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Package cairo was not found in the pkg-config search path. Node j.s install canvas issue
...a 1 you will need to set the PKG_CONFIG_PATH environment variable so cairo.pc and fontconfig.pc can be found
$ locate cairo.pc
$ export PKG_CONFIG_PATH=/usr/X11/lib/pkgconfig/
Running pkg-config again ...
$ pkg-config --atleast-version=1.12.2 cairo
$ echo $?
If it returns a 0 then all is well...
微软VS苹果 桌面操作系统的终极一战 - 创意 - 清泛网 - 专注C/C++及内核技术
...办公用户继续选择Windows系统，在2015年的第二季度，全球PC出货量重挫11.8%，PC市场的萎靡却愈发凸显了苹果产品的坚挺，Mac全球出货量16.1%的增长，就是无声的打脸。
虽然高调宣布升级Windows 10不用掏钱，可是微软的免费来的却...
Vagrant stuck connection timeout retrying
My vagrant was working perfectly fine last night. I've just turned the PC on, hit vagrant up , and this is what I get:
47 ...
How can I unit test Arduino code?
...en" to "this specific code is broken".
How to Build and Run Tests on Your PC
The first thing you need to do is identify your testing goals. Think about what parts of your own code you want to test and then make sure to construct your program in such a way that you can isolate discrete parts for t...
Emacs in Windows
...emacs/windows folder. You want the file that is named emacs-xx.x-bin-i686-pc-mingw32.zip.
There are some great instructions for configuring emacs for windows here. Basically, "installation" boils down to:
Download emacs from a gnu mirror at emacs/windows/emacs-version-bin-i686-pc-mingw32.zip, a...
Static Vs. Dynamic Binding in Java
...ass test1 {
public static void main(String args[]) {
parent pc = new child();
pc.start();
}
}
class parent {
static public void start() {
System.out.println("Inside start method of parent");
}
}
class child extends parent {
static public void start...
Is “IF” expensive?
...omething typically called the instruction pointer (IP) or program counter (PC); these terms are synonymous, but different terms are used with different architectures. For most instructions, the PC of the next instruction is just the current PC plus the length of the current instruction. For most R...
How to make the hardware beep sound in Mac OS X 10.6
...unctionality you're thinking of is an artifact of very old (pre-1990s) IBM PC-compatible hardware. Before most computers had sound cards, most machines had a small speaker or piezo buzzer connected to one of the channels of a timer chip. This could be used to generate simple tones or beeps. Even aft...
What is the advantage of GCC's __builtin_expect in if else statements?
...0 00 00 callq b <main+0xb>
7: R_X86_64_PC32 time-0x4
b: 48 85 c0 test %rax,%rax
e: 75 0a jne 1a <main+0x1a>
10: bf 00 00 00 00 mov $0x0,%edi
11: R_X86_64_3...
“Unresolved inclusion” error with Eclipse CDT for C standard library headers
...at seems to work for me.
include paths for c:
D:\dev\cygwin\lib\gcc\i686-pc-cygwin\3.4.4\include
D:\dev\cygwin\usr\include
include paths for c++:
D:\dev\cygwin\lib\gcc\i686-pc-cygwin\3.4.4\include
D:\dev\cygwin\lib\gcc\i686-pc-cygwin\3.4.4\include\c++
D:\dev\cygwin\usr\include
this gets me a ...