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Why is the gets function so dangerous that it should not be used?
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In order to use gets safely, you have to know exactly how many characters you will be reading, so that you can make your buffer large enough. You will only know that if you know exactly what data you will be reading.
Instead of using gets, you want to use fgets, whi...
How do I abort the execution of a Python script? [duplicate]
I have a simple Python script that I want to stop executing if a condition is met.
8 Answers
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Dictionaries and default values
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+1 for readability, but if/else is much faster. That might or might not play a role.
– Tim Pietzcker
Jul 6 '13 at 9:20
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ByteArray 实验 - 拼一个二进制协议帧，再把它拆开 · App Inventor 2 中文网
...}
var 帧内校验 = UrsAI2ByteArray1.GetByteAt(UrsAI2ByteArray1.Size)
if 累加 % 256 = 帧内校验 {
标签_状态.Text = "校验通过"
标签_状态.TextColor = "&HFF43A047"
} else {
标签_状态.Text = join("校验失败：算出 ", 累加 % 256, "，帧内是 ", 帧内校...
将Linux代码移植到Windows的简单方法 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...定义基本上解决了大部分的头文件包含问题。
/* Define if you have the <linux/fd.h> header file. */
/* #undef HAVE_LINUX_FD_H */
/* Define if you have the <locale.h> header file. */
#define HAVE_LOCALE_H 1
/* Define if you have the <malloc.h> header file. */
#define HAVE_...
Static class initializer in PHP
...in the class require a ‘heavy’ initialization function to run once (as if it were a constructor).
8 Answers
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Sharing a result queue among several processes
...processing.Manager to manage your queue and to also make it accessible to different workers.
import multiprocessing
def worker(name, que):
que.put("%d is done" % name)
if __name__ == '__main__':
pool = multiprocessing.Pool(processes=3)
m = multiprocessing.Manager()
q = m.Queue()
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micro:bit 实验08 - 摇一摇与倾斜检测 · App Inventor 2 中文网
...rometerDataReceived(Accelerometer_X, Accelerometer_Y, Accelerometer_Z) {
if Accelerometer_X > 400 {
标签_姿态.Text = "右倾"
} else if Accelerometer_X < -400 {
标签_姿态.Text = "左倾"
} else if Accelerometer_Y > 400 {
标签_姿态.Text = "前倾"
} else if Acceleromet...
Which Boost features overlap with C++11?
I put my C++ skills on the shelf several years ago and it seems now, when I need them again, the landscape has changed.
2 A...
Difference between Eclipse Europa, Helios, Galileo
... settings from the old. I've "started over" my Eclipse setup so many times now, I'm totally fed up using it, to be honest. I must be doing something wrong. :-(
– Ryan H.
Dec 6 '11 at 18:25
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