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  • Can't pass a single parameter to lambda function in MVVM Light Toolkit's RelayCommand

    - by Dave
    I don't know if there's a difference between Josh Smith's and Laurent Bugnion's implementations of RelayCommand or not, but everywhere I've looked, it sounds like the Execute portion of RelayCommand can take 0 or 1 parameters. I've only been able to get it to work with 0. When I try something like: public class Test { public RelayCommand MyCommand { get; set; } public Test() { MyCommand = new RelayCommand((param) => SomeFunc(param)); } private void SomeFunc( object param) { } } I get the error: Delegate 'System.Action' does not take '1' arguments. Just to make sure I am not insane, I went to the definition of RelayCommand to make sure I didn't have some rogue implementation in my solution somewhere, but sure enough, it was just Action, and not Action<. What on earth am I missing here?

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  • bash tips needed for understanding how to escape characters in command-line

    - by Jesper Rønn-Jensen
    My knowledge of commandline bash is missing on a particular area: I constantly forget how to properly escape characters. Today I wanted to echo this string into a file: #!/bin/env bash python -m SimpleHTTPServer echo "#!/bin/env bash\npython -m SimpleHTTPServer" server.sh && chmod +x server.sh -bash: !/bin/env: event not found That's right: Remember to escape ! or bash will think it's a special bash event command. But I can't get the escaping right! \! yields \! in the echoed string, and so does \\!. Furthermore, \n will not translate to a line break. Do you have some general tips that makes it easier for me to understand escaping rules? To be very precise, I'll accept an answer which tells me which characters I should escape on the bash command line? Including how to correctly output newline and exclamation mark in my example.

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  • Convert byte array to wav file

    - by Eyla
    I'm trying to play a wav sound that stored in byte array called bytes. I know that I should convert the byte array to wav file and save it in my local drive then called the saved file but I was not able to convert the byte array to wav file. please help me to give sample code to convert byte arrary of wav sound to wav file. here is my code: protected void Button1_Click(object sender, EventArgs e) { byte[] bytes = GetbyteArray(); //missing code to convert the byte array to wav file ..................... System.Media.SoundPlayer myPlayer = new System.Media.SoundPlayer(myfile); myPlayer.Stream = new MemoryStream(); myPlayer.Play(); }

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  • SQL Query Not Functioning - No Error Message

    - by gamerzfuse
    // Write the data to the database $query = "INSERT INTO staff (name, lastname, username, password, position, department, birthmonth, birthday, birthyear, location, phone, email, street, city, state, country, zip, tags, photo) VALUES ('$name', '$lastname', '$username', '$password', '$position', '$department', '$birthmonth', '$birthday', '$birthyear', '$location', '$phone', '$email', '$street', '$city', '$state', '$country', '$zip', '$tags', '$photo')"; mysql_query($query); var_dump($query); echo '<p>' . $name . ' has been added to the Employee Directory.</p>'; if (!$query) { die('Invalid query: ' . mysql_error()); } Can someone tell me why the above code produced: string(332) "INSERT INTO staff (name, lastname, username, password, position, department, birthmonth, birthday, birthyear, location, phone, email, street, city, state, country, zip, tags, photo) VALUES ('Craig', 'Hooghiem', 'sdf', 'sdf', 'sdf', 'sdf', '01', '01', 'sdf', 'sdf', '', 'sdf', 'sdf', 'sd', 'sdf', 'sdf', 'sd', 'sdg', 'leftround.gif')" Craig has been added to the Employee Directory. But does not actually add anything into the database table "staff" ? I must be missing something obvious here.

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  • How to render partial.js in rails 3

    - by julian-mann
    Using rails3 - I have a project with many tasks. I want to use javascript to build the UI for each task. I figured I could display those tasks on the projects show page by rendering a javascript partial for each. I can't get 'tasks/show' to see tasks/show.js.erb Any ideas? In projects/show.html.erb <div id="tasks"> <%= render(:partial => "tasks/show", :collection => @project.tasks) %> </div> tasks/show.js.erb $("tasks").append(new TaskWidget(task.id)) I get the errors ActionView::MissingTemplate in Projects#show Missing partial tasks/show with {:handlers=>[:erb, :rjs, :builder, :rhtml, :rxml], :formats=>[:html], :locale=>[:en, :en]} in view paths .... around line #13 Thanks

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  • MSDN Example of handling an exception from the TPL - Is this a race condition?

    - by David
    I'm looking at the TPL exception handling example from MSDN @ http://msdn.microsoft.com/en-us/library/dd537614(v=VS.100).aspx The basic form of the code is: Task task1 = Task.Factory.StartNew(() => { throw new IndexOutOfRangeException(); }); try { task1.Wait(); } catch (AggregateException ae) { throw ae.Flatten(); } My question is: Is this a race condition? What happens if task1 throws before the try has executed? Am I missing something that stops this being a race? Shouldn't it be written like this instead: try { Task task1 = Task.Factory.StartNew(() => { throw new IndexOutOfRangeException(); }); task1.Wait(); } catch (AggregateException ae) { throw ae.Flatten(); }

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  • How can I get FreeNAS to respond to libvirt shutdown requests

    - by ptomli
    I have a KVM VM of FreeNAS 0.7.1 Shere (revision 5127) running on Ubuntu Server 10.04 and I'm unable to convince the VM to shutdown from the host virsh shutdown freenas I would expect this to send some ACPI? trigger to the VM and FreeNAS then do what it's told. I'm not a FreeBSD fundi so I don't really know what packages or processes to poke to get this running. I have tried to convince powerd to run, but the VM cpus don't have the required freq entry Sysctl HW $ sysctl hw hw.machine: amd64 hw.model: QEMU Virtual CPU version 0.12.3 hw.ncpu: 1 hw.byteorder: 1234 hw.physmem: 523116544 hw.usermem: 463806464 hw.pagesize: 4096 hw.floatingpoint: 1 hw.machine_arch: amd64 hw.realmem: 536850432 hw.aac.iosize_max: 65536 hw.amr.force_sg32: 0 hw.an.an_cache_iponly: 1 hw.an.an_cache_mcastonly: 0 hw.an.an_cache_mode: dbm hw.an.an_dump: off hw.ata.to: 15 hw.ata.wc: 1 hw.ata.atapi_dma: 1 hw.ata.ata_dma_check_80pin: 1 hw.ata.ata_dma: 1 hw.ath.txbuf: 200 hw.ath.rxbuf: 40 hw.ath.regdomain: 0 hw.ath.countrycode: 0 hw.ath.xchanmode: 1 hw.ath.outdoor: 1 hw.ath.calibrate: 30 hw.ath.hal.swba_backoff: 0 hw.ath.hal.sw_brt: 10 hw.ath.hal.dma_brt: 2 hw.bce.msi_enable: 1 hw.bce.tso_enable: 1 hw.bge.allow_asf: 0 hw.cardbus.cis_debug: 0 hw.cardbus.debug: 0 hw.cs.recv_delay: 570 hw.cs.ignore_checksum_failure: 0 hw.cs.debug: 0 hw.cxgb.snd_queue_len: 50 hw.cxgb.use_16k_clusters: 1 hw.cxgb.force_fw_update: 0 hw.cxgb.singleq: 0 hw.cxgb.ofld_disable: 0 hw.cxgb.msi_allowed: 2 hw.cxgb.txq_mr_size: 1024 hw.cxgb.sleep_ticks: 1 hw.cxgb.tx_coalesce: 0 hw.firewire.hold_count: 3 hw.firewire.try_bmr: 1 hw.firewire.fwmem.speed: 2 hw.firewire.fwmem.eui64_lo: 0 hw.firewire.fwmem.eui64_hi: 0 hw.firewire.phydma_enable: 1 hw.firewire.nocyclemaster: 0 hw.firewire.fwe.rx_queue_len: 128 hw.firewire.fwe.tx_speed: 2 hw.firewire.fwe.stream_ch: 1 hw.firewire.fwip.rx_queue_len: 128 hw.firewire.sbp.tags: 0 hw.firewire.sbp.use_doorbell: 0 hw.firewire.sbp.scan_delay: 500 hw.firewire.sbp.login_delay: 1000 hw.firewire.sbp.exclusive_login: 1 hw.firewire.sbp.max_speed: -1 hw.firewire.sbp.auto_login: 1 hw.mfi.max_cmds: 128 hw.mfi.event_class: 0 hw.mfi.event_locale: 65535 hw.pccard.cis_debug: 0 hw.pccard.debug: 0 hw.cbb.debug: 0 hw.cbb.start_32_io: 4096 hw.cbb.start_16_io: 256 hw.cbb.start_memory: 2281701376 hw.pcic.pd6722_vsense: 1 hw.pcic.intr_mask: 57016 hw.pci.honor_msi_blacklist: 1 hw.pci.enable_msix: 1 hw.pci.enable_msi: 1 hw.pci.do_power_resume: 1 hw.pci.do_power_nodriver: 0 hw.pci.enable_io_modes: 1 hw.pci.host_mem_start: 2147483648 hw.syscons.kbd_debug: 1 hw.syscons.kbd_reboot: 1 hw.syscons.bell: 1 hw.syscons.saver.keybonly: 1 hw.syscons.sc_no_suspend_vtswitch: 0 hw.usb.uplcom.interval: 100 hw.usb.uvscom.interval: 100 hw.usb.uvscom.opktsize: 8 hw.wi.debug: 0 hw.wi.txerate: 0 hw.xe.debug: 0 hw.intr_storm_threshold: 1000 hw.availpages: 127714 hw.bus.devctl_disable: 0 hw.ste.rxsyncs: 0 hw.busdma.total_bpages: 32 hw.busdma.zone0.total_bpages: 32 hw.busdma.zone0.free_bpages: 32 hw.busdma.zone0.reserved_bpages: 0 hw.busdma.zone0.active_bpages: 0 hw.busdma.zone0.total_bounced: 0 hw.busdma.zone0.total_deferred: 0 hw.busdma.zone0.lowaddr: 0xffffffff hw.busdma.zone0.alignment: 2 hw.busdma.zone0.boundary: 65536 hw.clockrate: 2808 hw.instruction_sse: 1 hw.apic.enable_extint: 0 hw.kbd.keymap_restrict_change: 0 hw.acpi.supported_sleep_state: S3 S4 S5 hw.acpi.power_button_state: S5 hw.acpi.sleep_button_state: S3 hw.acpi.lid_switch_state: NONE hw.acpi.standby_state: S1 hw.acpi.suspend_state: S3 hw.acpi.sleep_delay: 1 hw.acpi.s4bios: 0 hw.acpi.verbose: 0 hw.acpi.disable_on_reboot: 0 hw.acpi.handle_reboot: 0 hw.acpi.cpu.cx_lowest: C1 Processes $ ps ax PID TT STAT TIME COMMAND 0 ?? DLs 0:00.00 [swapper] 1 ?? ILs 0:00.00 /sbin/init -- 2 ?? DL 0:00.08 [g_event] 3 ?? DL 0:00.29 [g_up] 4 ?? DL 0:00.33 [g_down] 5 ?? DL 0:00.00 [crypto] 6 ?? DL 0:00.00 [crypto returns] 7 ?? DL 0:00.00 [xpt_thrd] 8 ?? DL 0:00.00 [kqueue taskq] 9 ?? DL 0:00.00 [acpi_task_0] 10 ?? RL 34:12.42 [idle: cpu0] 11 ?? WL 0:01.13 [swi4: clock sio] 12 ?? WL 0:00.00 [swi3: vm] 13 ?? WL 0:00.00 [swi1: net] 14 ?? DL 0:00.04 [yarrow] 15 ?? WL 0:00.00 [swi6: task queue] 16 ?? WL 0:00.00 [swi2: cambio] 17 ?? DL 0:00.00 [acpi_task_1] 18 ?? DL 0:00.00 [acpi_task_2] 19 ?? WL 0:00.00 [swi5: +] 20 ?? DL 0:00.01 [thread taskq] 21 ?? WL 0:00.00 [swi6: Giant taskq] 22 ?? WL 0:00.00 [irq9: acpi0] 23 ?? WL 0:00.09 [irq14: ata0] 24 ?? WL 0:00.11 [irq15: ata1] 25 ?? WL 0:00.57 [irq11: ed0 uhci0] 26 ?? DL 0:00.00 [usb0] 27 ?? DL 0:00.00 [usbtask-hc] 28 ?? DL 0:00.00 [usbtask-dr] 29 ?? WL 0:00.01 [irq1: atkbd0] 30 ?? WL 0:00.00 [swi0: sio] 31 ?? DL 0:00.00 [sctp_iterator] 32 ?? DL 0:00.00 [pagedaemon] 33 ?? DL 0:00.00 [vmdaemon] 34 ?? DL 0:00.00 [idlepoll] 35 ?? DL 0:00.00 [pagezero] 36 ?? DL 0:00.01 [bufdaemon] 37 ?? DL 0:00.00 [vnlru] 38 ?? DL 0:00.14 [syncer] 39 ?? DL 0:00.01 [softdepflush] 1221 ?? Is 0:00.00 /sbin/devd 1289 ?? Is 0:00.01 /usr/sbin/syslogd -ss -f /var/etc/syslog.conf 1608 ?? Is 0:00.00 /usr/sbin/cron -s 1692 ?? Ss 0:00.03 /usr/local/sbin/mDNSResponderPosix -b -f /var/etc/mdn 1730 ?? S 0:00.43 /usr/local/sbin/lighttpd -f /var/etc/lighttpd.conf -m 1882 ?? DL 0:00.00 [system_taskq] 1883 ?? DL 0:00.00 [arc_reclaim_thread] 4139 ?? S 0:00.03 /usr/local/bin/php /usr/local/www/exec.php 4144 ?? S 0:00.00 sh -c ps ax 4145 ?? R 0:00.00 ps ax 1816 v0 Is 0:00.01 login [pam] (login) 1818 v0 I+ 0:00.03 -tcsh (csh) 1817 v1 Is+ 0:00.00 /usr/libexec/getty Pc ttyv1 1402 con- I 0:00.00 /usr/local/sbin/afpd -F /var/etc/afpd.conf 1404 con- S 0:00.00 /usr/local/sbin/cnid_metad 1682 con- I 0:02.78 /usr/local/sbin/mt-daapd -m -c /var/etc/mt-daapd.conf 1789 con- S 0:00.18 /usr/local/bin/fuppesd --config-dir /var/etc --config Libvert snippet <domain type='kvm'> <name>freenas</name> <uuid>********-****-****-****-************</uuid> <memory>524288</memory> <currentMemory>524288</currentMemory> <vcpu>1</vcpu> <os> <type arch='x86_64' machine='pc-0.12'>hvm</type> <boot dev='hd'/> </os> <features> <acpi/> <apic/> <pae/> </features> <clock offset='utc'/> <on_poweroff>destroy</on_poweroff> <on_reboot>restart</on_reboot> <on_crash>restart</on_crash> <devices> <emulator>/usr/bin/kvm</emulator> Is this possible? Ideally I'd like to be able to stop the host without having to manually deal with shutting down the VM.

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  • How do I write a custom validator for a zend form element with customized error messages?

    - by Mallika Iyer
    I have a question field with a list of allowed characters : A-Z,0-9,colon (:), question mark (?), comma(,), hyphen(-), apostrophe ('). I have the regex which works fine, in the fashion : $question->addValidator('regex', true, array(<regular expresstion>)) The default error message is something like ''' does not match against pattern '' I want to write a custom error message that says ' is not allowed in this field' Is there a simple way to do it using the existing zend components that I'm missing? Is writing a custom validator the only way to achieve what I'm trying to achieve? If yes, how do I write a custom validator (I looked at the documentation and didn't quite understand how I can customize the error messages) If there is any other way, I'd most appreciate that input too. Thanks for taking the time to answer this!

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  • good way to implement NotSpecification: isSpecialCaseOf?

    - by koen
    I'm implementing the specification pattern. The NotSpecification seems simple at first: NotSpecification.IsSpecialCaseOf(otherSpecification) return !this.specification.isSpecialCaseOf(otherSpecification) But it doesn't work for all Specifications: Not(LesserThan(5)).IsSpecialCaseOf(GreaterThan(4)) This should be true. So far I think that the only way to accomplish the isSpecialCaseOf the NotSpecification is to implement the remainderUnsatisfiedBy (partial subsumption in the paper on the specification pattern). But maybe I am missing something more simple or a logical insight that makes this unnecessary. Question: Is there another way of implementing this by not using remainderUnsatisfiedBy?

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  • Should developers know how to use office suites?

    - by systempuntoout
    How deep is your knowledge on Office suites? Personally i don't like them, i hate create and manage word documents, excel datasheets etc. etc. I'm not talking about opening a word document and write some text or calculate sum and division on excel; i'm talking about advanced features like revisions, vba macros and so on. I have a co-worker, actually he's a talented functional analyst, that don't know anything about programming but he's kind a monster guru on Microsoft Office suite. When he sits on my desk and asks me to open and modify some of his hardly complicated Microsoft Excel multicolor multipivotal recursive datasheet, ehm, i feel like a baby in front of a nuclear plant console.It' not a great feeling if you know what i mean. As programmer, do you feel guilty about not knowing office suites enough?

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  • iPad UIViewController loads as portrait when device is in landscape

    - by jud
    I have an application with 3 view controllers. They are all have shouldAutoRotateToInterfaceOrientation returning YES. The first two, my main menu and my submenu both autorotate just fine. The third viewcontroller, which programatically loads a UIImageView from a jpg file in the program's bundle, will only display in portrait. In the viewcontroller containing the image, i have this: NSString *imageName = [NSString stringWithFormat:@"%@-00%d.jpg",setPrefix,imageNumber]; UIImageView *pictureView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:imageName]]; pictureView.frame = CGRectMake(0, 0, 1024, 768); [self.view addSubview:pictureView]; and again, I have shouldAutoRotateToInterfaceOrientation returning YES for all orientations. My image shows up, but is sideways, and the 0,0,1024,768 values I used to make my rectangle start from the top right corner going down, instead of starting at the top left and going across (holding in landscape). Am I missing a parameter I need to set in order to ensure the imageview shows up in landscape instead of portrait?

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  • Why does Maven have such a bad rep?

    - by Dan
    There is a lot of talk on the internet about how Maven is bad. I have been using some features of Maven for a few years now and the most important benefit in my view is the dependency management. Maven documentation is less than adequate, but generally when I need to accomplish something I figure it once and than it works (for example, I remember when I implemented signing the jars.) I don’t think that Maven is great, but it does solve some problems that without it would be a genuine pain. So, why does Maven has such a bad rep and what problems with Maven can I expect in the future? Maybe there are much better alternatives that I don't know about? (For example, I never looked Ivy in detail.) NOTE: This is not an attempt to cause an argument. It is an attempt to clear the FUD.

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  • Why is FxCop warning about an overflow (CA2233) in this C# code?

    - by matt
    I have the following function to get an int from a high-byte and a low-byte: public static int FromBytes(byte high, byte low) { return high * (byte.MaxValue + 1) + low; } When I analyze the assembly with FxCop, I get the following critical warning: CA2233: OperationsShouldNotOverflow Arithmetic operations should not be done without first validating the operands to prevent overflow. I can't see how this could possibly overflow, so I am just assuming FxCop is being overzealous. Am I missing something? And what steps could be taken to correct what I have (or at least make the FxCop warning go away!)?

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  • Trying to speed up a SQLITE UNION QUERY

    - by user142683
    I have the below SQLITE code SELECT x.t, CASE WHEN S.Status='A' AND M.Nomorebets=0 THEN S.PriceText ELSE '-' END AS Show_Price FROM sb_Market M LEFT OUTER JOIN (select 2010 t union select 2020 t union select 2030 t union select 2040 t union select 2050 t union select 2060 t union select 2070 t ) as x LEFT OUTER JOIN sb_Selection S ON S.MeetingId=M.MeetingId AND S.EventId=M.EventId AND S.MarketId=M.MarketId AND x.t=S.team WHERE M.meetingid=8051 AND M.eventid=3 AND M.Name='Correct Score' With the current interface restrictions, I have to use the above code to ensure that if one selection is missing, that a '-' appears. Some feed would be something like the following SelectionId Name Team Status PriceText =================================== 1 Barney 2010 A 10 2 Jim 2020 A 5 3 Matt 2030 A 6 4 John 2040 A 8 5 Paul 2050 A 15/2 6 Frank 2060 S 10/11 7 Tom 2070 A 15 Is using the above SQL code the quickest & efficient?? Please advise of anything that could help. Messages with updates would be preferable.

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  • Decrypting PKCS#7 encrypted data in C#

    - by Johnny Egeland
    I am working on a solution that needs to decrypt PKCS#7 encrypted data, preferably in C#. As far as I can see, the .NET api has support for this through the System.Security.Cryptography.Pkcs namespace. However it seems that the implementation can only work on byte arrays. So what do I do when I have a large encrypted file that does not fit into the memory? Am I missing something here, or is there another way to do this on a Stream level instead of using bytearrays?

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  • Merge entries in CakePHP

    - by Andrea
    Let's say I have a Model, for example User, and I want to merge two instances of this Model, say merge User2 into User1. Explicitly this is what I mean: If a field is already filled in User1, it should remain the same If a field is missing in User1 but is present in User2, it should be copied If SomeModel BelongsTo User, every instance of SomeModel pointing to User2 should be modified to point to User1 Same if SomeModel HasAndBelongsToMany User If SomeModel HasMany User, and SomeModel1 Has User2 but no other instance Has User1, it should be modified so that SomeModel1 has User1 instead If SomeModel HasMany User, SomeModel1 Has User1 and SomeModel2 Has User2... well, I'm not sure here, I guess the only solution is to discard SomeModel2, since User1 can BelongTo only one SomeModel. Finally User2 should be removed. Is there a way to automate this? Maybe a Behaviour? If not, I may consider creating it, since I will need it a lot.

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  • C# Sequence Diagramm Reverse Engineering Tool?

    - by Wayne
    It's essential for me to find a tool that will reverse engineer sequence diagrams by integrating with the debugger. I suppose using the profiler could work also but less desirable. It's a key requirement that the tool in question will record all threads of execution since the app, TickZoom, is heavily parallelized. We just evaluated a most awesome tool from Sparx called Enterprise Architect which integrates with the debugger. It allows you to set a break point, start recording method traces from that break point. It's a lovely design and GUI. Hope it works for you but it only records a single thread of execution so that makes it unusable for us. I will put in a feature request to Sparx. But hope to find a similar tool that does this now since that's the only features we need--not all the other stuff that Sparx also does rather well. Sincerely, Wayne

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  • using Swing components in javafx if they're not in the NetBeans javafx palette

    - by Jason S
    I'm just getting started with javafx in NetBeans, and I have it doing simple stuff (windows with buttons + the like) but would like to try something slightly more realistic. The "Swing/AWT Components" palette has a whole bunch of stuff that the "JavaFX Script Code Clips" palette does not (it has Button, CheckBox, ComboBox, ComboBoxItem, Label, RadioButton, Slider, TextField, and ToggleButton). How do I add stuff to this palette? I would like to try using some of the components in org-netbeans-swing-outline.jar edit: Aha. I was missing the point somewhat: there are only some javafx-wrapped Swing components available in javafx.ext.Swing.*, so if you want one of the other Swing components you have to wrap them yourself.

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  • Best Open Source Java CMS

    - by LuRsT
    I'm trying to find a good Java cms, I've stumbled uppon some that are quite good like: Apache Lenya, dotCMS, Info Glue, Open Edit, MMBase, Contelligent, Hippo CMS Which on do you guys recommend, or even one that I'm missing, because I have some more that I am studying at the moment. The requirements are that I can build modules for it with ease, and that it is open source and free, and with LDAP support. The problem is that I'm not that into Java in web, that's why I'm having trouble finding a good one. One Java cms like dotNetNuke would be the best. Edit: Jahia is off the list because it has no suport for LDAP (community version) Thanks!

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  • Binding a Viewbox to a Canvas

    - by Bjarne
    I'm trying to bind a Viewbox to Canvas that is created dynamically like so: <ListBox.ItemTemplate> <DataTemplate> <DockPanel> <Viewbox> <ContentPresenter Content="{Binding Canvas}"/> </Viewbox> </DockPanel> </DataTemplate> </ListBox.ItemTemplate> This works fine as long as the Canvas doesn't have any children, but as soon at the Canvas has children it's not shown. What am I missing here?

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  • Python Random Question

    - by coson
    Good Day, I am using Python 2.6 and am trying to run a simple random number generator program (random.py): import random for i in range(5): # random float: 0.0 <= number < 1.0 print random.random(), # random float: 10 <= number < 20 print random.uniform(10, 20), # random integer: 100 <= number <= 1000 print random.randint(100, 1000), # random integer: even numbers in 100 <= number < 1000 print random.randrange(100, 1000, 2) I'm now receiving the following error: C:\Users\Developer\Documents\PythonDemo>python random.py Traceback (most recent call last): File "random.py", line 3, in <module> import random File "C:\Users\Developer\Documents\PythonDemo\random.py", line 8, in <module> print random.random(), TypeError: 'module' object is not callable C:\Users\Developer\Documents\PythonDemo> I've looked at the Python docs and this version of Python supports random. Is there something else I'm missing? TIA, coson

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  • I'm a professional Java developer, should I learn .NET?

    - by Alex Spurling
    Java and .NET seem to have a great number of parallels especially in the web application area. Both languages have many of the same technologies especially in terms of open source libraries (JUnit and NUnit, Hibernate and NHibernate) but there are also plenty of differences and different approaches to solving certain software development problems. As a Java developer I get the feeling I'm missing out on learning about web application development from the .NET point of view and I could learn a lot about the general principles by learning two languages rather than getting stuck in the details of Java and not seeing the bigger picture. So the first question is, do you agree? Does learning two separate but similar languages such as Java and .NET make you a better programmer? Secondly, I'm worried that if I choose to take, for example, a MCPD ASP.NET 3.5 certification it won't actually help me get work doing .NET development because it goes against all my existing experience. Is trying to broaden your skills a good career choice or is it a better decision to choose one technology and stick with that?

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  • FireLog: proper installation...

    - by kent
    I have installed the firewiresdk26 on my dev mac... and in the Tools/ directory is FireLog. I have run the FireLog 2.0.0.pkg installer on my dev mac, but the payload it deploys is installed in my /System/Library tree, as opposed to my /Developer/SDKs tree. so when I try to include the header iokit/firewire/FireLog.h it does not get found. am I missing something? or doing something wrong? or is this an error in the installer (either FW26 or FireLog installers?) I realize that the FireLog installer is intended to be run on the machine to be debugged remotely and thus it makes sense that the framework is placed in the /System/Library path, however none of the installers gets it into my developer path... I guess I just have to move it over there by hand, but before I do that I wanted to see if I'm just overlooking something silly and need to read the docs with more concentration or something... anyone run into this before? [thx]

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  • Parsing a UTF-16 encoded xml file in ruby with REXML

    - by Matthew Toohey
    Hello, I'm trying to parse the following UTF-16 encoded xml file in REXML: http://www.abc.net.au/triplej/feeds/playout/triplejsydneyplayout.xml?_523525 REXML encounters an error after the following: >> require 'rexml/document' => true >> include REXML => Object >> require 'net/http' => true >> triplejString = Net::HTTP.get('www.abc.net.au', '/triplej/feeds/playout/triplejsydneyplayout.xml?_523525') => "\377\376<\000?\000x\000m\000l\000 \000v\000e\000r\000s\000i\000o\000n\000=\000\"\0001\000.\0000\000\"\000 \000e\000n\000c\000o\000d\000i\000n\000g\000=\000\"\000u\000t\000f\000-\0001\0006\000\"\000?\000>\000<\000a\000b\000c\000m\000u\000s\000i\000c\000_\000p\000l\000a\000y\000o\000u\000t\000>\000<\000c\000h\000a\000n\000n\000e\000l\000>\000J\000J\000J\000<\000/\000c\000h\000a\000n\000n\000e\000l\000>\000<\000p\000u\000b\000l\000i\000s\000h\000t\000i\000m\000e\000>\000F\000r\000i\000,\000 \0003\0000\000 \000A\000p\000r\000 \0002\0000\0001\0000\000 \0001\0001\000:\0005\0007\000:\0001\0007\000 \000G\000M\000T\000<\000/\000p\000u\000b\000l\000i\000s\000h\000t\000i\000m\000e\000>\000<\000i\000t\000e\000m\000s\000>\000<\000i\000t\000e\000m\000>\000<\000p\000l\000a\000y\000i\000n\000g\000>\000n\000o\000w\000<\000/\000p\000l\000a\000y\000i\000n\000g\000>\000<\000t\000i\000t\000l\000e\000>\000D\000o\000c\000t\000o\000r\000,\000 \000D\000o\000c\000t\000o\000r\000<\000/\000t\000i\000t\000l\000e\000>\000<\000t\000r\000a\000c\000k\000i\000d\000>\000<\000/\000t\000r\000a\000c\000k\000i\000d\000>\000<\000p\000l\000a\000y\000e\000d\000t\000i\000m\000e\000>\000F\000r\000i\000,\000 \0003\0000\000 \000A\000p\000r\000 \0002\0000\0001\0000\000 \0001\0001\000:\0005\0007\000:\0001\0007\000 \000G\000M\000T\000<\000/\000p\000l\000a\000y\000e\000d\000t\000i\000m\000e\000>\000<\000p\000u\000b\000l\000i\000s\000h\000e\000r\000>\000<\000/\000p\000u\000b\000l\000i\000s\000h\000e\000r\000>\000<\000d\000a\000t\000e\000c\000o\000p\000y\000r\000i\000g\000h\000t\000e\000d\000>\0002\0000\0000\0003\000<\000/\000d\000a\000t\000e\000c\000o\000p\000y\000r\000i\000g\000h\000t\000e\000d\000>\000<\000d\000u\000r\000a\000t\000i\000o\000n\000>\0001\0006\0003\000<\000/\000d\000u\000r\000a\000t\000i\000o\000n\000>\000<\000a\000u\000s\000t\000>\000N\000o\000<\000/\000a\000u\000s\000t\000>\000<\000t\000r\000a\000c\000k\000n\000o\000t\000e\000>\000<\000/\000t\000r\000a\000c\000k\000n\000o\000t\000e\000>\000<\000t\000r\000a\000c\000k\000l\000i\000n\000k\000>\000<\000/\000t\000r\000a\000c\000k\000l\000i\000n\000k\000>\000<\000s\000h\000o\000w\000>\000<\000/\000s\000h\000o\000w\000>\000<\000t\000a\000l\000e\000n\000t\000>\000<\000/\000t\000a\000l\000e\000n\000t\000>\000<\000a\000l\000b\000u\000m\000>\000<\000a\000l\000b\000u\000m\000n\000a\000m\000e\000>\000D\000r\000i\000v\000i\000n\000g\000 \000F\000o\000r\000 \000T\000h\000e\000 \000S\000t\000o\000r\000m\000/\000D\000o\000c\000t\000o\000r\000 \000D\000o\000c\000t\000o\000r\000<\000/\000a\000l\000b\000u\000m\000n\000a\000m\000e\000>\000<\000a\000l\000b\000u\000m\000i\000d\000>\0008\0003\000-\0004\0002\0002\0006\0009\000<\000/\000a\000l\000b\000u\000m\000i\000d\000>\000<\000a\000l\000b\000u\000m\000i\000m\000a\000g\000e\000>\000h\000t\000t\000p\000:\000/\000/\000w\000w\000w\000.\000a\000b\000c\000.\000n\000e\000t\000.\000a\000u\000/\000t\000r\000i\000p\000l\000e\000j\000/\000c\000o\000v\000e\000r\000s\000/\000G\000y\000r\000o\000s\000c\000o\000p\000e\000 \000-\000 \000D\000r\000i\000v\000i\000n\000g\000 \000F\000o\000r\000 \000T\000h\000e\000 \000S\000t\000o\000r\000m\000/\000D\000o\000c\000t\000o\000r\000 \000D\000o\000c\000t\000o\000r\000 \000(\0002\0000\0000\0003\000)\000.\000j\000p\000g\000<\000/\000a\000l\000b\000u\000m\000i\000m\000a\000g\000e\000>\000<\000/\000a\000l\000b\000u\000m\000>\000<\000a\000r\000t\000i\000s\000t\000>\000<\000a\000r\000t\000i\000s\000t\000n\000a\000m\000e\000>\000G\000y\000r\000o\000s\000c\000o\000p\000e\000<\000/\000a\000r\000t\000i\000s\000t\000n\000a\000m\000e\000>\000<\000a\000r\000t\000i\000s\000t\000i\000d\000>\000<\000/\000a\000r\000t\000i\000s\000t\000i\000d\000>\000<\000a\000r\000t\000i\000s\000t\000n\000o\000t\000e\000>\000<\000/\000a\000r\000t\000i\000s\000t\000n\000o\000t\000e\000>\000<\000a\000r\000t\000i\000s\000t\000l\000i\000n\000k\000>\000<\000/\000a\000r\000t\000i\000s\000t\000l\000i\000n\000k\000>\000<\000/\000a\000r\000t\000i\000s\000t\000>\000<\000/\000i\000t\000e\000m\000>\000<\000/\000i\000t\000e\000m\000s\000>\000<\000/\000a\000b\000c\000m\000u\000s\000i\000c\000_\000p\000l\000a\000y\000o\000u\000t\000>\000" >> xmlDoc = REXML::Document.new(triplejString) REXML::ParseException: #<REXML::ParseException: malformed XML: missing tag start Line: Position: Last 80 unconsumed characters: <?xml version="1.0" encoding="utf-16"?><a> /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rexml/parsers/baseparser.rb:356:in `pull' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rexml/parsers/treeparser.rb:22:in `parse' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rexml/document.rb:227:in `build' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rexml/document.rb:43:in `initialize' (irb):19:in `new' (irb):19:in `irb_binding' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/irb/workspace.rb:52:in `irb_binding' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/irb/workspace.rb:52 ... malformed XML: missing tag start Line: Position: Last 80 unconsumed characters: <?xml version="1.0" encoding="utf-16"?><a Line: Position: Last 80 unconsumed characters: <?xml version="1.0" encoding="utf-16"?><a from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rexml/parsers/treeparser.rb:92:in `parse' from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rexml/document.rb:227:in `build' from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rexml/document.rb:43:in `initialize' from (irb):19:in `new' from (irb):19 Any ideas?

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  • RegEx to extract all HTML tag attributes including inline JavaScript

    - by Mike
    I found this useful regex code here while looking to parse HTML tag attributes: (\S+)=["']?((?:.(?!["']?\s+(?:\S+)=|[>"']))+.)["']? It works great, but it's missing one key element that I need. Some attributes are event triggers that have inline Javascript code in them like this: onclick="doSomething(this, 'foo', 'bar');return false;" Or: onclick='doSomething(this, "foo", "bar");return false;' I can't figure out how to get the original expression to not count the quotes from the JS (single or double) while it's nested inside the set of quotes that contain the attribute's value.

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