![]() Resetting the PRAM and various other remedies haven’t helped. I’ve found plenty of uses for all this screen space, but unfortunately the Mac sometimes fails to wake the external display, which reports that it isn’t getting any signal, even though the Mac still acts like there is a display attached. However, the Retina text is so sharp and the colors are so nice that I ended up putting the Dell off to the side. I thought I would miss the extra vertical space since the iMac’s 27-inch display is only 1,440 vs. My original plan was to keep the 30-inch Dell display that I used with the MacBook Pro as my main display, using the iMac on the left side as I did with the MacBook Pro. I seem to remember this taking a very long time with older Macs, but even with 40 GB of RAM it completed overnight. I installed Memtest and ran it single-user mode. This is my first Mac without Apple Hardware Test, and unfortunately the new Apple Diagnostics does not test RAM. The door and levers were incredibly easy to use, probably the smoothest Mac RAM upgrade I’ve ever done. I bought it with 8 GB and added 32 GB, savings lots of money and ending up with more RAM than if I’d bought it from Apple. This time, the iMac supports up to 64 GB. It’s been a long time since I upgraded RAM in a Mac, since my last several Macs were either not upgradeable or I maxed them out from the start. If I were buying again, I might try to find an arm that has a little bit more range of vertical motion. The non-VESA iMac is listed at 20.8 lbs., and Apple wasn’t able to tell me the weight without the stand, but this combination seems to work fine after I turned the weight adjustment all the way. I’m mounting it on an UPLIFT View Monitor Arm, which is rated for up to 19.8 lbs. I got the version with a built-in VESA mount. The Mac Pro is still an unavailable unknown, and the iMac Pro is not really what I was looking for, so I upgraded my 2012 MacBook Pro to a 2017 iMac (27-inch, 4.2 GHz i7). e7f2351Īn iOS team at Dropbox replaced JSONSerialization with sajson and cut their initial load times by two thirds!Ĭ++ Programming Language iOS iOS 10 JSON Optimization Parser Programming Store the tag bits at the bottom of the element index instead of the top, which avoids a shift on 64-bit.Tiny microoptimizations like avoiding branches and unnecessary data flow.Duplicated a bit of code to avoid needing to call a function pointer.Change an 8-entry enum to a uint8_t instead of the pointer-sized value it was defaulting to.Surprisingly, not only was this a performance win, but it actually made the code clearer. Replaced the entire parse loop with a goto state machine.(gcc was already performing that optimization.) 71078d3 4a07c77 Moved the input and output pointers into locals instead of members, which helps VC++ and Clang understand that they can be placed in registers.Here are the optimizations that mattered: Writing a Really, Really Fast JSON Parser A complaint on those grounds, Calo said, “would not be laughed out of court.” Calo said it could violate a federal law against unfair and deceptive practices, as well as laws against deceptive trade practices in California and Massachusetts. In yesterday’s report on Acurian Health, University of Washington law professor Ryan Calo told Gizmodo that giving users a “send” or “submit” button, but then sending the entered information regardless of whether the button is pressed or not, clearly violates a user’s expectation of what will happen. NaviStone’s code on Quicken’s site invisibly grabbed each piece of your information as you filled it out, before you could hit the “Submit” button. Your email address and phone number have already been sent to a server at “,” which is owned by NaviStone, a company that advertises its ability to unmask anonymous website visitors and figure out their home addresses. Web Form Data Sent Before You Click “Submit”īut it’s too late.
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