest version of java wrapper in Unknown on line 0 PHP Warning: mysql wrapper does not support this version of PHP - please upgrade to the latest version of mysql wrapper in Unknown on line 0 So, for some reason PHP is not recognizing the mysql extension. Anyone know why? Any solution or workaround?

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  • ISP Config 3 - squirrel login error & how to add an smtp server for sending mails

    - by A Prasetyo
    Hi, Case #1: I have ISPConfig3 running, sending email through telnet server.mydomain.com 25 are possible. Receiving email also possible. BUT!! problem occurs when I try to login to squirrel... I've been awaken for 2 days now and still couldn't figured out why logging in into squirrel always having an error: ERROR: Connection dropped by IMAP server. here is the /var/log/mail.log: Jun 3 00:23:27 server-01 imapd: Connection, ip=[::ffff:127.0.0.1] Jun 3 00:23:27 server-01 imapd: chdir /var/vmail/mydomain.com/info: Permission denied Jun 3 00:23:27 server-01 imapd: [email protected]: Permission denied I did chmod 777 & still doesn't work, only another message appeared Jun 3 00:24:28 server-01 imapd: Connection, ip=[::ffff:127.0.0.1] Jun 3 00:24:28 server-01 imapd: [email protected]: Account's mailbox directory is not owned by the correct uid or gid Try to do telnet to IMAP port telnet mydomain.com 143 Trying 63.105.102.48... Connected to mydomain.com. Escape character is '^]'. OK [CAPABILITY IMAP4rev1 UIDPLUS CHILDREN NAMESPACE THREAD=ORDEREDSUBJECT THREAD=REFERENCES SORT QUOTA IDLE ACL ACL2=UNION STARTTLS] Courier-IMAP ready. Copyright 1998-2008 Double Precision, Inc. See COPYING for distribution information. login [email protected] mypassword login NO Error in IMAP command received by server. and give no result... -_- I checked mysql.sock, I checked username and password in mysql db, everything is correct.. anyone can help? PLEASE?! Case #2: Does anyone know how to set or to view SMTP settings in ISPConfig 3? thank you..

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  • iPhone developer cert not associating with Provisioning Profiles

    - by baudot
    I'm seeing the dreaded "Code Sign error: The identity 'iPhone Developer' doesn't match any valid certificate/private key pair in the default keychain" error. Strange, as it used to work. Not sure what changed. A few of the symptoms I've noticed beyond this: In the project info, for Code Signing Identity, instead of saying "iPhone Developer: My Name Here", it only says "iPhone Developer", followed by a list of grayed out Provisioning Profiles with the error message "profile doesn't match any valid certificate/private key pair in the keychain." In the organizer, if I click the "Developer Profile" sidebar entry, it shows one entry in the "Identities" pane, "iPhone Distribution: My Name Here". However, no profiles show in the Provisioning Profiles pane. In the organizer, if I click the "Provisioning Profiles" sidebar entry, for each of the profiles there it reports "A valid signing identity matching this profile could not be found in your keychain." I've tried a handful of the usual folk cures for this ailment, without success so far, such as: Cleared my old keypairs and expired developer identity cert out of the keychain. Deleted my old developer profile, created a new one, and regenerated the provisioning profile after. Reconfirmed: The App ID on the provisioning portal for this app is a pure wildcard ID. (The "Bundle Identifier" in the info.plist is just the appname, no reversed domain prefix.) Restored my iPhone. Overstalled the latest version of Xcode.

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  • How can I test that my hash function is good in terms of max-load?

    - by philcolbourn
    I have read through various papers on the 'Balls and Bins' problem and it seems that if a hash function is working right (ie. it is effectively a random distribution) then the following should/must be true if I hash n values into a hash table with n slots (or bins): Probability that a bin is empty, for large n is 1/e. Expected number of empty bins is n/e. Probability that a bin has k collisions is <= 1/k!. Probability that a bin has at least k collisions is <= (e/k)**k. These look easy to check. But the max-load test (the maximum number of collisions with high probability) is usually stated vaguely. Most texts state that the maximum number of collisions in any bin is O( ln(n) / ln(ln(n)) ). Some say it is 3*ln(n) / ln(ln(n)). Other papers mix ln and log - usually without defining them, or state that log is log base e and then use ln elsewhere. Is ln the log to base e or 2 and is this max-load formula right and how big should n be to run a test? This lecture seems to cover it best, but I am no mathematician. http://pages.cs.wisc.edu/~shuchi/courses/787-F07/scribe-notes/lecture07.pdf BTW, with high probability seems to mean 1 - 1/n.

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  • Neural Network with softmax activation

    - by Cambium
    This is more or less a research project for a course, and my understanding of NN is very/fairly limited, so please be patient :) ============== I am currently in the process of building a neural network that attempts to examine an input dataset and output the probability/likelihood of each classification (there are 5 different classifications). Naturally, the sum of all output nodes should add up to 1. Currently, I have two layers, and I set the hidden layer to contain 10 nodes. I came up with two different types of implementations 1) Logistic sigmoid for hidden layer activation, softmax for output activation 2) Softmax for both hidden layer and output activation I am using gradient descent to find local maximums in order to adjust the hidden nodes' weights and the output nodes' weights. I am certain in that I have this correct for sigmoid. I am less certain with softmax (or whether I can use gradient descent at all), after a bit of researching, I couldn't find the answer and decided to compute the derivative myself and obtained softmax'(x) = softmax(x) - softmax(x)^2 (this returns an column vector of size n). I have also looked into the MATLAB NN toolkit, the derivative of softmax provided by the toolkit returned a square matrix of size nxn, where the diagonal coincides with the softmax'(x) that I calculated by hand; and I am not sure how to interpret the output matrix. I ran each implementation with a learning rate of 0.001 and 1000 iterations of back propagation. However, my NN returns 0.2 (an even distribution) for all five output nodes, for any subset of the input dataset. My conclusions: o I am fairly certain that my gradient of descent is incorrectly done, but I have no idea how to fix this. o Perhaps I am not using enough hidden nodes o Perhaps I should increase the number of layers Any help would be greatly appreciated! The dataset I am working with can be found here (processed Cleveland): http://archive.ics.uci.edu/ml/datasets/Heart+Disease

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  • Examples of monoids/semigroups in programming

    - by jkff
    It is well-known that monoids are stunningly ubiquitous in programing. They are so ubiquitous and so useful that I, as a 'hobby project', am working on a system that is completely based on their properties (distributed data aggregation). To make the system useful I need useful monoids :) I already know of these: Numeric or matrix sum Numeric or matrix product Minimum or maximum under a total order with a top or bottom element (more generally, join or meet in a bounded lattice, or even more generally, product or coproduct in a category) Set union Map union where conflicting values are joined using a monoid Intersection of subsets of a finite set (or just set intersection if we speak about semigroups) Intersection of maps with a bounded key domain (same here) Merge of sorted sequences, perhaps with joining key-equal values in a different monoid/semigroup Bounded merge of sorted lists (same as above, but we take the top N of the result) Cartesian product of two monoids or semigroups List concatenation Endomorphism composition. Now, let us define a quasi-property of an operation as a property that holds up to an equivalence relation. For example, list concatenation is quasi-commutative if we consider lists of equal length or with identical contents up to permutation to be equivalent. Here are some quasi-monoids and quasi-commutative monoids and semigroups: Any (a+b = a or b, if we consider all elements of the carrier set to be equivalent) Any satisfying predicate (a+b = the one of a and b that is non-null and satisfies some predicate P, if none does then null; if we consider all elements satisfying P equivalent) Bounded mixture of random samples (xs+ys = a random sample of size N from the concatenation of xs and ys; if we consider any two samples with the same distribution as the whole dataset to be equivalent) Bounded mixture of weighted random samples Which others do exist?

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  • VS2010 express beta2 - no add reference dialog, no open file/project dialogs

    - by David
    Just installed VS2010 express for Windows Phone last night. Install went smoothly. It creates a project, compiles, and deploys the app to the emulator. Here's the problem: When I try to "Add Reference" through the Project menu, I do not get the Add Reference dialog box. Same thing if I right click References in the solution explorer and click Add Reference. That's not all. "File...Open" and "File...Open Project" also fail to throw up an open file dialog box. When attempting any of these actions, the IDE quickly loses and regains focus. Even pressing a keyboard shortcut (Ctrl+O) causes the IDE to quickly lose and regain focus, but no open file dialog box appears. This is what I have tried, not particularly in this order: 1. Turned off UAC 2. Monitored file and registry access using Process Monitor during a File...Open operation. File activity showed mostly "SUCCESS" with a few "FAST IO DISALLOWED" and a few "INVALID DEVICE REQUEST" results. Registry activity showed mostly "SUCCESS" with some "NAME NOT FOUND" and a few "BUFFER OVERFLOW" results. 3. Created a new, clean Windows account to run the IDE from 4. Forced a test project to add a reference to "System.Xml.Linq" by editing the ".csproj" project file. Project failed to load in the IDE. I don't have these problems at all on 2 other Windows 7 computers with VS2010 C# express beta 2 installed. One machine is 32bit and the other 64bit, both Home Premium edition. My system: Windows 7 Home Premium, 64bit Other Visual Studio products installed: VS2008 C# express, VS2008 C++ express One other thing to note: Several months ago I installed the non-phone distribution of VS2010 C# express beta 2, and I had the same exact problems. Back then I chalked it up to being beta and went back to VS2008 C# express, where I do not have these issues.

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  • Silverlight Vs. WPF Vs. Winforms What is good for specifically my purpose?

    - by Cyril Gupta
    I am about to start a new Windows applications and the contenders for the platform are: Windows Forms WPF Silverlight Now my experience with WPF at least in my last application was not very encouraging (the app failed to run on the deployment machines and I had to re-do it in Winforms). So my confidence is shaken here. My app is for mass-distribution (the last version had some 100,000+ installations). So I want to make absolutely sure that my users will be able to use it and enjoy it without any problems. I would love to create a nice interface, going the next step like a Flex or Silverlight, iPhone app, with animations and effects. So I would really like to go with WPF or Silverlight if I can. My needs are Good support for visuals and animation effects. Support for database connectivity. Support for printing (Is there an equivalent of PrintDocument in Silverlight) Must not suffer from deployment troubles. Silverlight is universal, but does it have printing support and good controls toolset? WPF has printing support and a nice toolset, but can I depend on it? Winforms is dated already and is not so impressive, but should I go with it anyway? Your advice would be appreciated

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