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  • 2011 Tech Goal Review

    - by kerry
    A year ago I wrote a post listing my professional goals for 2011.  I thought I would review them and see how I did. Release an Android app to the marketplace – Didn’t do it.  In fact, haven’t really touched Android much since I wrote that.  I still have some ideas but am not sure if I will get around to it. Contribute free software to the community – I did do this.  I have been collaborating with others via github more lately. Regularly attend a user group meetings outside of Java – Did not do this.  Family life being what it is makes this not that much of a priority right now. Obtain the Oracle Certified Web Developer Certification – Did not do this.  This is not much of a priority to me any more. Learn scala – I am about 50/50 on this one.  I read a few scala books but did not write an actual application. Write an app using JSF – Did not do this.  Still interested. Present at a user group meeting – I did a Maven presentation at the Java user group. Use git more, and more effectively – Definitely did this.  Using it on a daily basis now. Overall, I got about halfway on my goals.  It’s not too bad since I did do a few things that weren’t on my list. Learned to develop applications using GWT and deploy them to Google App Engine Converted one of my sites from PHP to Ruby / Sinatra (learning to use it in the process) Studied up on the HTML 5 features and did a lot of Javascript development

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  • ASP.NET HTTPHandler not throwing exception when one is expected

    - by josephj1989
    I have an HttpHandler class (implements IHttphandler) where the path defined for the handler in web.config is *.jpg. I am requesting a Jpg image in my page. Within the HTTP Handler I am writing to a file in the filesystem. By mistake I was trying to write to a non existant directory. This should have thrown an exception but the execution simply proceeds.Ofcourse no file is written. But if I give a proper directory the file is written correctly.Is there anything special about HttpHandler Exceptions. See part of the code public void ProcessRequest(HttpContext context){ File.WriteAllLines(context.Request.ApplicationPath+@"\"+"resul.log",new string[]{"Entered JPG Handler"}); If I put a breakpoint on the File.WriteAllLines statement and then step over it I can see an exception occurring.

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  • Is it bad programming style to have a single, maybe common, generic exception?

    - by m0s
    Hi, so in my program I have parts where I use try catch blocks like this try { DirectoryInfo dirInfo = new DirectoryInfo(someString); //I don't know if that directory exists //I don't know if that string is valid path string... it could be anything //Some operations here } catch(Exception iDontCareWhyItFailed) { //Didn't work? great... we will say: somethings wrong, try again/next one } Of course I probably could do checks to see if the string is valid path (regex), then I would check if directory exists, then I could catch various exceptions to see why my routine failed and give more info... But in my program it's not really necessary. Now I just really need to know if this is acceptable, and what would a pro say/think about that. Thanks a lot for attention.

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  • perl hashes - comparing keys and values

    - by Aaron Moodie
    I've been reading over the perl doc, but I can't quite get my head around hashes. I'm trying to find if a hash key exists, and if so, compare is't value. The thing that is confusing me is that my searches say that you find if a key exists by if (exists $files{$key}) , but that $files{$key} also gives the value? the code i'm working on is: foreach my $item(@new_contents) { next if !-f "$directory/$item"; my $date_modified = (stat("$directory/$item"))[9]; if (exists $files{$item}) { if ($files{$item} != $date_modified { $files{$item} = $date_modified; print "$item has been modified\n"; } } else { $files{$item} = $date_modified; print "$item has been added\n"; } }

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  • Welcome to the newly merged JCP EC!

    - by Heather VanCura
    As part of the JCP.Next effort, the second JSR as part of the JCP program reforms, JSR 355, Executive Committee (EC) Merge, will take effect on Tuesday as JCP 2.9. The first in the effort was JSR 348, which took effect as JCP 2.8 in October 2011. EC members guide the evolution of the Java technologies by approving and voting on all technology proposals (Java Specification Requests, or JSRs). They are also responsible for defining the JCP's rules of governance and the legal agreement between members and the organization. They provide guidance to the Program Management Office (PMO) and they represent the interests of the JCP to the broader community. Starting on Tuesday, 13 November, JCP 2.9 is in effect, and the EC is merged from two ECs -- one representing Java SE/EE and one representing Java ME -- to one merged EC. IBM and Oracle each gave up one of their two seats (one per EC) and the terms expired for four members who did not run for re-election: AT&T, Deutsch Telekom, Siemens and Vodafone. All four remain JCP members. In addition, the seat occupied by RIM was forfeited due to lack of participation in October 2012. The JCP values the organizations and representatives for their contribution to the JCP EC, and looks forward to their continued participation in the JCP Program. The complete listing of the EC, 24 members total at the moment, is now available. We asked the two newcomers to the EC, Cinterion and CloudBees, and the re-elected London Java Community, to comment on their plans for their term in the EC. Read about their plans in the article published on JCP.org, "JCP 2.9 with a Merged EC Takes Effect 13 November". Also, plan to attend the public (open to all community members) EC Meeting planned for 20 November at 15:00 PST.  Details will be posted here and on the JCP.org home page next week.

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  • Perl: Recursively rename all files and directories

    - by user305801
    I need to recursively rename every file and directory. I convert spaces to underscores and make all file/directory names to lowercase. How can I make the following script rename all files in one run? Currently the script needs to be run several times before all the files/directories are converted. The code is below: #!/usr/bin/perl use File::Find; $input_file_dir = $ARGV[0]; sub process_file { $clean_name=lc($_); $clean_name=~s/\s/_/g; rename($_,$clean_name); print "file/dir name: $clean_name\n"; } find(\&process_file, $input_file_dir);

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  • get a function of external file

    - by user295189
    I am using jQuery and my js file thats calling a jquery function resides in totally different directory than jQuery is in. I need to call this function reloadPage like this from js file reloadPage({param1:'First Parameter', param2:ID}); but it gives me an error Line: 341 Error: Object doesn't support this property or method Line 341 is reloadPage({param1:'First Parameter', param2:ID});. What can I do to run this function from outside the directory? I tried parent.reloadPage({param1:'First Parameter', param2:ID}); But that didnt work either.

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  • Top 25 security issues for developers of web sites

    - by BizTalk Visionary
    Sourced from: CWE This is a brief listing of the Top 25 items, using the general ranking. NOTE: 16 other weaknesses were considered for inclusion in the Top 25, but their general scores were not high enough. They are listed in the On the Cusp focus profile. Rank Score ID Name [1] 346 CWE-79 Failure to Preserve Web Page Structure ('Cross-site Scripting') [2] 330 CWE-89 Improper Sanitization of Special Elements used in an SQL Command ('SQL Injection') [3] 273 CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') [4] 261 CWE-352 Cross-Site Request Forgery (CSRF) [5] 219 CWE-285 Improper Access Control (Authorization) [6] 202 CWE-807 Reliance on Untrusted Inputs in a Security Decision [7] 197 CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') [8] 194 CWE-434 Unrestricted Upload of File with Dangerous Type [9] 188 CWE-78 Improper Sanitization of Special Elements used in an OS Command ('OS Command Injection') [10] 188 CWE-311 Missing Encryption of Sensitive Data [11] 176 CWE-798 Use of Hard-coded Credentials [12] 158 CWE-805 Buffer Access with Incorrect Length Value [13] 157 CWE-98 Improper Control of Filename for Include/Require Statement in PHP Program ('PHP File Inclusion') [14] 156 CWE-129 Improper Validation of Array Index [15] 155 CWE-754 Improper Check for Unusual or Exceptional Conditions [16] 154 CWE-209 Information Exposure Through an Error Message [17] 154 CWE-190 Integer Overflow or Wraparound [18] 153 CWE-131 Incorrect Calculation of Buffer Size [19] 147 CWE-306 Missing Authentication for Critical Function [20] 146 CWE-494 Download of Code Without Integrity Check [21] 145 CWE-732 Incorrect Permission Assignment for Critical Resource [22] 145 CWE-770 Allocation of Resources Without Limits or Throttling [23] 142 CWE-601 URL Redirection to Untrusted Site ('Open Redirect') [24] 141 CWE-327 Use of a Broken or Risky Cryptographic Algorithm [25] 138 CWE-362 Race Condition Cross-site scripting and SQL injection are the 1-2 punch of security weaknesses in 2010. Even when a software package doesn't primarily run on the web, there's a good chance that it has a web-based management interface or HTML-based output formats that allow cross-site scripting. For data-rich software applications, SQL injection is the means to steal the keys to the kingdom. The classic buffer overflow comes in third, while more complex buffer overflow variants are sprinkled in the rest of the Top 25.

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  • Changing RubyGems Install Path

    - by kmurph79
    I'm using RVM. I recently updated RubyGems and it seems to have changed my install path. Currently RubyGems looks in /Users/kmurph79/.rvm/gems/ruby-1.9.1-p376 for gems, yet installs them in /Users/kmurph79/.rvm/rubies/ruby-1.9.1-p376/lib/ruby/gems/1.9.1/gems. Currently I have them all symlinked, but I'd like to avoid doing that everytime I install a gem. I tried editing .gemrc to have RubyGems look in the latter directory, but that didn't work (maybe I didn't do that correctly? Here is my current .gemrc file). Ideally I'd like to change the install path to the former directory -- is there an easy way to do this? Thanks for any help!

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  • Netbeans 7.2 won't open on OS X

    - by Mark van Wyk
    I installed Netbeans on OSX Mountain Lion running JDK 7. Everything was working fine. Then my machine for no reason crashed. After this I could no longer open Netbeans anymore. If I try to start Netbeans from the commandline: /Applications/NetBeans/NetBeans 7.2.app/Contents/MacOS/netbeans Then it works fine. From there I can select Netbeans About and confirm that my userdir and cachedir is: User directory: /Users/<user>/Library/Application Support/NetBeans/7.2 Cache directory: /Users/<user>/Library/Caches/NetBeans/7.2 So, I deleted these directories and tried again, but alas, I can only start netbeans via the commandline. Ideas appreciated...

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  • Jetty ant task hangs in build

    - by Kate Ansolis
    I have a problem when I run Jetty task with my war file. Here is my output: [jetty] Configuring Jetty for project: Guardian [jetty] 2010-08-23 18:53:09.062:INFO::Logging to STDERR via org.mortbay.log.StdErrLog [jetty] [jetty] Configuring Jetty for web application: project [jetty] Webapp source directory = C:\Projects\GUARDIAN\build\dist\project.war [jetty] Context path = / [jetty] Classpath = [] [jetty] Default scanned paths = [] [jetty] Extra scan targets = [] [jetty] Temp directory = C:\jettyTemp\ [jetty] 2010-08-23 18:53:09.391:INFO::jetty-6.1.25 [jetty] 2010-08-23 18:53:09.481:INFO::Extract C:\Projects\GUARDIAN\build\dist\project.war to C:\jettyTemp\webapp [jetty] 2010-08-23 18:53:13.810:INFO::NO JSP Support for /, did not find org.apache.jasper.servlet.JspServlet [jetty] 2010-08-23 18:53:13.909:INFO::No Transaction manager found - if your webapp requires one, please configure one. [jetty] 2010-08-23 18:53:18.038:INFO::Started [email protected]:8080 and it hangs forever. What can I do about it? The goal is to start jetty with this war file so I can continue testing.

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  • iPhone: Cannot get simulator to generate .gcda profiling data files.

    - by Derek Clarkson
    I'm attempting to profile my code using the iPhone simulator. I've enabled Generate Test Coverage File and Instrument Program Flow and added -lgcov to the linker flags. According to everything I've read that should be all I need to do in terms of setup. Executing the program I can see the .gcno files appearing along side the .o compiled code in the build/.build/Debug-iphonesimulator/.build/Objects-normal/i386 directory. But when I run the app in the simulator I do not get any *.gcda files appearing. My understanding is that these files contain the data from the instrumentation. But I cannot find them anywhere on the computer. I know they can be produced and appear along side the *.gcno files because I have an old trashed buil directory which does have them. I just cannot figure out what I have to do to get them to appear and record the run. Any help appreciated.

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  • Grub does not show a Windows 8 option after dual boot

    - by skytreader
    So, I've successfully dual-booted my Windows 8 machine with Ubuntu 12.04 . However, I still don't have a convenient method of choosing what OS to load at boot time. After installing Ubuntu, my computer still loads Windows 8 directly. I then added grubx64.efi to the white list of my boot loader. But after that, my machine loads Ubuntu directly without even a shadow of GRUB showing up! I used boot-repair and I got this paste.ubuntu URL: paste.ubuntu.com/1326074. After running boot-repair (and re-white listing the grubx64.efi file), GRUB now shows up but without any Windows 8 option! Lastly, I ran sudo fdisk -l and it gave me this: WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/sda: 750.2 GB, 750156374016 bytes 255 heads, 63 sectors/track, 91201 cylinders, total 1465149168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0x6396389f Device Boot Start End Blocks Id System /dev/sda1 1 1465149167 732574583+ ee GPT Partition 1 does not start on physical sector boundary. I'm guessing my problem has something to do with the warning from fdisk above but I don't know what to do with it. How do I proceed now?

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  • Free space in tmpfs partition not adding up

    - by Dean Herbert
    I have had my /tmp/ partition filling up recently when it should not be anywhere near full. On further investigation, I found that the partition was listing free space a lot lower than it should be. I am guessing a remount will fix this, but am very curious as to why this has happened and where this space has gone. du output: root@odoroki:/tmp# du --summarize -h 3.3M . df output: root@odoroki:/tmp# df -h /tmp Filesystem Size Used Avail Use% Mounted on tmpfs 3.9G 3.3G 653M 84% /tmp Update: after deleting some files it has happened again. du output: root@odoroki:/tmp# du -h --summarize 11M . df output: root@odoroki:/tmp# df -h /tmp Filesystem Size Used Avail Use% Mounted on tmpfs 3.9G 3.9G 0 100% /tmp I have a feeling this has started since a recent apt-get upgrade, but it still seems like strange behaviour. I did do a quick scan over lsof output and couldn't see any open/stuck file handles. Unfortunately due to the seriousness of the issue I had to reboot the server, after which usage seems to match correctly.

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  • Getting Revisions from CVS repository

    - by Rob
    Hi, I am trying to get somehow all the revision log that were made to a particular file, but I seem to stupid to do that :( To checkout a module I do the following CVSROOT="/home/projects/stuff/" cvs co myworkingdir within myworkingdir I have a testfile called paper.tex and from this I wanna try to get the revisions but I tried the following but nothing works ... CVSROOT="/home/projects/stuff/" cvs log paper.tex cvs log: cannot open CVS/Entries for reading: No such file or directory cvs log: nothing known about paper.tex -bash-3.2$ CVSROOT="/home/projects/stuff/" cvs log myworkingdir/paper.tex cvs [log aborted]: no such directory `myworkingdir' Anyone an idea how I could get the log of the revisions of the paper.tex file in the myworkingdir module? Many thanks for your help! Claus

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  • What are the common mistakes in 'tailored Scrum approaches'?

    - by Clark Gable
    I have seen this before. Management wants to be agile and be scrummified, but does not want to step out of the status quo. My latest observation is no different; here, the Scrum is 'tailored' to the organization; specifically into a weird many-people-process. The diagram showing the different participants. I am putting together a document listing why this will not work. Here are the obvious ones: 1. There are product owner agents (an obvious WTF), who report to the product owner: causing dilution of decision making capability 2. There is a role that looks similar to a manager in the traditional approach - development manager: an obvious attempt at command-and-control model 3. The ScrumMaster's role includes collecting timesheets, which are used to track progress instead of burndown charts: detrimental to agile's efforts to build teams with motivated individuals Leaving the question "how would you convince the management?", my question is more at, "what else do you see as failures in this/similar 'tailored Scrum approaches'? EDIT: The diagram might use a few more details 1. The development manager is not part of the development team, with not very clearly defined responsibilities, except: developer performance assessemnt, recruitment, etc., 2. There are more than two teams (with ScrumMaster+development manager+dev team) with the same product owner for all teams!

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  • elisp newbie question: Can't find 'filename' function definition in org.el?

    - by Dave Paroulek
    I really love org-mode in emacs and want to customize a few things. While reading thru org.el, I'm finding several references to filename but can't find filename using describe-function? I'm sure there's a simple answer, but I'm just learning elisp and it's not obvious. Any insight into where filename is defined? And/or if it's not a function, what is it? For example, filename on line 25502: (filename (if to-buffer (expand-file-name (concat (file-name-sans-extension (or (and subtree-p (org-entry-get (region-beginning) "EXPORT_FILE_NAME" t)) (file-name-nondirectory buffer-file-name))) "." html-extension) (file-name-as-directory (or pub-dir (org-export-directory :html opt-plist))))))

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  • Codeigniter's URL Rewriting Problem

    - by Saiful
    I’ve using the following htaccess script so that i can hide index.php from the uri. RewriteEngine on RewriteCond $1 !^(index\.php|resources|robots\.txt) RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ index.php/$1 [L,QSA] But i’ve facing a major problem :( I’ve a directory named assets beside my index.php file and it should be there. Now when i browse the directory by browser then the codeigniter’s not found page displays. I can’t browser the file /assets/image.jpg but it displays when i call it from an tag What can i do now? Note that it is working in my local server (localhost) but not in the live server. Signature $@!ful

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  • Embedded strongly-typed views with ASP.NET MVC

    - by Brian Vallelunga
    I'm working on a plugin-type of system for ASP.NET MVC that loads views from an embedded assembly. I have created a VirtualPathProvider that does the work of retrieving out of the assembly. Everything is working fine except for strongly-typed views. Whenever I try to load one of those, I get an exception of: Could not load type 'System.Web.Mvc.ViewPage'. The problem is that there is no Web.config file under the Views folder. Well, actually there is, but the system doesn't seem to want to read the embedded version. If I manually create the file under the corresponding directory in the web app, everything is fine. This isn't an acceptable workaround however, as each plugin would need its own file in its own specific directory. Does anyone know how I might get ASP to read the embedded Web.config file? Thanks, Brian

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  • how to run existing symfony 1.4.18 project in localhost

    - by nickleefly
    I have all the symfony 1.4.18 source file in a folder called symfony. And I have the database. under this symfony folder it has apps, cache, config, data, lib, log, plugins, test, web, .gitignore, symfony what all i need to do to make it work in another shared host server? how can i make it run in localhost ? the config file is the following Under the config folder, vhost.conf file DocumentRoot /var/www/vhosts/example.com/httpdocs/web <Directory /var/www/vhosts/example.com/httpdocs/web> Options +FollowSymlinks php_admin_value open_basedir "/var/www/vhosts/example.com/httpdocs:/tmp:/usr/local/php:/usr/share/pear" </Directory> properties.ini file [prod] host=youripaddress port=22 user=yourusername dir=/var/www/vhosts/example.com/httpdocs/ type=rsync password=yourpassword databases.yml all: doctrine: class: sfDoctrineDatabase param: dsn: 'mysql:host=localhost;dbname=yourdbname' username: yourdbusername password: yourdbpassword attributes: default_table_type: InnoDB default_table_collate: utf8_unicode_ci default_table_charset: utf8 use_dql_callbacks: true

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  • How do I push a new project to a shared Mercurial multi-repository?

    - by j-g-faustus
    I have a local machine ("laptop") and a shared Mercurial repository on another machine ("server"). The shared repository is set up as a multi-repository as described in the Mercurial documentation using Apache, the hgwebdir.cgi script and Mercurial 1.4. The setup works in the sense that I can browse the projects (repositories) in the web browser, I can clone and pull from the server, and I can push from the laptop when the project/repository already exists on the server. But I cannot create a new project on the laptop (hg init, do stuff, hg commit) and push it to the shared multi-repository (hg push http://server/hg/my-new-project-name) - I get "abort: HTTP Error 404: Not Found", presumably because the directory/project repository does not exist yet. How can I push a new project/directory structure to a Mercurial running elsewhere? I couldn't find anything in the documentation, how do you guys do it?

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  • Bash: using commands as parameters (specifically cd, dirname and find)

    - by sixtyfootersdude
    This command and output: % find . -name file.xml 2> /dev/null ./a/d/file.xml % So this command and output: % dirname `find . -name file.xml 2> /dev/null` ./a/d % So you would expect that this command: % cd `dirname `find . -name file.xml 2> /dev/null`` Would change the current directory to ./a/d. Strangely this does not work. When I type cd ./a/d. The directory change works. However I cannot find out why the above does not work...

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  • Nivida driver install

    - by Adham
    tried black listing and every thing i could find on the internet used with root and alt+ctrl+f1 with no solution nvidia-installer log file '/var/log/nvidia-installer.log' creation time: Mon Jun 17 08:35:25 2013 installer version: 319.23 PATH: /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin nvidia-installer command line: ./nvidia-installer Using: nvidia-installer ncurses user interface -> License accepted. -> Installing NVIDIA driver version 319.23. -> Running distribution scripts executing: '/usr/lib/nvidia/pre-install'... -> done. -> The distribution-provided pre-install script failed! Continue installation anyway? (Answer: Yes) ERROR: The Nouveau kernel driver is currently in use by your system. This driver is incompatible with the NVIDIA driver, and must be disabled before proceeding. Please consult the NVIDIA driver README and your Linux distribution's documentation for details on how to correctly disable the Nouveau kernel driver. WARNING: One or more modprobe configuration files to disable Nouveau are already present at: /etc/modprobe.d/nvidia-installer-disable-nouveau.conf. Please be sure you have rebooted your system since these files were written. If you have rebooted, then Nouveau may be enabled for other reasons, such as being included in the system initial ramdisk or in your X configuration file. Please consult the NVIDIA driver README and your Linux distribution's documentation for details on how to correctly disable the Nouveau kernel driver. ERROR: Installation has failed. Please see the file '/var/log/nvidia-installer.log' for details. You may find suggestions on fixing installation problems in the README available on the Linux driver download page at www.nvidia.com.

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