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In my last article, The iPad Pro , I promised to write about Apple’s perpetuation of its second-generation tablet. I actually set out to discuss both the iPad 2 and a hypothetical Pro model in that piece, but long-windedness got the better of me and I had to push it off until now. Given that these points have already been made in parts elsewhere, I will keep this brief. Permalink.
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For any given finite string, there is a compression method (an invertible (one-to-one) function) for which the finite string is compressed to the empty string. Proof: Given a finite string i, we can construct the one-to-one function \( C_i \): $$ C_i(x) = \begin{cases} \epsilon &\mbox{if } x = i \\ i &\mbox{if } x = \epsilon \\ x &\mbox{otherwise} \end{cases} $$ which means that $$C_i(i) = \epsilon$$ i.e. the input string \( i \)..
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I wanted to think about what the things that I value. The first thought that came into my mind was “learning”. I really like learning new things, whether it would be facts or techniques, or how to use a certain tool. But why do I value learning these things. Well, because it feels to be empowered to do things like edit code faster by knowing and practicing emacs shortcuts or eat healthier by knowing a.little bit aboht how different componen....
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Wie feiert man den Karneval in Köln? Mit bunten Kostümen, lauter Musik und natürlich mit viel Kölsch! EINSHOCH6 fahren zur fünften Jahreszeit an den Rhein.
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Siri can get confused, of course, as every iPhone owner knows. For example, searching for the Pokmon ‘Charmander’ kept autocorrecting to Mander. But this can be excused. It’s a freaking Pokdex. In your pocket. Just think about how your 10-year-old self would feel about that.” Back in my day... Permalink.
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Here’s a one minute read , about a trick which I discovered today: When running an strace , it’s common to do something like: strace -p
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Here’s a one minute read , about a trick which I discovered today: When running an strace , it’s common to do something like: strace -p
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Shortly after Apple’s keynote earlier this week, Zac Hall made an interesting and thought-provoking quip on Twitter: Permalink.
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Turing proved with his halting theorem (There's a nice simple proof here ) that there is not a correct program $$Halt(p, i)$$ that returns true if program p halts on input i, and returns false if the program does not halt (i.e. if it loops forever). (This is for Turing-complete languages, i.e. languages with programs that may loop forever). However, what does exist, is a correct program HaltM (short for Halt Maybe), that returns one o....
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Introduction If you are using 3rd party packages, (packages that you don't own or control), you will want a way to create a reproducible build every time you build your projects. If you use 3rd party packages directly and the package authors change things, your projects could break. Even if things don't break, code changes could create inconsistent behavior and bugs. Keith Rarick's tool godep is a great step in the right direction f....
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Was gibt es in der früheren bundesdeutschen Hauptstadt Bonn zu sehen? Und warum wurde Bonn Hauptstadt und nicht Berlin? Wir erklären es dir im Bandtagebuch!
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It’s been a long time coming, the main delay in getting iOS 7 support into your hands has been with the need to upgrade all the servers. Apple seems to require OS upgrades as well when it updates xcode so we had to go one by one and update everything. This is now all in place and you can start building apps that take advantage of iOS 7 functionality and are built using xcode 5.
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My grandfather lived to be 100 years old. If the Blanc blood running through my veins holds up like my grandfather’s did, then I’ve still got 68 years to go. Do I really want to spend one ounce of energy trying to make random people on the internet like me? Will that matter at all in six decades from now? I’d rather spend that energy strengthening my own core values, dating my wife, building life-long relationships with my sons, serving my ..
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Overcast will use speed-accurate labels. I’ll take the heat in reviews.” Excellent. Instacast’s inaccurate, “legacy-style” labels have always annoyed me, especially when trying to decide whether I had enough time to play the latest episode of Roderick on the Line. Permalink.
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SGA bigger than the amount of HugePages configured (Linux – 11.2.0.3)
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tanelpoder.com
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12 years ago
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eng
I just learned something new yesterday when demoing large page use on Linux during my AOT seminar. I had 512 x 2MB hugepages configured in Linux ( 1024 MB ). So I set the USE_LARGE_PAGES = TRUE (it actually is the default anyway in 11.2.0.2+). This allows the use of large pages (it doesn’t force, the ONLY option would force the use of hugepages, otherwise the instance wouldn’t start up). Anyway, the previous behavior with hugepages wa..
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SGA bigger than the amount of HugePages configured (Linux – 11.2.0.3)
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tanelpoder.com
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12 years ago
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eng
I just learned something new yesterday when demoing large page use on Linux during my AOT seminar. I had 512 x 2MB hugepages configured in Linux ( 1024 MB ). So I set the USE_LARGE_PAGES = TRUE (it actually is the default anyway in 11.2.0.2+). This allows the use of large pages (it doesn’t force, the ONLY option would force the use of hugepages, otherwise the instance wouldn’t start up). Anyway, the previous behavior with hugepages wa..
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Wie sieht die Reeperbahn in Hamburg aus? Und welche Partys kann man im Rotlichtviertel feiern? In dieser Lektion machen wir einen Besuch im Hamburger Kiez.
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Was gibt es in der früheren bundesdeutschen Hauptstadt Bonn zu sehen? Und warum wurde Bonn Hauptstadt und nicht Berlin? Wir erklären es dir im Bandtagebuch!
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Wie feiert man den Silvesterabend in Deutschland? Wie begrüßen die Menschen das neue Jahr? Feiere mit den Jungs von EINSHOCH6 den letzten Tag des Jahres.
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Ein Besuch auf dem Weihnachtsmarkt gehört zur Weihnachtszeit dazu. Was gibt es dort zu sehen und zu kaufen? Geh mit den Jungs von EINSHOCH6 über die Stände!
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Wie kann man Preise verhandeln, wenn man etwas auf einem Flohmarkt kauft? Was ist die beste Strategie beim Feilschen? Vielleicht gibt es ja ein Schnäppchen!
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Wie kann man Menschen helfen, denen es nicht so gut geht? Wie engagierst du dich für Bedürftige? Welche Einrichtungen gibt es in deiner Stadt? Mach mit!
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Wie wird Müll richtig getrennt und recycelt? Was gehört in den blauen Container und was in die Biotonne? Wo entsorgt man Sondermüll? Das erfährst du hier.
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Was wünschst du dir zu Weihnachten? Und was schenkst du deinen Liebsten? Kaufst du oder bastelst du etwas? In dieser Lektion geht es um das Fest der Liebe.
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Bald ist Weihnachten! Zeit, um Teig zu kneten und Plätzchen zu backen. Mit welchen leckeren Rezepten kannst du dir die Zeit bis zur Bescherung versüßen?
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Feierst du Weihnachten und wenn ja, wie? Stellst du dir einen Christbaum auf? Hier lernst du, wie ein traditionelles Weihnachtsfest in Deutschland aussieht.
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Wie kann man Preise verhandeln, wenn man etwas auf einem Flohmarkt kauft? Was ist die beste Strategie beim Feilschen? Vielleicht gibt es ja ein Schnäppchen!
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I find programming very similar to mathematics as far as the thought process is concerned. Programming involves solving problems by thinking abstractly about quantity, relationship and behaviour. As a programmer I have to either come up with a new algorithm or customise an existing one for the current problem and optimise it. The formal methods of thinking that mathematics demands — careful reasoning, searching for counter-examples, spotti..
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I got into programming because I wanted a platform to express my ideas creatively and give them life. Just like every programmer, I wanted to work on cutting edge technologies and crack difficult problems. I strove to find the best solutions for the problems I came across and I did. When someone asked what I did for a living, I proudly said "I build cool products using latest cutting edge technologies." I felt invincible but neither satisfi..
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Any sufficiently advanced technology is indistinguishable from magic. – Arthur C. Clarke. “Would you like the heel of those shoes to be red, madam? No problem, let me print them out for you.”
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The step-based time-travelling sequel to Iteration: make every move count as you send short-lived clones into the past. Think in 2+1D (2 spatial + 1 time dimension) as you incrementally re-write the past. Iteration II takes a very different approach to Iteration. By being step-based (rather than time ticking automatically as in Iteration) it allows for more precise and complex puzzles. To aid you, a timeline is shown at the bottom of th..
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The step-based time-travelling sequel to Iteration: make every move count as you send short-lived clones into the past. Think in 2+1D (2 spatial + 1 time dimension) as you incrementally re-write the past. Iteration II takes a very different approach to Iteration. By being step-based (rather than time ticking automatically as in Iteration) it allows for more precise and complex puzzles. To aid you, a timeline is shown at the bottom of th..
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Please Note This tutorial only covers the default PHP installation that ships with Mac OS X / macOS. If you have installed a new installation this does not cover you. For those using brew, you can simply brew install the appropriate brew formula for the extension. These directions are verified to work with Mac OS X 10.9 Mavericks through macOS 10.14 Mojave. System Integrity Protection If you are running OS X El Capitan or newer....
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If you are running OS X El Capitan or newer you will need to disable System Integrity Protection to modify system files and directories. To disable System Integrity Protection, boot into recovery mode by restarting and then holding ⌘R as you hear the startup chime. Then start the Terminal from the Utilities menu. Run the following command $ csrutil disable Then reboot. You are good to go. If you wish to turn it back on, follow the..
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Please Note This tutorial only covers the default PHP installation that ships with Mac OS X / macOS. If you have installed a new installation this does not cover you. For those using brew, you can simply brew install the appropriate brew formula for the extension. These directions are verified to work with Mac OS X 10.9 Mavericks through macOS 10.14 Mojave. System Integrity Protection If you are running OS X El Capitan or newer....
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If you are running OS X El Capitan or newer you will need to disable System Integrity Protection to modify system files and directories. To disable System Integrity Protection, boot into recovery mode by restarting and then holding ⌘R as you hear the startup chime. Then start the Terminal from the Utilities menu. Run the following command $ csrutil disable Then reboot. You are good to go. If you wish to turn it back on, follow the..
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Both our Android and iOS teams use the reactive programming paradigm to simplify asynchronous, concurrent code in our native mobile apps…
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Both our Android and iOS teams use the reactive programming paradigm to simplify asynchronous, concurrent code in our native mobile apps…
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Wie sieht die Reeperbahn in Hamburg aus? Und welche Partys kann man im Rotlichtviertel feiern? In dieser Lektion machen wir einen Besuch im Hamburger Kiez.
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I would have loved to have this back when I played Pokmon LeafGreen and Pokmon Saphire. Instead I had Prima Games’ Pokmon Pokedex Collector’s Edition which, although a great book for its time, simply cannot compare to the power Wolfram|Alpha will afford its users. I don’t even play the game any more and I’m still excited. Permalink.
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Although ostensibly about monetizing a podcast, Lex Friedman’s article also does an excellent job of setting out some great guidelines for creating exceptional shows, many of which align with the suggestions I outlined in Podcasting State of the Union . Permalink.
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I probably wouldn’t have gotten into the Bulgarian National Math team and after that into MIT if I had followed commands. It happened when I was 7th grade and my school was selecting a team to compete in a national mathlete competition. The days the team selection exam was supposed to happen, there was also a literature exam, part of the standard curriculum, which my mother told me to attend to. After a brief argument, I said I will, but p....
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Wie funktioniert vegane Ernährung? Hast du es schon mal ausprobiert? Oder verzichtest du bereits auf Fleisch und andere Tierprodukte? Jetzt vegan kochen!
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