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• How do I run multiple ruby scripts sequentially on my local machine?

  - by marcamillion

  I have about 5 or 6 ruby scripts I want to run, right after each other. These are all on my local machine (OS X) and won't be run on a server. Each takes about 15 minutes to run, and I don't want to have to wait for each one to finish before running the others manually. Without using something as heavy as delayed_job or some other queueing gem, how can I achieve this? Or should I go through the hassle of setting up sidekiq or something else? Thanks. P.S. It would be nice to restart the script if one of them times out (I am doing web crawling, so keeping an HTTP connection open sometimes gives me issues) - which happens occasionally.

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• How to set the locale for a process launched by CreateProcess()

  - by VoidPointer

  When launching a process with CreateProcessW(), is it possible to have the process created with a different MBCP locale/codepage then the one that is configured as the system-wide default code page? In the target process, this should have the same effect as calling _setmbcp(). The target process is not a unicode-enabled and uses a plain main(int argc, char **argv) entry point. I would like to be able to select the code page to which unicode arguments passed to CreateProcessW() are converted to be different from the system's default codepage for non-unicode programs.

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• How to bundle C/C++ code with C-shell-script?

  - by eSKay

  I have a C shell script that calls two C programs - one after the another with some file handling before, in-between and afterwards. Now, as such I have three different files - one C shell script and 2 .c files. I need to give this script to other users. The problem is that I have to distribute three files - which the users must keep in the same folder and then execute the script. Is there some better way to do this? [I know I can make one C code file out of those two... but I will still be left with a shell script and a C code. Actually, the two C codes do entirely different things... so I want them to be separate]

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• Is there a way to extract the message from a JavaScript dialog in Chrome?

  - by Samuel

  I’ve been working on an extension for automating tests in Chrome, and I came across an obscure issue with JavaScript dialogs. The message shown in the dialog can’t be readily retrieved/copied. I’ve used the GetWindowText and InternalGetWindowText functions, but they only return the title of the dialog and the text from the buttons, not the actual message itself. I even looked at programs that extract text from forms, but no luck. So does anyone know of a way to retrieve the text from these JavaScript dialogs in Chrome?

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• Apache and Rewrite Module

  - by Yvon Blais

  I created a file .htaccess in the /var/www directory., The rights are root root --wxrwxrwxr The content of the file is : Options +FollowSymlinks RewriteEngine on RewriteLogLevel 3 RewriteLog "/var/log/apache2/rewrite.log" RewriteRule ^(.*?)$ testphp.php When I call the page phpinfo.php, I've got: Loaded Modules ... mod_rewrite ... Therefore, the modules is loaded Afer each modification,I restared the server manually with sudo /etc/init.d/apache2 restart The error.log gives Apache/2.2.14 (Ubuntu) PHP/5.3.2-1ubuntu4.2 with Suhosin-Patch configured -- resuming normal operations When I call a page anyone.htm or anyone.php, the rewrite.log does contain nothing and the real page is called. If I understand, the page anyone.php should be replaced by testphp.php Did I make siomething wrong ? Thanks

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• Development life-cycle for making an application?

  - by Mohit Deshpande

  I have an idea that I want to make into an application (I have a C/C++, C#, and Java programming background so I will be developing in QT Creator for cross-compilation's sake). So now I am asking you senior developers, what should I do next? I know that all good programs come from an idea. Then what should I do? Prototype the UI? Then develop the code? Is there like a circle of the development of an application? I DO NOT MEAN FOR THIS QUESTION TO BE SUBJECTIVE OR ARGUMENTATIVE

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• Social Media Aggregator, Global Update via Powershell

  - by deanjmiller

  Does anyone know of a way to interface with a Social Media Aggregator using Powershell. For Instance, I would like to update my global status on digsby using Powershell. Digsby would then fan the message out to Facebook, Myspace, Twitter, Etc.. I am open to using any Social Media Aggregator that can do this.. Digsby, Seesmic, Ping.fm TweetDeek, etc.. If any of these programs have a com interface or something like it I'm sure who ever implements this first will have a large gain in users.

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• Ignoring (serious) errors to keep the program alive?

  - by SQuirreL bites

  One of the main things I wanted to achieve in my experimental programming language was: When errors occur (Syntax, Name, Type, etc.) keep the program running, no matter how serious or devastating it is. I know that this is probably very bad, but I just wanted something that doesn't kill itself on every error - I find it interesting what happens when a serious error occurs but the program continues. Does this "paradigm" have a name? I mean expect for How bad is it to do the above? Are there programs in use out there that just follow: "Hey, this is a fatal, unexpected error - but you know what? I don't care!"?

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• Segmentation fault when using files C++

  - by Popa Mihai

  I am using ubuntu 12.04. I have been trying a few IDE's for simple C++ school projects. However, with codelite, anjuta and kdevelop I encountered a problem: when I am trying to read / write in files I get segmentation fault: core dumped. I am using a basic source: #include<stdio.h> FILE*f=fopen("test.in","r"); FILE*g=fopen("test.out","w"); int main () { int a,b; fscanf(f,"%d %d",&a,&b); fprintf(g,"%d\n",a+b); fclose(f); fclose(g); return 0; } I have to say that programs with stdin/stdout work well. Thank you,

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• How to bundle C code in C shell script?

  - by eSKay

  I have a C shell script that calls two C programs - one after the another with some file handling before, in-between and afterwards. Now, as such I have three different files - one C shell script and 2 .c files. I need to give this script to other users. The problem is that I have to distribute three files - which the users must keep in the same folder and then execute the script. Is there some better way to do this? [I know I can make one C code file out of those two... but I will still be left with a shell script and a C code. Actually, the two C codes do entirely different things... so I want them to be separate]

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• Experience with protecting PHP code

  - by Alec Smart

  Hello, I am aware of that there are a number of code obfuscators/licensing programs for PHP. I wanted to know if anyone has actually used these and what their experience has been. Please note I do not want to know the solutions available. I want to know your experience using one of these solutions. Is it worth investing say 200$ purchasing a code obfuscator etc? I honestly would prefer something that does not have a loader etc. I know that it increases the chances of cracking, but I only want it to be a detrimental factor for them. Thank you for your time.

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• A Few Questions About QT

  - by ForgiveMeI'mAN00b

  Is it free? It looks like on the website it says "Try Now", which makes me worry that it just gives you a demo. Do you have to pay the QT company anything to distribute a program using QT, or can you just throw it (the program) out there and just say you used QT. Is it native c++, or something wierd, like, the same way .NET programs aren't actual c++, they just look like it. Would somebody who uses my program have to install the QT framework before they can run it, or will the program run without any installation? Can it easily be compiled to work on a Windows, Linux and Mac OS?

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• router gets disconnected once I terminate my SIP application

  - by TacB0sS

  Hey, Here is an interesting one, I have a SIP VoIP application which is able to register to the PBX server, and I can invite and see the user call on the callee end receiving an Invite, and on the caller end I see the Ringing response... now here is interesting part, if I close my application with out any notification to the server my router disconnects and restart, after a short while (30 - 150 sec). I could fix that if I would complete the ACK BYE process, but I'm just wondering why does my router hangs up? any ideas?

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• Windows Mobile 6.5 Running Program List Icon

  - by CNutt

  I've got an windows mobile 6.5 application I'm developing and am having trouble with one icon. At the top right hand of the screen there is an icon that, when clicked, will display a list of programs running the background with the option to close them. When my program is in this list, it's icon does not show up as the others do. I'm my exe I've got an .ico for 16x16, 22x22, 32x32, 36x36, 44x44, 45x45, 60x60, and 64x64, with the optional 90x90 png and registry setting in my cab. What am I missing?

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• What factors could cause the scalability issue on a 10-core CPU?

  - by JackWM

  I am tuning the performance of parallel Java programs. And want to check the impacts from the Architecture. I'm look into the Intel 10-core CPU, Intel(R) Xeon(R) CPU E7-L8867. I found my program only scales up to 5 cores. What could be the causes? I'm considering the Architecture effects. e.g. memory contention? More specifically, Are the 10 cores symmetric to each other? How many memory controllers does it have?

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• compiling QGIS Plugin using make

  - by user1675014

  On a fresh mac os x 10.8 install, i've Quantum GIS Installed from Kingchaos binaries and running fine. I'm trying to develop a plugin for QGIS, and using Plugin Builder. The skel that Plugin Builder, produces, should work off-the-shelf, but it does not compile using the makefile. Somewhere python can't find (pyuic.py), and it searches for (/Users/kyngchaos/...), path. This user does not exist on my system:( Here are my ENVS on .profile: export PATH=/Library/Frameworks/GDAL.framework/Programs:$PATH export PYTHONPATH=/Applications/QGIS.app/Contents/Resources/python export DYLD_LIBRARY_PATH="/Applications/QGIS.app/Contents/MacOS/lib:/Applications/Qgis.app/Contents/Frameworks" export PATH="/Applications/QGIS.app/Contents/MacOS/bin:$PATH" Here is the ouptput of make: Arthur@teste:make pyuic4 -o ui_teste.py ui_teste.ui /System/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python: can't open file '/Users/kyngchaos/Applications/qgis-python27/Applications/QGIS.app/Contents/MacOS/../Resources/python/PyQt4/uic/pyuic.py': [Errno 2] No such file or directory make: *** [ui_teste.py] Error 2 thanks for reading.

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• Stopping and Starting Apache Using PHP (!)

  - by Abs

  Hello all, I have two problems which are related. 1) I have a batch file that contains this: net stop wampapache net start wampapache Which tries to stop and start my wamp server. When I double click the stop.bat file with the above it works successfully. When I try to run that from my PHP script, it stops the server but doesn't start it fully which I am guessing is because Apache is waiting for that PHP process to exit? function php_kill(){ exec('stop.bat', $output = array(), $return); return $return; } 2) Is there a way to restart my webserver (apache) whilst keeping session variables that PHP needs available? Thanks all

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• An error occurred loading a configuration file: Failed to start monitoring changes because the netwo

  - by Josh Stodola

  This error just started happening this morning in one particular project. When I try to publish the site it gives me this error and I can't complete the publish! Sometimes restarting Visual Studio magically fixes the problem, but it will just appear again later. Not only that, when I restart VS I lose all my "undo capabilities". There is a KB article on the subject, but it did not help. What can I do to stop this very annoying problem once and for all?

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• Why is 'using namespace std;' considered a bad practice in C++?

  - by Mana

  Okay, sorry for the simplistic question, but this has been bugging me ever since I finished high school C++ last year. I've been told by others on numerous occasions that my teacher was wrong in saying that we should have "using namespace std;" in our programs, and that std::cout and std::cin are more proper. However, they would always be vague as to why this is a bad practice. So, I'm asking now: Why is "using namespace std;" considered bad? Is it really that inefficient, or risk declaring ambiguous vars(variables that share the same name as a function in std namespace) that much? Or does this impact program performance noticeably as you get into writing larger applications? I'm sorry if this is something I should have googled to solve; I figured it would be nice to have this question on here regardless in case anyone else was wondering.

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• How to start up your .NET program from web browser?

  - by Ole Jak

  Could you provide example of JavaScript function for starting up application installed on your computer from a web browser (eg google chrome 4). It particular if .Net APPs have any special simplifying this process apis of out there are some libs for such staff, please share link with us. so how to create and store in run on start up programs a small local server which would handel some local urls like http://localhost/maAppServer/MyAppCalculator/Start for starting apps that have written in its config file their names and local urls on install? So how to start up your C# .NET app\program from web browser?

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• c++: truth assignment warning with arguments?

  - by John

  I use the following to work with arguments in my programs, but it seems to just hand me a warning (just a warning): "warning: suggest parentheses around assignment used as truth value" The beginning of the code is as follows: enum{OPT_DISP_H = 0x2, OPT_DISP_W = 0x1}; int main(int argc, char *argv[]) { int opt = 0x00; char c; while((++argv)[0] && argv[0][0]=='-'){ while(c =* ++argv[0]) switch(c){ case 'h': opt |= OPT_DISP_H; break; //etc.. The while(c =* ++argv[0]) part being where the warning persists. The code works fine, but what does this warning mean opposed to what is used? I think the code is c = *++argv[0], using the pointer. So why does the single = work and what is really recommended to be used?

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• Visual Studio not debugging

  - by mezillinu

  Hi guys I have a problem that has lately being bugging me on 2 different computers What is happening is that I press F5, to compile my website, the website loads, but I cannot debug! Its like I am not running the website from visual studio at all. And then sometimes I restart my PC, and it comes back to normal. I have no idea what is the problem, and I have looked up this issue for quite a while now, but to no avail... Can somebody shed some light on this? I have no clue what is happening here Thanks

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• T-SQL Getting duplicate rows returned

  - by cBlaine

  The following code section is returning multiple columns for a few records. SELECT a.ClientID,ltrim(rtrim(c.FirstName)) + ' ' + case when c.MiddleName <> '' then ltrim(rtrim(c.MiddleName)) + '. ' else '' end + ltrim(rtrim(c.LastName)) as ClientName, a.MISCode, b.Address, b.City, dbo.ClientGetEnrolledPrograms(CONVERT(int,a.ClientID)) as Abbreviation FROM ClientDetail a JOIN Address b on(a.PersonID = b.PersonID) JOIN Person c on(a.PersonID = c.PersonID) LEFT JOIN ProgramEnrollments d on(d.ClientID = a.ClientID and d.Status = 'Enrolled' and d.HistoricalPKID is null) LEFT JOIN Program e on(d.ProgramID = e.ProgramID and e.HistoricalPKID is null) WHERE a.MichiganWorksData=1 I've isolated the issue to the ProgramEnrollments table. This table holds one-to-many relationships where each ClientID can be enrolled in many programs. So for each program a client is enrolled in, there is a record in the table. The final result set is therefore returning a row for each row in the ProgramEnrollments table based on these joins. I presume my join is the issue but I don't see the problem. Thoughts/Suggestions? Thanks, Chuck

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• Writing Strings to files in python

  - by Leif Andersen

  I'm getting the following error when trying to write a string to a file in pythion: Traceback (most recent call last): File "export_off.py", line 264, in execute save_off(self.properties.path, context) File "export_off.py", line 244, in save_off primary.write(file) File "export_off.py", line 181, in write variable.write(file) File "export_off.py", line 118, in write file.write(self.value) TypeError: must be bytes or buffer, not str I basically have a string class, which contains a string: class _off_str(object): __slots__ = 'value' def __init__(self, val=""): self.value=val def get_size(self): return SZ_SHORT def write(self,file): file.write(self.value) def __str__(self): return str(self.value) Furthermore, I'm calling that class like this: def write(self, file): for variable in self.variables: variable.write(file) I have no idea what is going on. I've seen other python programs writing strings to files, so why can't this one? Thank you very much for your help.

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• How it is called when write or read return less that requested?

  - by Vi

  What term should I use to describe situations (or bugs in software) caused by read, write, send, recv doing less work than expected? For example, write(fd, "123456", 6); may return 3 and we need to write "456" to finish our work. I expect any good program should do all their reads and writes in a loop until without relying that write will write everything. Am I right? /* Implemented simple FUSE filesystem which only allows reading and writing with small buffers, very often returning that it is written less bytes that in a buffer. Some programs work, some not. Are them buggy? */

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