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  • How can I convert HTML to pdf?

    - by Walkman
    I want to read and annotate internet articles like books on my iPad so I would like to convert HTML to PDF. Is there a way of doing this that preserves every font as is can make PDF out of selection handle javascript source code highlighting libraries well doesn't add anything (ads from shareware or logos etc) to every page I will be happy with any solution applicable to iPad or OSX. I have tried some converters I have found online but none fit the criteria above.

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  • Problem during installing certificate on Windows 7

    - by Rodnower
    Hello, I have Windows 7 installed and some certificate in .pfx format. I succeed installing it to local store and store of domain user with administrator privileges, but when I connect with local administrator and try to install it I get error: The import failed because the store was read-only, the store was full, or the store did not open correctly. Any ideas? Thank you for ahead.

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  • Erros installing archlinux on macbook air

    - by user1021852
    I have "installed" Archboot on my macbook air, and I am getting screen problems after it loads UDEV, it is last thing I can read. Basically I am following this instructions. But then I got error that when installing grub legacy. Something about that it has no support of gpt. And I cannot find anything about bios-compatibility. P.S. it only took one try too install it on macbook 6,2 and few dozens in macbook air without results.

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  • What is lighttpd's version of "mod_substitute"?

    - by Dennis
    Recently I read that Apache 2.2 has a new mod to patch outputs on the fly. mod_substitute provides a mechanism to perform both regular expression and fixed string substitutions on response bodies. The feature is useful when I setup testing/development environment. I can replace hostname without touching the content/code. How can I do similar configuration in lighttpd?

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  • How can I perform a syntax check on an .htaccess file in a shared hosting environment?

    - by Danny
    I have a build script (Perl) that modifies the .htaccess file when I deploy my applications. As a double-check I'd like to be able to perform some sort of syntax checking on the created .htaccess file. I am familiar with the idea of using apachectl -t however, I am in a shared hosting environment and because of file access restrictions I cannot read certain configuration files specified by the sysadmins. Apachectl simply will not work in this regard. Ideas or suggestions welcome.

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  • Used SQL Svr 2008 Config Manager to Set Service Account to Local System: What Did It Change?

    - by Frank Ramage
    Direct shot to foot moment... While setting-up individual non-admin accts for MSSQLSERVER services, I temporarily set Server service login to Local System account. I remembered later that: SQL Server Configuration Manager performs additional configuration such as setting permissions in the Windows Registry so that the new account can read the SQL Server settings. I want my Local System back . (Actually just restored to its original security profile) Any advice? Thanks!

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  • --prefix to /usr/local or /opt?

    - by Paul Alexander
    For building apps from source like git or rails I've seen recommendations to install in both /opt or /usr/local. From what I've read so for, the designated use for both is about the same and it amounts to merely a style issue. Is there any practical difference? Best practices?

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  • SQL IO and SAN troubles

    - by James
    We are running two servers with identical software setup but different hardware. The first one is a VM on VMWare on a normal tower server with dual core xeons, 16 GB RAM and a 7200 RPM drive. The second one is a VM on XenServer on a powerful brand new rack server, with 4 core xeons and shared storage. We are running Dynamics AX 2012 and SQL Server 2008 R2. When I insert 15 000 records into a table on the slow tower server (as a test), it does so in 13 seconds. On the fast server it takes 33 seconds. I re-ran these tests several times with the same results. I have a feeling it is some sort of IO bottleneck, so I ran SQLIO on both. Here are the results for the slow tower server: C:\Program Files (x86)\SQLIO>test.bat C:\Program Files (x86)\SQLIO>sqlio -kW -t8 -s120 -o8 -frandom -b8 -BH -LS C:\Tes tFile.dat sqlio v1.5.SG using system counter for latency timings, 14318180 counts per second 8 threads writing for 120 secs to file C:\TestFile.dat using 8KB random IOs enabling multiple I/Os per thread with 8 outstanding buffering set to use hardware disk cache (but not file cache) using current size: 5120 MB for file: C:\TestFile.dat initialization done CUMULATIVE DATA: throughput metrics: IOs/sec: 226.97 MBs/sec: 1.77 latency metrics: Min_Latency(ms): 0 Avg_Latency(ms): 281 Max_Latency(ms): 467 histogram: ms: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24+ %: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 99 C:\Program Files (x86)\SQLIO>sqlio -kR -t8 -s120 -o8 -frandom -b8 -BH -LS C:\Tes tFile.dat sqlio v1.5.SG using system counter for latency timings, 14318180 counts per second 8 threads reading for 120 secs from file C:\TestFile.dat using 8KB random IOs enabling multiple I/Os per thread with 8 outstanding buffering set to use hardware disk cache (but not file cache) using current size: 5120 MB for file: C:\TestFile.dat initialization done CUMULATIVE DATA: throughput metrics: IOs/sec: 91.34 MBs/sec: 0.71 latency metrics: Min_Latency(ms): 14 Avg_Latency(ms): 699 Max_Latency(ms): 1124 histogram: ms: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24+ %: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100 C:\Program Files (x86)\SQLIO>sqlio -kW -t8 -s120 -o8 -fsequential -b64 -BH -LS C :\TestFile.dat sqlio v1.5.SG using system counter for latency timings, 14318180 counts per second 8 threads writing for 120 secs to file C:\TestFile.dat using 64KB sequential IOs enabling multiple I/Os per thread with 8 outstanding buffering set to use hardware disk cache (but not file cache) using current size: 5120 MB for file: C:\TestFile.dat initialization done CUMULATIVE DATA: throughput metrics: IOs/sec: 1094.50 MBs/sec: 68.40 latency metrics: Min_Latency(ms): 0 Avg_Latency(ms): 58 Max_Latency(ms): 467 histogram: ms: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24+ %: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100 C:\Program Files (x86)\SQLIO>sqlio -kR -t8 -s120 -o8 -fsequential -b64 -BH -LS C :\TestFile.dat sqlio v1.5.SG using system counter for latency timings, 14318180 counts per second 8 threads reading for 120 secs from file C:\TestFile.dat using 64KB sequential IOs enabling multiple I/Os per thread with 8 outstanding buffering set to use hardware disk cache (but not file cache) using current size: 5120 MB for file: C:\TestFile.dat initialization done CUMULATIVE DATA: throughput metrics: IOs/sec: 1155.31 MBs/sec: 72.20 latency metrics: Min_Latency(ms): 17 Avg_Latency(ms): 55 Max_Latency(ms): 205 histogram: ms: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24+ %: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100 Here are the results of the fast rack server: C:\Program Files (x86)\SQLIO>test.bat C:\Program Files (x86)\SQLIO>sqlio -kW -t8 -s120 -o8 -frandom -b8 -BH -LS E:\Tes tFile.dat sqlio v1.5.SG using system counter for latency timings, 62500000 counts per second 8 threads writing for 120 secs to file E:\TestFile.dat using 8KB random IOs enabling multiple I/Os per thread with 8 outstanding buffering set to use hardware disk cache (but not file cache) open_file: CreateFile (E:\TestFile.dat for write): The system cannot find the pa th specified. exiting C:\Program Files (x86)\SQLIO>sqlio -kR -t8 -s120 -o8 -frandom -b8 -BH -LS E:\Tes tFile.dat sqlio v1.5.SG using system counter for latency timings, 62500000 counts per second 8 threads reading for 120 secs from file E:\TestFile.dat using 8KB random IOs enabling multiple I/Os per thread with 8 outstanding buffering set to use hardware disk cache (but not file cache) open_file: CreateFile (E:\TestFile.dat for read): The system cannot find the pat h specified. exiting C:\Program Files (x86)\SQLIO>sqlio -kW -t8 -s120 -o8 -fsequential -b64 -BH -LS E :\TestFile.dat sqlio v1.5.SG using system counter for latency timings, 62500000 counts per second 8 threads writing for 120 secs to file E:\TestFile.dat using 64KB sequential IOs enabling multiple I/Os per thread with 8 outstanding buffering set to use hardware disk cache (but not file cache) open_file: CreateFile (E:\TestFile.dat for write): The system cannot find the pa th specified. exiting C:\Program Files (x86)\SQLIO>sqlio -kR -t8 -s120 -o8 -fsequential -b64 -BH -LS E :\TestFile.dat sqlio v1.5.SG using system counter for latency timings, 62500000 counts per second 8 threads reading for 120 secs from file E:\TestFile.dat using 64KB sequential IOs enabling multiple I/Os per thread with 8 outstanding buffering set to use hardware disk cache (but not file cache) open_file: CreateFile (E:\TestFile.dat for read): The system cannot find the pat h specified. exiting C:\Program Files (x86)\SQLIO>test.bat C:\Program Files (x86)\SQLIO>sqlio -kW -t8 -s120 -o8 -frandom -b8 -BH -LS c:\Tes tFile.dat sqlio v1.5.SG using system counter for latency timings, 62500000 counts per second 8 threads writing for 120 secs to file c:\TestFile.dat using 8KB random IOs enabling multiple I/Os per thread with 8 outstanding buffering set to use hardware disk cache (but not file cache) using current size: 5120 MB for file: c:\TestFile.dat initialization done CUMULATIVE DATA: throughput metrics: IOs/sec: 2575.77 MBs/sec: 20.12 latency metrics: Min_Latency(ms): 1 Avg_Latency(ms): 24 Max_Latency(ms): 655 histogram: ms: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24+ %: 0 0 0 5 8 9 9 9 8 5 3 1 1 1 1 0 0 0 0 0 0 0 0 0 37 C:\Program Files (x86)\SQLIO>sqlio -kR -t8 -s120 -o8 -frandom -b8 -BH -LS c:\Tes tFile.dat sqlio v1.5.SG using system counter for latency timings, 62500000 counts per second 8 threads reading for 120 secs from file c:\TestFile.dat using 8KB random IOs enabling multiple I/Os per thread with 8 outstanding buffering set to use hardware disk cache (but not file cache) using current size: 5120 MB for file: c:\TestFile.dat initialization done CUMULATIVE DATA: throughput metrics: IOs/sec: 1141.39 MBs/sec: 8.91 latency metrics: Min_Latency(ms): 1 Avg_Latency(ms): 55 Max_Latency(ms): 652 histogram: ms: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24+ %: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 91 C:\Program Files (x86)\SQLIO>sqlio -kW -t8 -s120 -o8 -fsequential -b64 -BH -LS c :\TestFile.dat sqlio v1.5.SG using system counter for latency timings, 62500000 counts per second 8 threads writing for 120 secs to file c:\TestFile.dat using 64KB sequential IOs enabling multiple I/Os per thread with 8 outstanding buffering set to use hardware disk cache (but not file cache) using current size: 5120 MB for file: c:\TestFile.dat initialization done CUMULATIVE DATA: throughput metrics: IOs/sec: 341.37 MBs/sec: 21.33 latency metrics: Min_Latency(ms): 5 Avg_Latency(ms): 186 Max_Latency(ms): 120037 histogram: ms: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24+ %: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100 C:\Program Files (x86)\SQLIO>sqlio -kR -t8 -s120 -o8 -fsequential -b64 -BH -LS c :\TestFile.dat sqlio v1.5.SG using system counter for latency timings, 62500000 counts per second 8 threads reading for 120 secs from file c:\TestFile.dat using 64KB sequential IOs enabling multiple I/Os per thread with 8 outstanding buffering set to use hardware disk cache (but not file cache) using current size: 5120 MB for file: c:\TestFile.dat initialization done CUMULATIVE DATA: throughput metrics: IOs/sec: 1024.07 MBs/sec: 64.00 latency metrics: Min_Latency(ms): 5 Avg_Latency(ms): 61 Max_Latency(ms): 81632 histogram: ms: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24+ %: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100 Three of the four tests are, to my mind, within reasonable parameters for the rack server. However, the 64 write test is incredibly slow on the rack server. (68 mb/sec on the slow tower vs 21 mb/s on the rack). The read speed for 64k also seems slow. Is this enough to say there is some sort of bottleneck with the shared storage? I need to know if I can take this evidence and say we need to launch an investigation into this. Any help is appreciated.

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  • Dump SQL Server Stored Procedures to Files

    - by Jake Wharton
    Is there a non-interactive (read: script-able) way to dump all stored procedures to disk? We keep versions of our stored procedures in the repository to track changes and for deployment and rollback purposes. Currently whenever we want to modify a stored procedure you have to pull it out of the DB directly when you begin your change.

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  • Portable hard disk with write-protect switch

    - by Wadih M.
    Hi, I'm looking for portable hard disks that have a physical switch (with or without key) to make it "read only" to prevent modification. Is there a particular keyword I should look for that designate those types of drives, or models I can look into, anything that can guide me will help. Thanks

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  • How can I use fetchmail (or another email grabber) with OSX keychain for authentication?

    - by bias
    Every fetchmail tutorial I've read says putting your email account password clear-text in a config file is safe. However, I prefer security through layers (since, if my terminal is up and someone suspecting such email foolery slides over and simply types "grep -i pass ~/.*" then, oops, all my base are belong to them!). Now, with msmtp (as opposed to sendmail) I can authenticate using the OSX keychain. Is there an email 'grabber' that lets me use Keychains (or at least, that lets me MD5 the password)?

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  • double-click to run .sh file

    - by Delirium tremens
    GUI: I changed the permissions of an sh file, so that I can read, write and execute it. I double-clicked it, selected run in Terminal, but it didn't run. I double-clicked it, selected run, but it didn't run. Command-Line: bash *filename* runs it sh *filename* runs it The file content is: #!/bin/bash # get dirsyncpro home DIRSYNCPRO_HOME="$(dirname $0)" # start programm and pass any parameters java -Xmx512M -jar "$DIRSYNCPRO_HOME/dirsyncpro.jar" $* Works in this person's computer: http://www.knowliz.com/2008/08/how-to-installrun-sh-file-in-linux.html What's going on?

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  • git clone is blank from a Gitosis Served Repository

    - by mykeus
    Everything is working fine with my public keys and repository activity but when one of my team members tries to clone a repository, the clone is blank, example output: bry4n@~/tests$ git clone [email protected]:tg/base.git bry4n@~/tests$ At first, It was giving the typical no read access error. Then i stripped out alot of the junk out of the configuration then he started only getting the output above.

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  • what is ranlib?

    - by Ying
    I have been using a MacOSX system for a while, but just only recently started poking into the guts. I found a guide telling me to run 'sudo ranlib /usr/local/lib/libjpeg.a'(installing libjpeg). I have read the ranlib manual, and tried looking online on it. I simply don't understand. What resources do I need to look up to learn more, or can someone give a concise explanation on its use? Thanks in advance!

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  • Clarification on Hyper-V licensing, features, and version

    - by gravyface
    As I understand it, you can do: Windows 2008 + Hyper-V role Windows Hyper-V Server (which is free I believe) Windows 2008 Core + Hyper-V Role I'm assuming that Core + Hyper-V and Hyper-V Server have the smallest footprint, and therefore better performing, less patching, etc. What other trade-offs/compromises would there be compared to the full Windows + Hyper-V role? However, I've read somewhere that Enterprise comes with four Enterprise 2008 (4) guest VM licenses (I think Standard gives you two (2)). Can someone clarify these statements?

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  • Looking to display a text RSS feed as Windows 7 desktop/background

    - by Matt
    I'd like to display an RSS feed (updating dynamically of course) on my Windows 7 desktop. The posts I've read about Windows 7 RSS backgrounds are all about displaying various background images delivered via RSS. What I'm looking for would be similar to the Windows XP/95 Active Desktop feature which allowed for web pages to be presented on the desktop background.

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  • Do I dare clicking Delete Volume instead of Delete Partition?

    - by Olle
    I have a VMWare machine with one VM. That VM has a virtual disk which in windows is configured with two partitions and then a lot of slack space, as illustrated here: http://piclair.com/q8g5s What I want to do is delete the partition of 639 GB. However, since it's a dynamic disk, the right menu item says "Delete Volume" instead of "Delete Partition" (when I right click the 639GB space). My question is weather I dare to use "Delete Volume". I have read doing stuff like this on a dynamic volume can cause other partitions/volumes to go corrupt.

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  • linux thread synchronization

    - by johnnycrash
    I am new to linux and linux threads. I have spent some time googling to try to understand the differences between all the functions available for thread synchronization. I still have some questions. I have found all of these different types of synchronizations, each with a number of functions for locking, unlocking, testing the lock, etc. gcc atomic operations futexes mutexes spinlocks seqlocks rculocks conditions semaphores My current (but probably flawed) understanding is this: semaphores are process wide, involve the filesystem (virtually I assume), and are probably the slowest. Futexes might be the base locking mechanism used by mutexes, spinlocks, seqlocks, and rculocks. Futexes might be faster than the locking mechanisms that are based on them. Spinlocks dont block and thus avoid context swtiches. However they avoid the context switch at the expense of consuming all the cycles on a CPU until the lock is released (spinning). They should only should be used on multi processor systems for obvious reasons. Never sleep in a spinlock. The seq lock just tells you when you finished your work if a writer changed the data the work was based on. You have to go back and repeat the work in this case. Atomic operations are the fastest synch call, and probably are used in all the above locking mechanisms. You do not want to use atomic operations on all the fields in your shared data. You want to use a lock (mutex, futex, spin, seq, rcu) or a single atomic opertation on a lock flag when you are accessing multiple data fields. My questions go like this: Am I right so far with my assumptions? Does anyone know the cpu cycle cost of the various options? I am adding parallelism to the app so we can get better wall time response at the expense of running fewer app instances per box. Performances is the utmost consideration. I don't want to consume cpu with context switching, spinning, or lots of extra cpu cycles to read and write shared memory. I am absolutely concerned with number of cpu cycles consumed. Which (if any) of the locks prevent interruption of a thread by the scheduler or interrupt...or am I just an idiot and all synchonization mechanisms do this. What kinds of interruption are prevented? Can I block all threads or threads just on the locking thread's CPU? This question stems from my fear of interrupting a thread holding a lock for a very commonly used function. I expect that the scheduler might schedule any number of other workers who will likely run into this function and then block because it was locked. A lot of context switching would be wasted until the thread with the lock gets rescheduled and finishes. I can re-write this function to minimize lock time, but still it is so commonly called I would like to use a lock that prevents interruption...across all processors. I am writing user code...so I get software interrupts, not hardware ones...right? I should stay away from any functions (spin/seq locks) that have the word "irq" in them. Which locks are for writing kernel or driver code and which are meant for user mode? Does anyone think using an atomic operation to have multiple threads move through a linked list is nuts? I am thinking to atomicly change the current item pointer to the next item in the list. If the attempt works, then the thread can safely use the data the current item pointed to before it was moved. Other threads would now be moved along the list. futexes? Any reason to use them instead of mutexes? Is there a better way than using a condition to sleep a thread when there is no work? When using gcc atomic ops, specifically the test_and_set, can I get a performance increase by doing a non atomic test first and then using test_and_set to confirm? *I know this will be case specific, so here is the case. There is a large collection of work items, say thousands. Each work item has a flag that is initialized to 0. When a thread has exclusive access to the work item, the flag will be one. There will be lots of worker threads. Any time a thread is looking for work, they can non atomicly test for 1. If they read a 1, we know for certain that the work is unavailable. If they read a zero, they need to perform the atomic test_and_set to confirm. So if the atomic test_and_set is 500 cpu cycles because it is disabling pipelining, causes cpu's to communicate and L2 caches to flush/fill .... and a simple test is 1 cycle .... then as long as I had a better ratio of 500 to 1 when it came to stumbling upon already completed work items....this would be a win.* I hope to use mutexes or spinlocks to sparilngly protect sections of code that I want only one thread on the SYSTEM (not jsut the CPU) to access at a time. I hope to sparingly use gcc atomic ops to select work and minimize use of mutexes and spinlocks. For instance: a flag in a work item can be checked to see if a thread has worked it (0=no, 1=yes or in progress). A simple test_and_set tells the thread if it has work or needs to move on. I hope to use conditions to wake up threads when there is work. Thanks!

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  • How to split a multipage TIFF file on Windows?

    - by Portman
    I thought Adobe Photoshop could do everything, but apparently it cannot read multipage TIFF files. I have a TIFF file with four pages, and I need to edit one of the pages. Windows Picture Viewer can print all four pages, but cannot split them. Anyone know how I can split the original TIFF into four separate images suitable for editing? The Google search for "free tiff splitter windows" returns lots of suspicious looking downloads.

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