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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...
Linux反编译全攻略 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...jdump 的反汇编结果在没有调试符号的情况下，不显示API的名字。下一步API调用手工的加上。
我们打开iat.txt文件，把disasm.txt文件中的地址全部转换成函数名，例如：
代码:
8048979: 68 00 00 00 00 push $0x0
804897e: ...
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...
动态追踪（Dynamic Tracing）技术漫谈 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...写的。可能很多同学都听说过 Solaris 系统和 Sun 公司的大名。
最初产生的时候，我记得有这样一个故事，当时 Solaris 操作系统的几个工程师花了几天几夜去排查一个看似非常诡异的线上问题。开始他们以为是很高级的问题，就...
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...