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  • Why is 2^16 a "special" number?

    - by javamonkey79
    OK, I feel stupid asking this - but in Jeff's article: Getting the Interview Phone Screen Right and originally stated in the 5 essential phone screen questions: They shouldn't stare blankly at you when you ask with 2^16 is. It's a special number. They should know it. I've been a developer\software engineer\code monkey\whatever for a little while now, and I don't think I've ever come across this. I mean, I can certainly count binary values do basic operations on them, etc, etc. But I don't see what is "special" about this value.

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  • Good source for interview-style coding problems for entry/intermediate developers?

    - by soster
    I have taught myself to code over the past few years and do not have a computer science degree. As a result, I lack experience from many things, such as the basic homework/test questions many CS graduates take for granted. I recently had a tech screen interview where I fumbled and struggled to finish a (relatively) common question, I believe due to this inexperience. My question to all of you is this: do you know a good source for a bunch of these problems that includes answers, for an entry/intermediate developer who is trying to gain coding problem solving experience? The ones I've been able to find on the internet are for coding teams, so they're a bit too complicated for me. Thanks so much in advance.

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  • Domino nchronos.exe multiple instances causing server to die, and Sametime problems

    - by Kevin
    I've had this problem for a few months now. I thought it started when I installed the Traveller software on the server to add ActiveSync support, but I removed that and the problem still persists. Basically new instances of "nchronos.exe" keeps spawning (and not ending), so over a period of a few days the server eventually gets drowned in nchronos.exe processes, stops responding and I need to kill Domino. My process count the last time was up at about 330, and when I killed it and restarted the Domino my process count went to 160. I'm running Domino 8.5.1 with Fix Pack 2. I don't know if it's relevant, but my Domino server was also acting as a Sametime server. At around the same time that nchronos started playing up sametime also stopped working. None of my users can connect to sametime and in the domino log it keeps telling me "stpolicy.exe" has terminated. I've googled for that and tried a few things, but nothing seems to make sametime work again. Any thoughts?? Cheers, Kevin

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  • Is my hard drive about to die?

    - by Hristo Deshev
    I have two hard drives set up as a RAID 1 array on my server (Linux, software RAID using mdadm) and one of them just got me this "present" in syslog: Nov 23 02:05:29 h2 kernel: [7305215.338153] ata1.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0 Nov 23 02:05:29 h2 kernel: [7305215.338178] ata1.00: irq_stat 0x40000008 Nov 23 02:05:29 h2 kernel: [7305215.338197] ata1.00: failed command: READ FPDMA QUEUED Nov 23 02:05:29 h2 kernel: [7305215.338220] ata1.00: cmd 60/08:00:d8:df:da/00:00:3a:00:00/40 tag 0 ncq 4096 in Nov 23 02:05:29 h2 kernel: [7305215.338221] res 41/40:08:d8:df:da/00:00:3a:00:00/00 Emask 0x409 (media error) <F> Nov 23 02:05:29 h2 kernel: [7305215.338287] ata1.00: status: { DRDY ERR } Nov 23 02:05:29 h2 kernel: [7305215.338305] ata1.00: error: { UNC } Nov 23 02:05:29 h2 kernel: [7305215.358901] ata1.00: configured for UDMA/133 Nov 23 02:05:32 h2 kernel: [7305218.269054] ata1.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0 Nov 23 02:05:32 h2 kernel: [7305218.269081] ata1.00: irq_stat 0x40000008 Nov 23 02:05:32 h2 kernel: [7305218.269101] ata1.00: failed command: READ FPDMA QUEUED Nov 23 02:05:32 h2 kernel: [7305218.269125] ata1.00: cmd 60/08:00:d8:df:da/00:00:3a:00:00/40 tag 0 ncq 4096 in Nov 23 02:05:32 h2 kernel: [7305218.269126] res 41/40:08:d8:df:da/00:00:3a:00:00/00 Emask 0x409 (media error) <F> Nov 23 02:05:32 h2 kernel: [7305218.269196] ata1.00: status: { DRDY ERR } Nov 23 02:05:32 h2 kernel: [7305218.269215] ata1.00: error: { UNC } Nov 23 02:05:32 h2 kernel: [7305218.341565] ata1.00: configured for UDMA/133 Nov 23 02:05:35 h2 kernel: [7305221.193342] ata1.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0 Nov 23 02:05:35 h2 kernel: [7305221.193368] ata1.00: irq_stat 0x40000008 Nov 23 02:05:35 h2 kernel: [7305221.193386] ata1.00: failed command: READ FPDMA QUEUED Nov 23 02:05:35 h2 kernel: [7305221.193408] ata1.00: cmd 60/08:00:d8:df:da/00:00:3a:00:00/40 tag 0 ncq 4096 in Nov 23 02:05:35 h2 kernel: [7305221.193409] res 41/40:08:d8:df:da/00:00:3a:00:00/00 Emask 0x409 (media error) <F> Nov 23 02:05:35 h2 kernel: [7305221.193474] ata1.00: status: { DRDY ERR } Nov 23 02:05:35 h2 kernel: [7305221.193491] ata1.00: error: { UNC } Nov 23 02:05:35 h2 kernel: [7305221.388404] ata1.00: configured for UDMA/133 Nov 23 02:05:38 h2 kernel: [7305224.426316] ata1.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0 Nov 23 02:05:38 h2 kernel: [7305224.426343] ata1.00: irq_stat 0x40000008 Nov 23 02:05:38 h2 kernel: [7305224.426363] ata1.00: failed command: READ FPDMA QUEUED Nov 23 02:05:38 h2 kernel: [7305224.426387] ata1.00: cmd 60/08:00:d8:df:da/00:00:3a:00:00/40 tag 0 ncq 4096 in Nov 23 02:05:38 h2 kernel: [7305224.426388] res 41/40:08:d8:df:da/00:00:3a:00:00/00 Emask 0x409 (media error) <F> Nov 23 02:05:38 h2 kernel: [7305224.426459] ata1.00: status: { DRDY ERR } Nov 23 02:05:38 h2 kernel: [7305224.426478] ata1.00: error: { UNC } Nov 23 02:05:38 h2 kernel: [7305224.498133] ata1.00: configured for UDMA/133 Nov 23 02:05:41 h2 kernel: [7305227.400583] ata1.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0 Nov 23 02:05:41 h2 kernel: [7305227.400608] ata1.00: irq_stat 0x40000008 Nov 23 02:05:41 h2 kernel: [7305227.400627] ata1.00: failed command: READ FPDMA QUEUED Nov 23 02:05:41 h2 kernel: [7305227.400649] ata1.00: cmd 60/08:00:d8:df:da/00:00:3a:00:00/40 tag 0 ncq 4096 in Nov 23 02:05:41 h2 kernel: [7305227.400650] res 41/40:08:d8:df:da/00:00:3a:00:00/00 Emask 0x409 (media error) <F> Nov 23 02:05:41 h2 kernel: [7305227.400716] ata1.00: status: { DRDY ERR } Nov 23 02:05:41 h2 kernel: [7305227.400734] ata1.00: error: { UNC } Nov 23 02:05:41 h2 kernel: [7305227.472432] ata1.00: configured for UDMA/133 From what I read so far, I am not sure if read errors mean that a hard drive is dying on me (no write errors so far). I've had hard drive errors in the past and those always had errors about failing to write to specific sectors in the logs. Not this time. Should I be replacing the drive? Could something else be causing the problem? I've scheduled a smartctl -t long test that will finish in a couple of hours. I hope this will give me some more info.

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  • Domino nchronos.exe multiple instances causing server to die, and Sametime problems

    - by Kevin
    I've had this problem for a few months now. I thought it started when I installed the Traveller software on the server to add ActiveSync support, but I removed that and the problem still persists. Basically new instances of "nchronos.exe" keeps spawning (and not ending), so over a period of a few days the server eventually gets drowned in nchronos.exe processes, stops responding and I need to kill Domino. My process count the last time was up at about 330, and when I killed it and restarted the Domino my process count went to 160. I'm running Domino 8.5.1 with Fix Pack 2. I don't know if it's relevant, but my Domino server was also acting as a Sametime server. At around the same time that nchronos started playing up sametime also stopped working. None of my users can connect to sametime and in the domino log it keeps telling me "stpolicy.exe" has terminated. I've googled for that and tried a few things, but nothing seems to make sametime work again. Any thoughts?? Cheers, Kevin

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  • Daemons die with bus error when their binaries live on NFS

    - by mbac32768
    We have some daemons executing on a number of hosts. The daemon executable images are these very large binaries that are hosted on NFS. When the binaries are updated on the NFS server, the previously running daemons sometimes drop dead with a Bus error. I'm assuming what's happening is the NFS server is replacing the binaries in a way that's invisible to the VFS layer on the NFS clients so they end up loading pages from the updated binary, which of course leads to madness. We tried moving the new binaries into place instead of cp, but that doesn't seem to fix it. I'm considering simply mlock()'ing the binary in the daemon startup script, but surely there's magic NFS options or semantics that we should be abusing. Is there a better way to fix this?

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  • Der einfache Weg zur Oracle Fusion Middleware

    - by A&C Redaktion
    Was passiert eigentlich mit Produkten und Anwendungen, die unter Oracle Application Server entwickelt und betrieben wurden – jetzt, da der WebLogic Server diesen als wichtigste strategische Middleware-Plattform ablöst? Der Oracle Platinum Partner OPITZ CONSULTING widmet dieser Frage, die in den nächsten Jahren so manches Unternehmen beschäftigen wird, bereits jetzt eine umfassenden Kampagne aus Informations- und Serviceangeboten. Für OPITZ CONSULTING, wie auch andere Partner, die im Bereich Oracle Fusion Middleware tätig sind, gilt es jetzt, betroffenen Kunden die Möglichkeiten und Szenarien eines Upgrades vorzustellen, die Vorteile der neuen Lösungen zu erläutern und gemeinsam abzuwägen, welche Schritte nötig sind, um ihr Unternehmen fit für die Zukunft zu machen. Letztlich zählt die Leistung immer noch als das beste Argument. OPITZ CONSULTING hat jetzt die entscheidenden Informationen und Argumente zum Fusion Middleware Upgrade in einem Fact Sheet zusammengefasst. Von der Analyse über die Bewertung und Empfehlung bis hin zum validen Konzept werden die einzelnen Schritte anschaulich dargestellt. Desweiteren hilft die IT-Beratung ihren Kunden mittels Migrations-Check dabei, Varianten, Kosten und Nutzen der Umstellung auf die neue Technologie abzuwägen. Je nachdem, welche Produkte ein Kunde verwendet, bietet OPITZ CONSULTING unterschiedliche Upgrade-Szenarien an. Hier geht's zum Fact Sheet: „Oracle Fusion Middleware – Upgrade!“

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  • Der einfache Weg zur Oracle Fusion Middleware

    - by A&C Redaktion
    Was passiert eigentlich mit Produkten und Anwendungen, die unter Oracle Application Server entwickelt und betrieben wurden – jetzt, da der WebLogic Server diesen als wichtigste strategische Middleware-Plattform ablöst? Der Oracle Platinum Partner OPITZ CONSULTING widmet dieser Frage, die in den nächsten Jahren so manches Unternehmen beschäftigen wird, bereits jetzt eine umfassenden Kampagne aus Informations- und Serviceangeboten. Für OPITZ CONSULTING, wie auch andere Partner, die im Bereich Oracle Fusion Middleware tätig sind, gilt es jetzt, betroffenen Kunden die Möglichkeiten und Szenarien eines Upgrades vorzustellen, die Vorteile der neuen Lösungen zu erläutern und gemeinsam abzuwägen, welche Schritte nötig sind, um ihr Unternehmen fit für die Zukunft zu machen. Letztlich zählt die Leistung immer noch als das beste Argument. OPITZ CONSULTING hat jetzt die entscheidenden Informationen und Argumente zum Fusion Middleware Upgrade in einem Fact Sheet zusammengefasst. Von der Analyse über die Bewertung und Empfehlung bis hin zum validen Konzept werden die einzelnen Schritte anschaulich dargestellt. Desweiteren hilft die IT-Beratung ihren Kunden mittels Migrations-Check dabei, Varianten, Kosten und Nutzen der Umstellung auf die neue Technologie abzuwägen. Je nachdem, welche Produkte ein Kunde verwendet, bietet OPITZ CONSULTING unterschiedliche Upgrade-Szenarien an. Hier geht's zum Fact Sheet: „Oracle Fusion Middleware – Upgrade!“

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  • Oracle Developer Days 2013

    - by Anne Manke
    Die Oracle Datenbank in der Praxis Was steckt in den Editionen? Einsatzgebiete, Tipps und Tricks zum Mitnehmen, inkl. Ausblick auf neue Funktionen Die Einsatzgebiete für die Oracle Datenbank sind vielfältig, und so bietet Oracle seine marktführende Datenbank in unterschiedlichen Editionen an. Über 30 Jahre Erfahrung in der Weiterentwicklung haben zu einer Fülle von nützlichen Features geführt, welche in den verschiedenen Ausführungen sinnvoll aufgeteilt sind. Ein Ausblick auf die Funktionen der für 2013 geplanten neuen Datenbank-Version rundet den Workshop ab. In dieser speziell von der BU DB zusammengestellten Veranstaltung werden wir Sie neben vielen Tipps und Tricks zu folgenden Themen auf den neuesten Stand bringen: Die Unterschiede der Editionen und ihre Geheimnisse Umfangreiche Basisausstattung auch ohne Option Performance und Skalierbarkeit in den einzelnen Editionen Kosten- und Ressourceneinsparung leicht gemacht Sicherheit in der Datenbank Steigerung der Verfügbarkeit mit einfachen Mitteln Der Umgang mit großen Datenmengen Cloud Technologien in der Oracle Datenbank Termine 23.01.2013: Oracle Niederlassung Stuttgart Liebknechtstr. 35 D-70565 Stuttgart [Anmeldung per Email] 30.01.2013: Oracle Niederlassung Potsdam Schiffbauergasse 14 D-14467 Potsdam [Anmeldung per Email] 05.02.2013: Oracle Niederlassung Düsseldorf Hamborner Str. 51 D-40472 Düsseldorf [Anmeldung per Email] Anmeldung Melden Sie sich noch heute zur Veranstaltung an - die Teilnahme ist kostenlos! Per Mail an Barbara Frank, ORACLE Deutschland B.V. & Co KG Per Telefon: +49 (0)711 72840-211 Agenda 10:00 Beginn der Veranstaltung Die Oracle Datenbank in ihren Editionen im Überblick OracleXE, SE1, SE, EE: Wer braucht was? Was sind die Unterschiede ...? Die Standard Edition - Eine umfangreiche Grundausstattung SQL und PL/SQL: Mehr als SELECT, Application Express, Oracle TEXT und mehr ... Mittagspause Mehr Performance: Die Sportausstattung in der Enterprise Edition Performante Statementausführung, Garantierte Ressourcenverwendung, Speicherplatz sparen ... Mehr Sicherheit: Die Sicherheitsausstattung in der Enterprise Edition Mandantenfähigkeit out-of-the-box, Audit-Möglichkeiten Mehr Verfügbarkeit: Die Mobilitätsausstattung in der Enterprise Edition Flashback Database, Möglichkeiten mit Data Guard, ... 17:00: Ende der Veranstaltung Wir freuen uns auf Sie!

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  • Channel-Chat mit Silvia Kaske

    - by A&C Redaktion
    Die Channel-Expertin spricht im Interview mit der IT-Business über Engineered Systems, neue Wege im Partner-Geschäft und die Konsolidierung der IT-Branche Das Produktspektrum von Oracle wird, vor allem seit der massiven Ausweitung in Richtung Hardware, immer breiter. Umso notwendiger werden Spezialisierungen für die Partner. Im Exklusivinteriew mit der IT-Business beantwortet Silvia Kaske, Senior Director Channel Sales & Alliances North bei Oracle, unter anderem die Frage „Wie man im Oracle Universum Geld verdient“. Neben unserem Blog-Kernthema, den Spezialisierungen, spricht Kaske auch darüber, wie die neue Projektdatenbank hilft, im Channel Konflikte zu vermeiden. Das lesenswerte Interview finden Sie als Titelstory in der IT-Business Nr. 17/2012 und auf IT-Business.de. Hier ein Abstract, was Sie dort erwartet: Zu den Engineered Systems, einem zentralen Thema für Oracle, äußert sich Kaske gleich zu Beginn. Sie betont, dass Oracle zwar optimal abgestimmte Gesamtpakete wie die Oracle SOA Suite anbietet, jedoch keine Entwicklung hin zu in sich abgeschlossenen Systemen möchte. Oracle Lösungen bleiben offen für die Kombination mit Produkten anderer Anbieter. Optimized Solutions seien vor allem dafür da, „die interne Komplexität in Unternehmen zu minimieren, um damit Kosten für den Betrieb der bestehenden Systeme zu senken.“ Das ausgefeilte System der Spezialisierungen hat ein klares Ziel: „Wir wollen Partner, die genau wissen, was sie tun, und die Endkunden bestmöglich beraten und betreuen“, sagt Kaske. Das erfordert ein hohes Wissen in einer oder mehreren Branchen oder Produktsegmenten – niemand erwartet schließlich von einem Partner, Experte für alle 9.000 Einzelprodukte zu sein. Dafür stehen derzeit über 100 zertifizierte Spezialisierungen zur Wahl. Das Programm OPN Specialised steht seit nunmehr zwei Jahren für die Entwicklung hin zu höheren Zertifizierungsanforderungen und damit zu noch kompetenteren Partnern. Zudem fördert Oracle die Kooperation verschieden spezialisierter Partner untereinander, Stichwort „Enablement 2.0“. Für einen reibungslosen Ablauf von Partnerprojekten sorgt deren Registrierung im Open Market Modell (OMM).

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  • Channel-Chat mit Silvia Kaske

    - by A&C Redaktion
    Die Channel-Expertin spricht im Interview mit der IT-Business über Engineered Systems, neue Wege im Partner-Geschäft und die Konsolidierung der IT-Branche Das Produktspektrum von Oracle wird, vor allem seit der massiven Ausweitung in Richtung Hardware, immer breiter. Umso notwendiger werden Spezialisierungen für die Partner. Im Exklusivinteriew mit der IT-Business beantwortet Silvia Kaske, Senior Director Channel Sales & Alliances North bei Oracle, unter anderem die Frage „Wie man im Oracle Universum Geld verdient“. Neben unserem Blog-Kernthema, den Spezialisierungen, spricht Kaske auch darüber, wie die neue Projektdatenbank hilft, im Channel Konflikte zu vermeiden. Das lesenswerte Interview finden Sie als Titelstory in der IT-Business Nr. 17/2012 und auf IT-Business.de. Hier ein Abstract, was Sie dort erwartet: Zu den Engineered Systems, einem zentralen Thema für Oracle, äußert sich Kaske gleich zu Beginn. Sie betont, dass Oracle zwar optimal abgestimmte Gesamtpakete wie die Oracle SOA Suite anbietet, jedoch keine Entwicklung hin zu in sich abgeschlossenen Systemen möchte. Oracle Lösungen bleiben offen für die Kombination mit Produkten anderer Anbieter. Optimized Solutions seien vor allem dafür da, „die interne Komplexität in Unternehmen zu minimieren, um damit Kosten für den Betrieb der bestehenden Systeme zu senken.“ Das ausgefeilte System der Spezialisierungen hat ein klares Ziel: „Wir wollen Partner, die genau wissen, was sie tun, und die Endkunden bestmöglich beraten und betreuen“, sagt Kaske. Das erfordert ein hohes Wissen in einer oder mehreren Branchen oder Produktsegmenten – niemand erwartet schließlich von einem Partner, Experte für alle 9.000 Einzelprodukte zu sein. Dafür stehen derzeit über 100 zertifizierte Spezialisierungen zur Wahl. Das Programm OPN Specialised steht seit nunmehr zwei Jahren für die Entwicklung hin zu höheren Zertifizierungsanforderungen und damit zu noch kompetenteren Partnern. Zudem fördert Oracle die Kooperation verschieden spezialisierter Partner untereinander, Stichwort „Enablement 2.0“. Für einen reibungslosen Ablauf von Partnerprojekten sorgt deren Registrierung im Open Market Modell (OMM).

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  • FTP into a server using specific usernames

    - by user1854765
    I am trying to ftp into a server, once I'm there, I want to get a file, then put it back after sleeping for 5 minutes. I have that part correct, but i added to the code, two variables that will be inputted when the code is executed. The user will input the username they want to connect with. I am having trouble connecting though. When I input the username t14pb, it still goes to the the first if statement, as if I said t14pmds. here is the code: #!/usr/bin/perl use Net::FTP; $host = "fd00p02"; $username = "$ARGV[0]"; $ftpdir = "/"; $file = "$ARGV[1]"; print "$username\n"; print "$file\n"; if ($username == t14pmds) { $password = "test1"; $ftp = Net::FTP->new($host) or die "Error connecting to $host: $!"; $ftp->login($username, $password) or die "Login failed: $!"; $ftp->cwd($ftpdir) or die "Can't go to $ftpdir: $!"; $ftp->get($file) or die "Can't get $file: $!"; sleep 5; $ftp->put($file) or die "Can't put $file: $!"; $ftp->quit or die "Error closing ftp connection: $!"; } if ($username == t14pb) { $password = "test2"; $ftp = Net::FTP->new($host) or die "Error connecting to $host: $!"; $ftp->login($username, $password) or die "Login failed: $!"; $ftp->cwd($ftpdir) or die "Can't go to $ftpdir: $!"; $ftp->get($file) or die "Can't get $file: $!"; sleep 5; $ftp->put($file) or die "Can't put $file: $!"; $ftp->quit or die "Error closing ftp connection: $!"; } if ($username == t14pmds_out) { $password = "test3"; $ftp = Net::FTP->new($host) or die "Error connecting to $host: $!"; $ftp->login($username, $password) or die "Login failed: $!"; $ftp->cwd($ftpdir) or die "Can't go to $ftpdir: $!"; $ftp->get($file) or die "Can't get $file: $!"; sleep 5; $ftp->put($file) or die "Can't put $file: $!"; $ftp->quit or die "Error closing ftp connection: $!"; } if ($username == t14fiserv) { $password = "test4"; $ftp = Net::FTP->new($host) or die "Error connecting to $host: $!"; $ftp->login($username, $password) or die "Login failed: $!"; $ftp->cwd($ftpdir) or die "Can't go to $ftpdir: $!"; $ftp->get($file) or die "Can't get $file: $!"; sleep 5; $ftp->put($file) or die "Can't put $file: $!"; $ftp->quit or die "Error closing ftp connection: $!"; }

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  • Must go through Windows Boot Loader to get to Grub

    - by Zach
    I just installed a fresh copy of Precise alongside Windows 7. I have to separate 750GB hard drives; /dev/sda holds the Windows partitions and /dev/sdb holds the Ubuntu partitions. Other than that, these are fresh installs of both Windows 7 and Ubuntu 12.04. Whenever I boot, Grub doesn't load, instead it goes to a black screen with a single blinking (horizontal bar) cursor in the top right corner. However, if I boot, hit escape right as the BIOS/POST screen finishes up, see the Windows Boot Loader and hit escape to make it go back to the BIOS screen. After the BIOS screen, grub shows up and everything functions normally; I can boot into Ubuntu or Win7. I don't want to have to do the Escape, Escape, Wait, Boot trick every time. I have no idea what would be wrong or what information I could give you guys to help diagnose. I have run a sudo update-grub and it found everything normally. I tried adding nomodeset flag in the /etc/default/grub line GRUB_CMDLINE_LINUX_DEFAULT which searching around made me think might work. Thoughts on what I could do to fix this? EDIT: I've tried changing the boot order so that both drives in the BIOS (both are labeled as "Internal HDD") have had a try booting first. I think the problem may be that every time I boot, the BIOS boot order is different... and I have to reset it. It seems to not be stable... but I'm not sure how to go about fixing that either. The machine has both traditional BIOS and UEFI. It came standard in "Legacy" mode; so it is currently set to boot through Legacy mode. I've reinstalled Ubuntu now, and now if I hit escape at the end of the BIOS/POST startup screen, it takes me to GRUB menu. Otherwise it automatically loads Windows. It seems like GRUB is now the acting bootloader, it just doesn't automatically start that unless I ask it to open a bootloader. In my other machines, it has always automatically started at the end of BIOS/POST. EDIT2: Using gparted, I just looked at my partitions, it would seem that my linux-swap partition is currently flagged as the boot partition for my Ubuntu install. I currently only have 2 partitions: one of "ext4" with a mount point of "/" and flag " "; and the "linux-swap" with mount point " " and flag "boot." If I change the boot flag to be on "/," it does not reliably solve the problem. After 10 boots: 2 Booted successfully to GRUB 5 Booted directly to Windows 7 3 booted to the black screen with the cursor and hung there Further research makes me think this is an issue of the BIOS not reliably booting hard drives in the same order or not finding both hard drives. If I ask it to create a "boot menu" sometimes it has 2 entries for "Internal HDD," sometimes 1. Also the list it creates changes order every time I bring it up; so it is not following a consistent boot sequence. Will report back if this is not an issue with GRUB.

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  • SQL SERVER – Delay Command in SQL Server – SQL in Sixty Seconds #055

    - by Pinal Dave
    Have you ever needed WAIT or DELAY function in SQL Server?  Well, I personally have never needed it but I see lots of people asking for the same. It seems the need of the function is when developers are working with asynchronous applications or programs. When they are working with an application where user have to wait for a while for another application to complete the processing. If you are programming language developer, it is very easy for you to make the application wait for command however, in SQL I personally have rarely used this feature.  However, I have seen lots of developers asking for this feature in SQL Server, hence I have decided to build this quick video on the same subject. We can use WAITFOR DELAY ‘timepart‘ to create a SQL Statement to wait. Let us see the same concept in following SQL in Sixty Seconds Video: Related Tips in SQL in Sixty Seconds: Delay Function – WAITFOR clause – Delay Execution of Commands What would you like to see in the next SQL in Sixty Seconds video? Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: Database, Pinal Dave, PostADay, SQL, SQL Authority, SQL in Sixty Seconds, SQL Interview Questions and Answers, SQL Query, SQL Scripts, SQL Server, SQL Tips and Tricks, T SQL, Technology, Video Tagged: Identity

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  • Wifi Direct P2P-go and P2P-client support in ubuntu

    - by giri
    I am trying to get wifi direct working on a laptop with ubuntu 12.04 When I type the command 'iw list' it doesn't show P2P-client or P2P-go under 'supported interface modes.From http://wireless.kernel.org/en/users/Documentation/iw/replace-iwconfig I found that 'iwconfig' was replaced with 'iw'.Does it mean that my hardware doesn't have support for wifi-direct or is it just the software(drivers) issue? If is it just sofware issue please help me to find the right drivers which support wifi-direct. Here is the info about my ethernet controller from the output of 'lspci' 02:00.0 Ethernet controller: Atheros Communication Inc. AR242x / AR542x Wreless Network Adapter (PCI-Express) (rev 01) 06:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8055 PCI-E Gigabit Ethernet Controller (rev 13)

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  • SQL SERVER – NuoDB in Sixty Seconds – SQL in Sixty Seconds #053

    - by Pinal Dave
    Earlier this week, I have done five part blog series on NuoDB and it was very well received by audience. NuoDB is an elastically scalable SQL database that can run on local host, datacenter and cloud-based resources. t is an operational NewSQL database built on a patented emergent architecture with full support for SQL and ACID guarantees. In this blog post, I will explore how one can download and install NuoDB database. In this video I explain how one can install NuoDB in very few seconds and set up the entire environment in additional few seconds. One can get going with installation of NuoDB and sample database in total of less than 60 seconds. Let us see the same concept in following SQL in Sixty Seconds Video: You can Download NuoDB and reproduce the same Sixty Seconds experience. Related Tips in SQL in Sixty Seconds: Part 1 – Install NuoDB in 90 Seconds Part 2 – Manage NuoDB Installation Part 3 – Explore NuoDB Database Part 4 – Migrate from SQL Server to NuoDB Part 5 - NuoDB and Third Party Explorer What would you like to see in the next SQL in Sixty Seconds video? Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: Database, Pinal Dave, PostADay, SQL, SQL Authority, SQL in Sixty Seconds, SQL Interview Questions and Answers, SQL Query, SQL Scripts, SQL Server, SQL Tips and Tricks, T SQL, Technology, Video Tagged: Identity

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  • SQL SERVER – Where Can YOU Get My Books – SQL Server Interview Question and Answers

    - by pinaldave
    Earlier month I released by third book SQL Server Interview Question and Answers. The focus of this book is ‘master the basics’. If you rate yourself 10 out of 10 in SQL Server – this book is not for you but if you want to learn fundamentals or want to refresh your fundamentals this book is for YOU. Earlier I was overwhelmed by love you all have shown to this book on release date leading our three digit inventory to run out of stock. Read detail blog post about the subject over here A Real Story of Book Getting ‘Out of Stock’ to A 25% Discount Story Available. Well, we learn the lesson from the experience and have made sure that the inventory does not run out any more. Since then we are now available on multiple outlets. Pretty much anywhere in USA and India the book is available. Additionally, where ever Amazon ships internationally. I have created dedicated page where I have listed where one can avail this book from Details of SQL Server Interview Question and Answers. Even though I keep on getting common question like – where one can get this book. You can get this book from: USA: Amazon India: Flipkart | IndiaPlaza | Crossword In India now you can walk into any crossword store and ask this book, if they do not have it, you can ask them get one for you. Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: Best Practices, Pinal Dave, PostADay, SQL, SQL Authority, SQL Documentation, SQL Download, SQL Interview Questions and Answers, SQL Query, SQL Server, SQL Tips and Tricks, SQLAuthority Author Visit, SQLAuthority Book Review, SQLAuthority News, T SQL, Technology

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  • Whether to go for part MBA or not [closed]

    - by Santosh singh
    I need your help in knowing more about SP Jain Finance MBA. I am currently working in Singapore as a tech lead having 6.5 year experience in IT, planning to do part time MBA. There are currently 3 specialisation offered- marketing,operations and finance- I am not sure which one to choose. Whether I would be able to find a job in finance after getting MBA degree from SP Jain. Basically I do not forsee any career growth in my present company, so in a fix should I do MBA or go for some specialised course if you suggest.

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  • Explain DNS/Content/Registration with services such as Blogger and Go Daddy

    - by user8926
    I have this kind of settings for Google Sites and Blogger in Godaddy, below. I cannot get URL Framing (not URL masking) working with them. I am unsure what the problem, cannot understand what services such as Blogger and Godaddy really do. Wrong A-records in Go Daddy! ; A Records @ 3600 IN A 216.239.32.21 art 3600 IN A 64.202.189.170 abc 3600 IN A 64.202.189.170 @ 3600 IN A 216.239.34.21 @ 3600 IN A 216.239.36.21 @ 3600 IN A 216.239.38.21 lol 3600 IN A 64.202.189.170 ; CNAME Records www 3600 IN CNAME ghs.google.com mobilemail 3600 IN CNAME mobilemail-v01.prod.mesa1.secureserver.net pda 3600 IN CNAME mobilemail-v01.prod.mesa1.secureserver.net email 3600 IN CNAME email.secureserver.net imap 3600 IN CNAME imap.secureserver.net mail 3600 IN CNAME pop.secureserver.net pop 3600 IN CNAME pop.secureserver.net smtp 3600 IN CNAME smtp.secureserver.net ftp 3600 IN CNAME @ webmail 3600 IN CNAME webmail.secureserver.net e 3600 IN CNAME email.secureserver.net Please, explain the "Custom Domain" and how can I hide my blogger url? ok I am still unsure what the "custom domain" in blogger really mean, does it mean that the content hosting is moved to some other site? Or does it mean that it just hides the blogspot url with other url? Or is it this so-called "301" thing or "URL redirection" or something else? Related questions Control Content Hosting, DNS Hosting and Registration with command line?

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  • How to go about unused CSS issues

    - by Saif Bechan
    I am running some speedtests on a blog, and I always get complaints about unused CSS. But this is not CSS that I never use, it is just not used on that particular page. Now I work in a structured way, but there still has to be some CSS in the file that will not be used, because you need it on another page. I do not think that using different CSS files on different pages is the way to go, I think you are much better off just creating one big file that can be cached. Now is there an elegant way of dealing with this, or do you just stick with it.

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  • Content theft - Where can I go from here?

    - by Toby
    I am the webmaster of a very successful blog in a fairly small niche. Recently our success has started to bite us with people copying posts on the site without consent and trying to pass them off as their own work. Most sites stop as soon as you contact them but there is one in particular that is a blogger site which persists in passing off our content as their own. Every post we find we report to Google and they have been fairly good at taking the posts offline within a day or two but this isn't good enough or a long term solution. Given the nature of what is being blogged about after 24 hours the post is pretty much useless so I need some way to just stop them from taking our content? Any ideas? I don't want to go down the route of using a third party for people to get our RSS feed but I guess that is one option?

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  • What is the best C++ interview question?

    - by David Thielen
    If you could ask a C++ programmer one question to measure their C++ skills, what would it be? The question I think is best is: Can you call "delete this;" inside a member function? (I put this as a link so you can think it through first, then go to The Best C++ Interview Question – Ever! to see the correct answer.) I don't ask this because I expect most people to know the answer. If they did it would not be that useful a question. I ask to see if they can work their way to the correct answer and how they do so.

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  • Show path of a body of where it should go after linear impulse is applied

    - by Farooq Arshed
    I am making a game with Andengine and Box2D. I have a dynamic body and I apply linear impulse on the body to move it around when the user have touched the screen. Now I want to show the path where the body will go when the user have touched. If you have played Angry Birds or Basket Ball Shoot or any other which have projectile motion with a path shown you will get my point. I want to show the white dots which are shown in those games.

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  • Must all new features go through betatest?

    - by LTR
    Obviously, small usability fixes and bugfixes go directly into the stable product. What about small new features? Can you afford to just release them after internal testing, or do they have to be betatested by customers first? Situation: This is a young commercial project, produced by a one-person company. It has an existing userbase and is at it's second major version. Previous betatests have produced some results, however most feedback came from the stable product and not from beta versions.

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  • Cannot get grub menu to timeout (or go away)

    - by Eric
    I am running Ubuntu 12.04. I cannot for the life of me get the grub menu (with options) to go away. I would like it to auto-boot into the first option. I've edited /etc/default/grub so that it looks like the following: GRUB_DEFAULT=0 GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=true GRUB_TIMEOUT=10 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" GRUB_CMDLINE_LINUX="" After this, I ran sudo update-grub. Then I realized that I had grub 2, so I ran sudo update-grub2 (both make it look like they create the grub.cfg file successfully. I restart my computer and it goes back to the grub menu and just sits there until I make a choice. This is not desirable if the power goes out... :-) I also tried reinstalling grub using sudo grub-install /dev/sda - also unsuccessful

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