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• Is the structure of my site's navigation (via price/service tables) considered 'Duplicate Content' by Google?

  - by James Gadsby

  As I'm building my business website, I'm using service/price tables at the bottom of each service page to demonstrate to customers/potential clients my other offerings. Of course, given that there are 7 or 8 service pages, each with (according to Google) the same service descriptions below the original content for that service, would this be counting as duplicate content? If so, what could I do about it?

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• Why does GtkCalendar counts months from 0?

  - by int_ua

  So I spent several hours in rage, figuring out why isn't my code writing to the /sys/class/rtc/rtc0/wakealarm correctly. The problem is that it doesn't return anything if the value is wrong. And finally I noticed this small 5 between the year and the day. Why isn't it counting days and years from zero for consistency? For comparison: QCalendarWidget counts month from 1 to 12 (docs) So GtkCalendar... F**k You!

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• Can Search Engine Optimization Rescue Your Online Business?

  I am certain that you designed and hosted a website for the simple fact that it could possibly make your income two folds. I am also certain that you started counting your chicken even before they hatched and that you started building castles even before you can launch your website.

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• Since Google reduces the value of links alongside nofollow links, what is an alternative?

  - by SharkTheDark

  Since 2009, Google counts nofollow links also as outgoing links, and thus reduces the value of the other links. What are some alternatives to stop Google counting outside links from my page? If I make links appear on my page source like this: <span hrefs="http://link" rel="nofollow" link="true">Link Name</span> and then in JavaScript replace span with a tag and replace hrefs with href for every span tag that has link="true". Will this help?

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• Since Google doesn't use nofollow anymore what is an alternative?

  - by SharkTheDark

  Since 2009, Google counts nofollow links also as outgoing links. What are some alternatives to stop Google counting outside links from my page? If I make links appear on my page source like this: <span hrefs="http://link" rel="nofollow" link="true">Link Name</span> and then in JavaScript replace span with a tag and replace hrefs with href for every span tag that has link="true". Will this help?

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• ?Oracle????SELECT????UNDO

  - by Liu Maclean(???)

  ????????Oracle?????(dirty read),?Oracle??????Asktom????????Oracle???????, ???undo??????????(before image)??????Consistent, ???????????????Oracle????????????? ????????? ??,??,Oracle?????????????RDBMS,???????????? ?????????2?????: _offline_rollback_segments or _corrupted_rollback_segments ?2?????????Oracle???????????ORA-600[4XXX]???????????????,???2??????Undo??Corruption????????????,?????2????????????????? ??????????????_offline_rollback_segments ? _corrupted_rollback_segments ?2?????: ???????(FORCE OPEN DATABASE) ????????????(consistent read & delayed block cleanout) ??????rollback segment??? ?????:???????Oracle????????,??????????2?????,?????????????!! _offline_rollback_segments ? _corrupted_rollback_segments ???????????: ??2???????Undo Segments(???/???)????????online ?UNDO$???????????OFFLINE??? ???instance??????????????????? ??????Undo Segments????????active transaction????????????dead??SMON???(????????SMON??(?):Recover Dead transaction) _OFFLINE_ROLLBACK_SEGMENTS(offline undo segment list)????(hidden parameter)?????: ???startup???open database???????_OFFLINE_ROLLBACK_SEGMENTS????Undo segments(???/???),?????undo segments????????alert.log???TRACE?????,???????startup?? ?????????????,?ITL?????undo segments?: ???undo segments?transaction table?????????????????? ???????????commit,?????CR??? ????undo segments????(???corrupted??,???missed??)???????????alert.log,??????? ?DML?????????????????????????????????CPU,????????????????????? _CORRUPTED_ROLLBACK_SEGMENTS(corrupted undo segment list)??????????: ?????startup?open database???_CORRUPTED_ROLLBACK_SEGMENTS????undo segments(???/???)???????? ???????_CORRUPTED_ROLLBACK_SEGMENTS???undo segments????????????commit,???undo segments???drop??? ??????????? ??????????????????,?????????????????? ??bootstrap???????????,?????????ORA-00704: bootstrap process failure??,???????????(???Oracle????:??ORA-00600:[4000] ORA-00704: bootstrap process failure????) ??????_CORRUPTED_ROLLBACK_SEGMENTS????????????????????,??????????????? Oracle???????TXChecker??????????? ???????2?????,??????????????_CORRUPTED_ROLLBACK_SEGMENTS?????SELECT????UNDO???????: SQL> alter system set event= '10513 trace name context forever, level 2' scope=spfile; System altered. SQL> alter system set "_in_memory_undo"=false scope=spfile; System altered. 10513 level 2 event????SMON ??rollback ??? dead transaction _in_memory_undo ?? in memory undo ?? SQL> startup force; ORACLE instance started. Total System Global Area 3140026368 bytes Fixed Size 2232472 bytes Variable Size 1795166056 bytes Database Buffers 1325400064 bytes Redo Buffers 17227776 bytes Database mounted. Database opened. session A: SQL> conn maclean/maclean Connected. SQL> create table maclean tablespace users as select 1 t1 from dual connect by level exec dbms_stats.gather_table_stats('','MACLEAN'); PL/SQL procedure successfully completed. SQL> set autotrace on; SQL> select sum(t1) from maclean; SUM(T1) ---------- 501 Execution Plan ---------------------------------------------------------- Plan hash value: 1679547536 ------------------------------------------------------------------------------ | Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | ------------------------------------------------------------------------------ | 0 | SELECT STATEMENT | | 1 | 3 | 3 (0)| 00:00:01 | | 1 | SORT AGGREGATE | | 1 | 3 | | | | 2 | TABLE ACCESS FULL| MACLEAN | 501 | 1503 | 3 (0)| 00:00:01 | ------------------------------------------------------------------------------ Statistics ---------------------------------------------------------- 1 recursive calls 0 db block gets 3 consistent gets 0 physical reads 0 redo size 515 bytes sent via SQL*Net to client 492 bytes received via SQL*Net from client 2 SQL*Net roundtrips to/from client 0 sorts (memory) 0 sorts (disk) 1 rows processe ???????????,????current block, ????????,consistent gets??3? SQL> update maclean set t1=0; 501 rows updated. SQL> alter system checkpoint; System altered. ??session A?commit; ???? session: SQL> conn maclean/maclean Connected. SQL> SQL> set autotrace on; SQL> select sum(t1) from maclean; SUM(T1) ---------- 501 Execution Plan ---------------------------------------------------------- Plan hash value: 1679547536 ------------------------------------------------------------------------------ | Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | ------------------------------------------------------------------------------ | 0 | SELECT STATEMENT | | 1 | 3 | 3 (0)| 00:00:01 | | 1 | SORT AGGREGATE | | 1 | 3 | | | | 2 | TABLE ACCESS FULL| MACLEAN | 501 | 1503 | 3 (0)| 00:00:01 | ------------------------------------------------------------------------------ Statistics ---------------------------------------------------------- 0 recursive calls 0 db block gets 505 consistent gets 0 physical reads 108 redo size 515 bytes sent via SQL*Net to client 492 bytes received via SQL*Net from client 2 SQL*Net roundtrips to/from client 0 sorts (memory) 0 sorts (disk) 1 rows processed ?????? ?????????undo??CR?,???consistent gets??? 505 [oracle@vrh8 ~]$ ps -ef|grep LOCAL=YES |grep -v grep oracle 5841 5839 0 09:17 ? 00:00:00 oracleG10R25 (DESCRIPTION=(LOCAL=YES)(ADDRESS=(PROTOCOL=beq))) [oracle@vrh8 ~]$ kill -9 5841 ??session A???Server Process????,???dead transaction ????smon?? select ktuxeusn, to_char(sysdate, 'DD-MON-YYYY HH24:MI:SS') "Time", ktuxesiz, ktuxesta from x$ktuxe where ktuxecfl = 'DEAD'; KTUXEUSN Time KTUXESIZ KTUXESTA ---------- -------------------- ---------- ---------------- 2 06-AUG-2012 09:20:45 7 ACTIVE ???1?active rollback segment SQL> conn maclean/maclean Connected. SQL> set autotrace on; SQL> select sum(t1) from maclean; SUM(T1) ---------- 501 Execution Plan ---------------------------------------------------------- Plan hash value: 1679547536 ------------------------------------------------------------------------------ | Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | ------------------------------------------------------------------------------ | 0 | SELECT STATEMENT | | 1 | 3 | 3 (0)| 00:00:01 | | 1 | SORT AGGREGATE | | 1 | 3 | | | | 2 | TABLE ACCESS FULL| MACLEAN | 501 | 1503 | 3 (0)| 00:00:01 | ------------------------------------------------------------------------------ Statistics ---------------------------------------------------------- 0 recursive calls 0 db block gets 411 consistent gets 0 physical reads 108 redo size 515 bytes sent via SQL*Net to client 492 bytes received via SQL*Net from client 2 SQL*Net roundtrips to/from client 0 sorts (memory) 0 sorts (disk) 1 rows processed ????? ????kill?? ???smon ??dead transaction , ???????????? ?????undo??????? ????active?rollback segment??? SQL> select segment_name from dba_rollback_segs where segment_id=2; SEGMENT_NAME ------------------------------ _SYSSMU2$ SQL> alter system set "_corrupted_rollback_segments"='_SYSSMU2$' scope=spfile; System altered. ? _corrupted_rollback_segments ?? ???2?rollback segment, ????????undo SQL> startup force; ORACLE instance started. Total System Global Area 3140026368 bytes Fixed Size 2232472 bytes Variable Size 1795166056 bytes Database Buffers 1325400064 bytes Redo Buffers 17227776 bytes Database mounted. Database opened. SQL> conn maclean/maclean Connected. SQL> set autotrace on; SQL> select sum(t1) from maclean; SUM(T1) ---------- 94 Execution Plan ---------------------------------------------------------- Plan hash value: 1679547536 ------------------------------------------------------------------------------ | Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | ------------------------------------------------------------------------------ | 0 | SELECT STATEMENT | | 1 | 3 | 3 (0)| 00:00:01 | | 1 | SORT AGGREGATE | | 1 | 3 | | | | 2 | TABLE ACCESS FULL| MACLEAN | 501 | 1503 | 3 (0)| 00:00:01 | ------------------------------------------------------------------------------ Statistics ---------------------------------------------------------- 228 recursive calls 0 db block gets 29 consistent gets 5 physical reads 116 redo size 514 bytes sent via SQL*Net to client 492 bytes received via SQL*Net from client 2 SQL*Net roundtrips to/from client 4 sorts (memory) 0 sorts (disk) 1 rows processed SQL> / SUM(T1) ---------- 94 Execution Plan ---------------------------------------------------------- Plan hash value: 1679547536 ------------------------------------------------------------------------------ | Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | ------------------------------------------------------------------------------ | 0 | SELECT STATEMENT | | 1 | 3 | 3 (0)| 00:00:01 | | 1 | SORT AGGREGATE | | 1 | 3 | | | | 2 | TABLE ACCESS FULL| MACLEAN | 501 | 1503 | 3 (0)| 00:00:01 | ------------------------------------------------------------------------------ Statistics ---------------------------------------------------------- 0 recursive calls 0 db block gets 3 consistent gets 0 physical reads 0 redo size 514 bytes sent via SQL*Net to client 492 bytes received via SQL*Net from client 2 SQL*Net roundtrips to/from client 0 sorts (memory) 0 sorts (disk) 1 rows processed ?????? consistent gets???3,?????????????????,??ITL???UNDO SEGMENTS?_corrupted_rollback_segments????,???????????COMMIT??,????UNDO? ???????,?????????????????????????(????????????????????),????????????????? ???? , ?????

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• Using an ATA-100 Hard Drive with a Thermaltake BlacX External Hard Drive Dock

  - by Joe

  Is it possible for a Thermaltake BlacX HDD Dock to connect to and recognize an ATA-100 Hard Drive? I know that the specifications for the BlacX say that it only supports SATA & SATAII, but I was hoping for one of three things: 1) for it to still work even though it isn't supported 2) for there to be some sort of workaround to make this possible 3) for there to be another part of some sort that I could purchase to make this work

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• How to stop Excel 2003 from loading a Gazillion files

  - by Gary M. Mugford

  One of my soon-to-be-ex-friends got an Excel file from another friend of his and decided to click on it. It started opening all kinds of files from within Excel. Over 200 and still counting when he called me. I told him to go to task manager, which showed a LOT of files in the applications tab, but only one Excel.exe in the processes tab. Closing it down there, closed down Excel. I then CrossLooped in to see if I could give him a helping hand. Each time Excel was re-opened, the mass influx of files started. They were all kinds of files, PDFs, Docs, JPGs, even some spreadsheets. It looked like the end of solitaire, with multiple windows opening (XP) and the counter on the lone Excel button on the task bar counting off the files. I did the task manager exit routine and went looking for temp files. I CrapCleaned out the system. Made sure I went through the files created in the last hour and deleted anything with a temp anywhere in it. I also deleted the crappy infected/corrupted file from it's place on the desktop (yeah, I know, I yelled for 15 minutes on THAT subject). Despite a delousing, the restart of Excel, which complained of a deactivated add-in, would start the cascading windows, whether I answered yes or no to that question. Yes, it knew it had a serious crash, but why would it just keep on trying to load the bad file, even when I got rid of it? But here's the real question. WHERE was it loading from? I went through the backup folder and NOTHING was there! So what's the process for starting Excel WITHOUT it trying to do a crash recovery? Sort of makes me feel stupid at times. Thanks for any light you can shed on this issue. GM

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• Most common account names used in ssh brute force attacks

  - by Charles Stewart

  Does anyone maintain lists of the most frequently guessed account names that are used by attackers brute-forcing ssh? For your amusement, from my main server's logs over the last month (43 313 failed ssh attempts), with root not getting as far as sshd: cas@txtproof:~$ grep -e sshd /var/log/auth* | awk ' { print $8 }' | sort | uniq -c | sort | tail -n 13 32 administrator 32 stephen 34 administration 34 sales 34 user 35 matt 35 postgres 38 mysql 42 oracle 44 guest 86 test 90 admin 16513 checking

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• How can I replace email alerts for system events with something more scalable?

  - by Dave Forgac

  I have a number of systems and services that send email alerts when some sort of event takes place. This works fine for a small number of systems but as the number of alerts grows the important message become less visible among the informational notices. Email filtering can only be effective to a point. What sort of solution can I use in place of emails that will allow me to send arbitrary alerts from various services and that will scale easily as the number of services grows?

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• Bash Completion Script Help

  - by inxilpro

  So I'm just starting to learn about bash completion scripts, and I started to work on one for a tool I use all the time. First I built the script using a set list of options: _zf_comp() { local cur prev actions COMPREPLY=() cur="${COMP_WORDS[COMP_CWORD]}" prev="${COMP_WORDS[COMP_CWORD-1]}" actions="change configure create disable enable show" COMPREPLY=($(compgen -W "${actions}" -- ${cur})) return 0 } complete -F _zf_comp zf This works fine. Next, I decided to dynamically create the list of available actions. I put together the following command: zf | grep "Providers and their actions:" -A 100 | grep -P "^\s*\033\[36m\s*zf" | awk '{gsub(/[[:space:]]*/, "", $3); print $3}' | sort | uniq | awk '{sub("\-", "\\-", $1); print $1}' | tr \\n " " | sed 's/^ *\(.*\) *$/\1/' Which basically does the following: Grabs all the text in the "zf" command after "Providers and their actions:" Grabs all the lines that start with "zf" (I had to do some fancy work here 'cause the ZF command prints in color) Grab the second piece of the command and remove any spaces from it (the spaces part is probably not needed any more) Sort the list Get rid of any duplicates Escape dashes (I added this when trying to debug the problem—probably not needed) Trim all new lines Trim all leading and ending spaces The above command produces: $ zf | grep "Providers and their actions:" -A 100 | grep -P "^\s*\033\[36m\s*zf" | awk '{gsub(/[[:space:]]*/, "", $3); print $3}' | sort | uniq | awk '{sub("\-", "\\-", $1); print $1}' | tr \\n " " | sed 's/^ *\(.*\) *$/\1/' change configure create disable enable show $ So it looks to me like it's producing the exact same string as I had in my original script. But when I do: _zf_comp() { local cur prev actions COMPREPLY=() cur="${COMP_WORDS[COMP_CWORD]}" prev="${COMP_WORDS[COMP_CWORD-1]}" actions=`zf | grep "Providers and their actions:" -A 100 | grep -P "^\s*\033\[36m\s*zf" | awk '{gsub(/[[:space:]]*/, "", $3); print $3}' | sort | uniq | awk '{sub("\-", "\\-", $1); print $1}' | tr \\n " " | sed 's/^ *\(.*\) *$/\1/'` COMPREPLY=($(compgen -W "${actions}" -- ${cur})) return 0 } complete -F _zf_comp zf My autocompletion starts acting up. First, it won't autocomplete anything with an "n" in it, and second, when it does autocomplete ("zf create" for example) it won't let me backspace over my completed command. The first issue I'm completely stumped on. The second I'm thinking might have to do with escape characters from the colored text. Any ideas? It's driving me crazy!

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• Is it dangerous if I store a copy of an infected website on my local disk?

  - by alex

  First, I'm not into HTML and PHP programming. A friend's Joomla site was hacked by some sort of html injection, and now every php and html file has an iframe which is linked to some sort of malware page. And now I want to copy the infected files from the server to my machine and "clean" them. Is this dumb and dangerous?

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• Using an ATA-100 Hard Drive with a Thermaltake BlacX External Hard Drive Dock

  - by Joe

  Is it possible for a Thermaltake BlacX HDD Dock to connect to and recognize an ATA-100 Hard Drive? I know that the specifications for the BlacX say that it only supports SATA & SATAII, but I was hoping for one of three things: 1) for it to still work even though it isn't supported 2) for there to be some sort of workaround to make this possible 3) for there to be another part of some sort that I could purchase to make this work

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• nginx + Jetty - thousands of connections stuck in LAST_ACK

  - by virulence

  I have a FreeBSD machine with jails -- two in particular, one that runs nginx and another that runs a Java program that accepts requests via Jetty (embedded mode) Jetty receives upwards of 500 requests/sec constantly and there has been an issue lately where I will constantly have over 60,000 connections in the LAST_ACK state between nginx and jetty. Distribution of all connections (includes some other services, particularly php-fpm) root@host:/root # netstat -an > conns.txt root@host:/root # cat conns.txt | awk '{print $6}' | sort | uniq -c | sort -n 18 LISTEN 112 CLOSING 485 ESTABLISHED 650 FIN_WAIT_2 1425 FIN_WAIT_1 3301 TIME_WAIT 64215 LAST_ACK Distribution of nginx - jetty connections root@host:/root # cat conns.txt | grep '10.10.1.57' | awk '{print $6}' | sort | uniq -c | sort -n 1 3 CLOSE_WAIT 3 LISTEN 18 FIN_WAIT_2 125 ESTABLISHED 64193 LAST_ACK I'd prefer every request to fully close the connection. Clients requests are about 10 minutes apart from each other so connections must be closed. Some of the connections, tcp4 0 0 10.10.1.50.46809 10.10.1.57.9050 LAST_ACK tcp4 0 0 10.10.1.50.46805 10.10.1.57.9050 LAST_ACK tcp4 0 0 10.10.1.50.46797 10.10.1.57.9050 LAST_ACK tcp4 0 0 10.10.1.50.46794 10.10.1.57.9050 LAST_ACK tcp4 0 0 10.10.1.50.46790 10.10.1.57.9050 LAST_ACK tcp4 0 0 10.10.1.50.46789 10.10.1.57.9050 LAST_ACK tcp4 0 0 10.10.1.50.46771 10.10.1.57.9050 LAST_ACK etc.. On Jetty's end I've set maxIdleTime to 2000 -- before this all connections were in ESTABLISHED but they are now LAST_ACK On Jetty's end I've set Connection: close (i.e response.setHeader(HttpHeaders.CONNECTION, HttpHeaderValues.CLOSE);) Jetty never reports a lot of open connections -- always very few. PF/IPFW is not currently being used nginx - reset_timedout_connection is on I cannot figure out how to get nginx or jetty to forcibly close the connection, is this simply something that needs to be fixed in Jetty so that it fully closes the socket after the request finishes? Thanks a lot in advance EDIT: forgot my nginx config for the proxy setup- proxy_pass http://10.10.1.57:9050; proxy_set_header HTTP_X_GEOIP $http_x_geoip; proxy_set_header GEOIP_COUNTRY_CODE $geoip_country_code; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; proxy_set_header Connection ""; proxy_http_version 1.1; EDIT2: Forcing Jetty to close the connection via request.getConnection().getEndPoint().close() does nothing -- it's obvious the connection IS being closed (as it's in LAST_ACK) but why isn't it getting past this? Is Nginx keeping the connection open to the backend for some reason?

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• Feeding a Dog Remotely - hardware?

  - by RobDude

  I'm looking for a way to, remotely, activate some sort of treat dispenser. I'm not a hardware guy, and I'm sure that conceptually, this is very easy. But I don't know how to begin. I haven't found any products designed to do exactly this. Perhaps some sort of beginning robotics kit could do it?

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• How can I disable 'natural breaks' in Workrave?

  - by Pixelastic

  I've just discovered Workrave, and was trying to use it along the Pomodoro technique (5mn break every 25mn). But the concept of 'natural breaks' of Workrave seems to interfere with what I'm trying to achieve. Workrave tries to guess that I'm doing a natural break if I stop using my mouse and keyboard for longer than 5s. It then stops the work timer, and start counting time as if I was doing my break. Here is a typical example : I've configured a 5mn rest break every 25mn. I start working. 10mn later, I receive a phone call, or start talking with a colleague, or any work-related action that do not need either keyboard nor mouse. Workrave then stops counting my time as work time, and starts its rest timer. If my phone call is shorter than 5mn, then Workrave will resume its timer where it stopped it. Meaning that my time on the phone is not counted as work time, and so my break time is pushed a few minutes later than it should be. Even worse, if my phone call is longer than 5mn, then Workrave count it as a complete rest break, and when I'll resume working, it will restart its timer completly. I'm looking for either a way to disable the natural breaks, or increase the 'inactivity time' from 5s to maybe ~1mn. Or maybe an other angle to look at the natural breaks that might work with the Pomodoro technique (forced 5mn breaks every 25mn). I'm using Ubuntu 11.10.

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• Count requests from access log for the last 7 days

  - by RoboForm

  I would like to parse an access log file and have returned the amount of requests, for the last 7 days. I have this command cut -d'"' -f3 /var/log/apache/access.log | cut -d' ' -f2 | sort | uniq -c | sort -rg Unfortunately, this command returns the amount of requests since the creation of the file and sorts it into HTTP-code categories. I would like just a number, no categories and only for the last 7 days. Thanks.

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• How do I see the end of the subject line in MS Outlook?

  - by neil

  I currently receive emails with a very very long subject line (generated by another system) of which I cannot see the end (specifically a date and time), despite widening the field as much as I can. Can anybody suggest how can I either see the end of the subject line and sort by these criteria or preferably move the date and time text from the end to the beginning of the subject line so I can sort by it, perhaps using VB?

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• php mysql cpanel high cpu usage

  - by Megahostzone Santu

  server taking high cpu usage load average: 108.87, 105.92, 85.82 netstat -ntu | awk '{print $5}' | cut -d: -f1 | sort | uniq -c | sort -n Reselt showing too much connect from server IP cpanel Process Manager showing 19.4 | 0.5 | /usr/sbin/mysqld --basedir=/ --datadir=/var/lib/mysql --user=mysql --log-error=/var/lib/mysql/zebra546.serverstall.com.err --pid-file=/var/lib/mysql/zebra546.serverstall.com.pid 3.0 | 0.2 | /usr/bin/php /home/nowwatch/public_html/index.php

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• Don't show hidden applications when using Command-Tab

  - by ash

  Hi, I'm wondering if there's a way to not show hidden applications in the list of running apps when using Command-Tab ? LiteSwitch (http://www.proteron.com/) sort of does what I want, except it grays out hidden applications, but I want them to not appear at all. I use hidden applications as a sort of 'I'll get to later, or don't bother me now' method, so it would be great if Command-Tab could honor that (the same was Expose does). Thanks.

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• Delete Directories smaller than x

  - by harp

  How can I delete Directories which are smaller than, say, 1000 KB? I already have a file list from the command: du -sk * | sort -n > sort.txt but I don't know how to proceed.

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• Sorting eigenvectors by their eigenvalues (associated sorting)

  - by fbrereto

  I have an unsorted vector of eigenvalues and a related matrix of eigenvectors. I'd like to sort the columns of the matrix with respect to the sorted set of eigenvalues. (e.g., if eigenvalue[3] moves to eigenvalue[2], I want column 3 of the eigenvector matrix to move over to column 2.) I know I can sort the eigenvalues in O(N log N) via std::sort. Without rolling my own sorting algorithm, how do I make sure the matrix's columns (the associated eigenvectors) follow along with their eigenvalues as the latter are sorted?

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• jQuery — Nested Sortables Plugin — Disabling sortability between parents

  - by AJB

  I've got a question that I think is simple but I've not been able to figure it out. This is in regard to this plugin: http://mjsarfatti.com/sandbox/nestedSortable/ Essentially, I want to disable the ability to sort children outside of their parents. So, I've got this: CATEGORY 1 ITEM 1.1 ITEM 1.2 ITEM 1.3 CATEGORY 2 ITEM 2.1 ITEM 2.2 ITEM 2.3 So, I'd like to provide the ability for users to sort the children within their category, and the ability to sort the categories themselves. But I want to disable the ability to move a child to another parent. (e.g. ITEM 1.1 cannot be moved to CATEGORY 2). And also I would like to disable the abilty to nest any parents in any children. I tried setting it so that the 'nestedSortable' function is called for every new OL but that simple disables sorting for everything entirely. Thanks for any help.

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• JQuery tablesorter problem

  - by Don

  Hi, I'm having a couple of problems with the JQuery tablesorter plugin. If you click on a column header, it should sort the data by this column, but there are a couple of problems: The rows are not properly sorted (1, 1, 2183, 236) The total row is included in the sort Regarding (2), I can't easily move the total row to a table footer, because the HTML is generated by the displaytag tag library over which I have limited control. Regarding (1), I don't understand why the sort doesn't work as I've used exactly the same JavaScript shown in the simplest example in the tablesorter tutorials. In fact, there's only a single line of JS code, which is: <body onload="jQuery('#communityStats').tablesorter();"> Thanks in advance, Don

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• jQuery sortable (how to customize the clickable area inside the sortable box)

  - by cvack

  I have this jQuery code: $(".right_box_holder").sortable({ update : function () { var order = $('.right_box_holder').sortable('serialize'); $.get("right_menu_functions.php?change_sortorder&"+order); } }); and this HTML code: <div class='right_box_holder'> <div class='right_box' id='box_0'> // sort box 0 </div> <div class='right_box' id='box_1'> // sort box 1 </div> <div class='right_box' id='box_2'> // sort box 2 </div> </div> As it is now, I can click anywhere inside .right_box and move it. I want to disable this and make a button / icon inside .right_box which the user have to click on to drag the box. Is this possible?

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