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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I just wasted one morning trying to get SQL developer to work on my current setup: OS: Windows 8.1 virtual machine running on mac via Parallels. No oracle client or instant client installed No Java installed The reproducible steps are I downloaded SQL Developer for Windows with JDK (all 64-bit) and unzipped it to C:/Program Files/. I double clicked on C:/Program Files/sqldeveloper/sqldeveloper.exe I get the following message: Unable to launch the Java Virtual Machine Located at path: C:/Program Files/sqldeveloper/jdk/jre/bin/server/jvm.dll

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm looking for a fast and memory efficient approach for implementing Conway's Game of Life. Constraints: a 96x128 board, approximately 2kB RAM available and 52MHz processor (see the tech specs here: http://www.getinpulse.com/features ). My current naive solution that represents each cell as a single bit in a matrix (96*128/8=1,536 bytes) works but is too slow. What tricks can be used to improve performance? Storing the coordinates of live cells (for example in this implementation http://dotat.at/prog/life/life.html ) would use too much

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am trying to use windbg to research a hang dump file created on an x64 machine for our x86 process. This is a 4.0 x86 application, so just to get an unmanaged stack, I had to do the following: .loadby sos clr .load wow64exts !sw kL However, everytime I try to get the managed stack via !clrstack I get the error in the title. What am I missing? 回答1: I believe you will have to use the 32-bit task manager, located in C:\Windows\SysWOW64\taskmgr.exe to get a 32-bit dump. More info here: http://blogs.msdn.com/b/tess/archive/2010/09/29/capturing

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I searched around but I couldn't find a straight answer to these questions, only bits and pieces: if I install windows seven x64, 1 - will I be able to use delphi 2007+ as I'm used to aka start it, code in it, debug in it, compile in it ? I've seen the debugger issue and the hex edit workaround. 2 - will my application compiled in that environnement work on 32 bit versions of windows ? 3 - will my application I compiled with delphi on 32 bit windows work this 64 bit version ? (of course all this is assuming "normal" applications as-in I don

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: In an assignment I am currently working on we need to work with bit vectors, but I am very unsure of how to do this in Python. They should be able to be from 4 bits to 20 bits. I have never worked with bit vector before, but I guess that one would one create arrays of unsigned bytes that you manipulated using the usual AND/OR/XOR operations. The important restriction here is: I cannot rely on any libraries other than those supplied with standard Python. I think I know how I would do this in C using arrays of 8 bit unsigned bytes: e.g. to

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: How should bit fields be declared and used in Swift? Declaring an enum like this does work, but trying to OR 2 values together fails to compile: enum MyEnum: Int { case One = 0x01 case Two = 0x02 case Four = 0x04 case Eight = 0x08 } // This works as expected let m1: MyEnum = .One // Compiler error: "Could not find an overload for '|' that accepts the supplied arguments" let combined: MyEnum = MyEnum.One | MyEnum.Four I looked at how Swift imports Foundation enum types, and it does so by defining a struct that conforms to the RawOptionSet

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: So, I have an app that uses the face detection feature of Core Image ( https://itunes.apple.com/us/app/ace-freakyface-cartoon-mask/id454513332?mt=8 ) and I just got the new iPhone 5s and the app no longer detects a face. I'm also receiving an error in the console while debugging: /System/Library/PrivateFrameworks/FaceCore.framework/fcl-fc-3.dat: mach-o, but wrong architecture 2013-09-25 20:17:22.861 faceMaker[474:a16b] Face detection finding face error: Error Domain=FCRFaceDetectorErrorDomain Code=2 "dlopen(/System/Library/PrivateFrameworks

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Does anyone know of an easy way to tell if an iOS7 device has 32- or 64-bit hardware? I don't mean programmatically, I just mean via settings, model number, 3rd-party app, etc. I'm having a problem that I suspect is 64-bit related. Apple's advice is to test on the 64-bit simulator but also on an actual 64-bit device, but then doesn't say anything about how to determine that. I can write a test app to check sizeof(int) or whatever, but there's got to be some way for, say, tech support to know what they're working with. Eric 回答1: There is no

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: update 2 I want to make a program that can play sound (that can say red, green and blue) on my pic 18f4550 there is a speaker connected to the picdem, that part works fine, I wrote the following program with microchip version 6.83 with the C compiler. I need to retrieve the bits value of a .wav file, when I say red (this has a bit pattern). My right question, how can a get the bit value of my .wav file. void main (void) { TRISD = 0x00; // PORTD als uitgang TRISB = 0b00110000; // RB4 en RB5 als ingang TRISA = 0x00; // RA output RCONbits.IPEN

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Took a while but finally got to square 1 in 16 bit graphics. Here I clear the screen and draw a single pixel: mov ax, 0a000h mov es, ax ; es - Extra Segment now points to the VGA location mov ax, 0013h int 10h xor al, al mov dx, 3c8h out dx, al inc dx mov al, 63 out dx, al out dx, al out dx, al mov ax, 0100h int 21h mov ax, 4c00h int 21h ; draw single pixel :) mov ah, 0ch; mov al, 03h ; color mov cx, 70 ; x co-ordinate mov dx, 70 ; y co-ordinate ; mov bh,1 ; page # int 10h times 510-($-$$) db 0 ; PadZeros: dw 0xaa55 ; MagicNumber Step 2: How