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  • Effect of 'myObj = [[[[MyClass alloc] init] autorelease] retain];'?

    - by filipe
    I've just downloaded the Facebook iOS SDK and I noticed that in the sample code that comes with the SDK whenever it creates an instance of the Facebook class it does it like this: _facebook = [[[[Facebook alloc] init] autorelease] retain]; where _facebook is a member variable of the calling object (i.e. not a local variable). Can anyone explain exactly what's the point of autoreleasing and then retaining it?

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  • How to calculate required switch speed based on network usage?

    - by tobefound
    I have a 48 port HP Procurve Switch 2610 (J9088A) that can handle 13.0 million PPS (packets per second) and features wire speed switching capacity at 17.6Gbps. First off, what does that REALLY mean? Where do I start when trying to figure out if my office (with 70 employees) will be well setup with this switch? How to calculate through-put based on a user average load of X MB per day? 90% of the folks will only be sending email, access random websites, etc... the other 10% will be conducting heavier tasks like moving image files (10 MB) across network shares, constant external FTP streams through the switch to a server etc... Is this switch good enough?

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  • MySQL 5.1 - logging CREATE/ALTER statements

    - by pako
    Is it possible to log CREATE / ALTER statements issued on a MySQL server? I heard that it could be done with a trigger, but I can't seem to find suitable code anywhere. I would like to log these statements to a table, preferably with the timestamp of when they were issued. Can someone provide me with a sample trigger that would enable me to accomplish this? I would like to log these statements so I can easily synchronize the changes with another MySQL server.

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  • Calling webservice with the generated xml in Java

    - by engin
    Hi, I need to call a very complex service (It's a HL7 service) it's taking a lot of unnecessary information. To call from java I need to write all those information and its very time consuming. I have sample XMLs, they have been filled with those unnecessary information, I just need to change 1 parameter and send it. How can I use that already generated XML? Thanks,

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  • Dependency propery Binding Problem

    - by deepak
    i have attached my sample project here, http://cid-08ec3041618e8ee4.skydrive.live.com/self.aspx/.SharedFavorites/dep2.rar Can any one look and tell whats wrong in that, everythng working well, but i cant bind the value in text box, when u click the button u can see the passed value to usercontrol in message box, but i cant bind that value in text box. Why????

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  • Symlink across local volumes in webroot?

    - by geerlingguy
    I am looking for a good short-term solution to storage space concerns on my website. Currently, I have all uploaded files (flash video, images, etc.) inside the 'files' directory in my web root (/home/account/public_html/files). That directory is located on my high-speed main hard drive (a 15k SCSI drive). I have another drive with much more capacity, but spinning at 10k rpm (so still fast, but not as good for random reads/writes as the main drive. The entire drive is mounted at /backup Right now I'm just using it as a backup volume. I would like to create a symlink from my /home/account/public_html/files folder to /backup/files, and have all files reside on the second drive. However, if someone accesses a file at http://www.example.com/files/filename.jpg, would it still work if I symlinked to the second drive? (Basically, would Apache/PHP automatically know to follow the symlink for that directory?).

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  • RegExp to validate a formula (string/boolean/numeric expression)?

    - by JSteve
    I have used regExp quit a bit of times but still far from being an expert. This time I want to validate a formula (or math expression) by regExp. The difficult part here is to validate proper starting and ending parentheses with in the formula. I believe, there would be some sample on the web but I could not find it. Can somebody post a link for such example? or help me by some other means?

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  • How can I use wildcard urls with Code Igniter?

    - by tarnfeld
    I am building a system that has urls like app.com/login and app.com/dothing but it will also have app.com/xOldP. The web application is build using the latest version of Code Igniter and I was wondering if there was a way to add a check in, that if the url is a controller then do that and finish, but if not, do something else (which will check the url and if its not real 404, which I can do). I was wondering how annoying this would be :/ Some sample code or links would be great!

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  • Messages going missing from Apple mailboxes

    - by Ho Li Cow
    A colleague has noticed random messages being deleted from her Apple Mailboxes. e.g. Message sent to client - client replies - original message nowhere to be found. Not in sent items/sent messages/junk/trash. No rules set up. Have tried rebuilding mailboxes but message doesn't show up. Quite worrying really as it was only noticed by chance so don't know how long/how widespread it is. Mail is controlled by Exchange 2003 server. Anyone come across this before or know what's happening? Many thanks MBP 2.53GHz OS X 10.5.8 Mail 3.6

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  • C# cannot find file specified

    - by Splendid
    Hi I am trying to create a app that uses the msg.exe to send messages over a network. When i execute msg from cmd everything works fine, but when i open cmd with the form i am unable to, went to the system32 folder with cmd and the file is not shown there, but when i browse or use cmd normally it is and evrything works tested it on another computer and app works fine, running win 7 64 bit on this 1. Here is a code sample that i use to open cmd: Process.Start("cmd");

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  • How to handle knowledge handover effectively?

    - by Zizzencs
    Let's say a large enterprise opens a new office in (insert random location here) and want the new colleges up to speed as fast as possible. Let's also say this enterprise is a very typical one with a complex environment, lots of history and almost full lack of documentation. What's already been decided is that the new colleges will receive howto-style documentation for the most typical tasks and will get seme architecture documentation for some of the more complicated systems. Any ideas about improving this process? And more specifically, how should such a howto document look like to be helpful?

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  • MVVM, Animations, Binding - I need a quick question answered.

    - by Peanut
    http://stackoverflow.com/questions/2455963/wpf-mvvm-dynamic-animation-using-storyboards There is a question i have found that relates directly to the issue I am having. The answer provided in that thread is a bit short, however. I did a little looking on google for 'attached properties' and i still remain a bit confused. Could someone shed a little light regarding this question? Perhaps provide a little sample code for the link stated above? Thanks in advance

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  • log4bash: Cannot find a way to add MaxBackupIndex to this logger implementation

    - by Syffys
    I have been trying to modify this log4bash implementation but I cannot manage to make it work. Here's a sample: #!/bin/bash TRUE=1 FALSE=0 ############### Added for testing log4bash_LOG_ENABLED=$TRUE log4bash_rootLogger=$TRACE,f,s log4bash_appender_f=file log4bash_appender_f_dir=$(pwd) log4bash_appender_f_file=test.log log4bash_appender_f_roll_format=%Y%m log4bash_appender_f_roll=$TRUE log4bash_appender_f_maxBackupIndex=10 #################################### log4bash_abs(){ if [ "${1:0:1}" == "." ]; then builtin echo ${rootDir}/${1} else builtin echo ${1} fi } log4bash_check_app_dir(){ if [ "$log4bash_LOG_ENABLED" -eq $TRUE ]; then dir=$(log4bash_abs $1) if [ ! -d ${dir} ]; then #log a seperation line mkdir $dir fi fi } # Delete old log files # $1 Log directory # $2 Log filename # $3 Log filename suffix # $4 Max backup index log4bash_delete_old_files(){ ##### Added for testing builtin echo "Running log4bash_delete_old_files $@" &2 ##### if [ "$log4bash_LOG_ENABLED" -eq $TRUE ] && [ -n "$3" ] && [ "$4" -gt 0 ]; then local directory=$(log4bash_abs $1) local filename=$2 local maxBackupIndex=$4 local suffix=$(echo "${3}" | sed -re 's/[^.]/?/g') local logFileList=$(find "${directory}" -mindepth 1 -maxdepth 1 -name "${filename}${suffix}" -type f | xargs ls -1rt) local fileCnt=$(builtin echo -e "${logFileList}" | wc -l) local fileToDeleteCnt=$(($fileCnt-$maxBackupIndex)) local fileToDelete=($(builtin echo -e "${logFileList}" | head -n "${fileToDeleteCnt}" | sed ':a;N;$!ba;s/\n/ /g')) ##### Added for testing builtin echo "log4bash_delete_old_files About to start deletion ${fileToDelete[@]}" &2 ##### if [ ${fileToDeleteCnt} -gt 0 ]; then for f in "${fileToDelete[@]}"; do #### Added for testing builtin echo "Removing file ${f}" &2 #### builtin eval rm -f ${f} done fi fi } #Appender # $1 Log directory # $2 Log file # $3 Log file roll ? # $4 Appender Name log4bash_filename(){ builtin echo "Running log4bash_filename $@" &2 local format local filename log4bash_check_app_dir "${1}" if [ ${3} -eq 1 ];then local formatProp=${4}_roll_format format=${!formatProp} if [ -z ${format} ]; then format=$log4bash_appender_file_format fi local suffix=.`date "+${format}"` filename=${1}/${2}${suffix} # Old log files deletion local previousFilenameVar=int_${4}_file_previous local maxBackupIndexVar=${4}_maxBackupIndex if [ -n "${!maxBackupIndexVar}" ] && [ "${!previousFilenameVar}" != "${filename}" ]; then builtin eval export $previousFilenameVar=$filename log4bash_delete_old_files "${1}" "${2}" "${suffix}" "${!maxBackupIndexVar}" else builtin echo "log4bash_filename $previousFilenameVar = ${!previousFilenameVar}" fi else filename=${1}/${2} fi builtin echo $filename } ######################## Added for testing filename_caller(){ builtin echo "filename_caller Call $1" output=$(log4bash_abs $(log4bash_filename "${log4bash_appender_f_dir}" "${log4bash_appender_f_file}" "1" "log4bash_appender_f" )) builtin echo ${output} } #### Previous logs generation for i in {1101..1120}; do file="${log4bash_appender_f_file}.2012${i:2:3}" builtin echo "${file} $i" touch -m -t "2012${i}0000" ${log4bash_appender_f_dir}/$file done for i in {1..4}; do filename_caller $i done I expect log4bash_filename function to step into the following if only when the calculated log filename is different from the previous one: if [ -n "${!maxBackupIndexVar}" ] && [ "${!previousFilenameVar}" != "${filename}" ]; then For this scenario to apply, I'd need ${!previousFilenameVar} to be correctly set, but it's not the case, so log4bash_filename steps into this if all the time which is really not necessary... It looks like the issue is due to the following line not working properly: builtin eval export $previousFilenameVar=$filename I have a some theories to explain why: in the original code, functions are declared and exported as readonly which makes them unable to modify global variable. I removed readonly declarations in the above sample, but probleme persists. Function calls are performed in $() which should make them run into seperated shell instances so variable modified are not exported to the main shell But I cannot manage to find a workaround to this issue... Any help is appreciated, thanks in advance!

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  • Get the union of 2 series having different root items in WTX

    - by Jean
    Here is a sample of my problem. I have the following typetree : Root |-Text(item) |-Texts(group, delimited, literal separator=<NEXT>) I have 3 cards : serie1 (type=Texts), rule =clone("test", 3) serie2 (type=Texts), rule =clone("test", 3) union (type=Texts), rule =? How can I get the union to contain both the values from serie1 and serie2 ?

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  • basic JSON pulling data help..

    - by Webby
    New to json data and struggling i guess the answer is real easy but been bugging me for the last hour.. Sample data { "data": { "userid": "17", "dates": { "timestame": "1275528578", }, "username": "harino54", } } Ok I can pull userid or username easy enough with echo "$t->userid" or echo "$t->username " but how do I pull data from the brackets within ? in this case timestame? cant seem to figure it out.. any ideas?

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  • How can i find a file in system from flex

    - by praveen
    Hi, I am loading data from one sample.xml file using http service. the xml file will generated by jsp and it is saving in one proper location like(d:/programfiles/some.xml).now when I first time login to application i need to check whether that xml file is present or not. How can I check? Please help me in this it will very help full for me.

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  • Wireless only connects to Google

    - by dmanxiii
    I am using a netgear wireless router to connect to create a wireless network. When connected to the router via an Ethernet cable everything works correctly. When connecting to the router via wireless only Google can be accessed. I've done searches via Google using random words to make sure that it is not a cached page, and these all work. However, trying to connect to any non Google domain the page fails to load. I've accessed the connection with two different laptops, both are running Windows Vista. The network connection is strong on both, but the issue persists for both. Edit: I have configured the wireless networks name and password, and connect to that using the credentials I have defined. I am sure I am not connecting to a neighbors wireless network. Edit2: Typing in the direct IP address for CNN.com ( http://157.166.255.19 ) would not resolve.

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  • File corruption

    - by firesoul
    Recently, almost every file I try to copy into my HDDs gets corrupted. When writing to the disk, some portion of the file is replaced by random bytes (Checked using Diff apps) There's no problem reading existing files. I'm pretty sure it's not the HDD, becasue I've tried another HDD (a brand new 1TB WD) and the problem still remains. I have an AMD Athlon 64 X2 CPU, an ASUS M2NE motherboard, 2 WD SATA II HDDs (320GB + 1TB) and 3GB of Corsair RAM. My OS is Windows 7 (64 bit) Now, what could be the cause of this? If it's the motherboard, can it be fixed by using a PCI SATA card?

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  • shouldAutorotateToInterfaceOrientation always get called more than once.

    - by lovecactus
    (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation My code get this event more than once while device is rotating. I'm searching in apple docs for reference but seems no lucky. Could any one offer a hint why this is happening? My code is an apple doc sample code, without any change but some logs. http://developer.apple.com/iphone/library/samplecode/AlternateViews/Introduction/Intro.html#//apple_ref/doc/uid/DTS40008755

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  • What's the behaviour when opening a group of files at once?

    - by Leo King
    I selected a group of .odt files, right-clicked the first one and selected open. I would have thought they would open in alphabetical order, but as the second screenshot shows, they're not - the one with "2014-11-13" opens before "2013-10-23". And then when I select the whole group and press Enter, they open in order - and sometimes they don't. What's the behaviour when you right-click and open for a batch of files? Does it start with the one you selected and pick random files in the list to open next?

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  • Are some .ogv/.ogv files possible to be corrupted, to make it not possible to loop?

    - by C15R
    I discovered by trial and error that my one .ogv video will not loop, but if I interchange a random .ogv video from wikipedia that one does loop, and they are both called .ogv. Why is this? Is the not-looping file corrupted? EDIT! I just had a breakthrough! I discovered if I view the webpage using my computer's version of the file (not-uploaded version), then it does loop! (I open index.html on my computer, and it is a relative URL) But! The version which is uploaded onto my web server does not loop. (I changed the relative URL to an absolute URL which points to the file on my server. I tried re-uploading it, but still does not loop. If someone has an answer to why this is and how I can fix it, I will be very grateful!

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  • Multiple .bkf files created in Backupexec 12.5 or 2010 related to heavy I/O?

    - by syuusuke
    Hey everyone, I was wondering if anyone who has used backupexec 12.5 or 2010 have ever experienced multiple .bkf files created for a single job. To describe what I mean by multiple files, the .bkf are being created with random file sizes under 2GB even though I've assigned the setting to chop the file after 10GB size. Some jobs will create 20x .bkf files in 1 job with file chunks ranging from 50MB to 800MB sizes. Is this is a sign of heavy I/O issues? Bandwidth limitations? I'm not sure, I'm here to seek some advices and suggestions. I've setup another backup server with the same exact settings and they seem to create a new .bkf file when 10GB limit has been reached. Although I am backing up different machines but I know my settings are an exact match to the problematic or atleast I think it's a problem.

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