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What is the difference between char array and char pointer in C?
I am trying to understand pointers in C but I am currently confused with the following:
8 Answers
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Maximum length of the textual representation of an IPv6 address?
I want to store the data returned by $_SERVER["REMOTE_ADDR"] in PHP into a DB field, pretty simple task, really. The problem is that I can't find any proper information about the maximum length of the textual representation of an IPv6 address, which is what a webserver provides through $_SERVER...
可重入函数、不可重入函数及线程安全 - C/C++ - 清泛网 - 专注C/C++及内核技术
...的可重入函数：
accept
fchmod
lseek
sendto
stat
access
fchown
lstat
setgid
symlink
aio_error
fcntl
mkdir
setpgid
sysconf
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Check if key exists and iterate the JSON array using Python
I have a bunch of JSON data from Facebook posts like the one below:
7 Answers
7
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手机测高仪 · App Inventor 2 中文网
...给手机的传感器读）。
你的眼睛离地面的高度，记作 h（一般比身高矮 10 厘米左右）。
你的眼睛、树顶、以及树上和你眼睛齐平的那一点，正好组成一个直角三角形。
在这个三角形里，仰角的对边（树顶比你眼睛高出来的...
how do I make a single legend for many subplots with matplotlib?
I am plotting the same type of information, but for different countries, with multiple subplots with matplotlib. That is, I have 9 plots on a 3x3 grid, all with the same for lines (of course, different values per line).
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How to create border in UIButton?
I use custom button in my app named "addButton" and I want to border it with white color how can i get the white color border around my custom button?
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Objective-C categories in static library
Can you guide me how to properly link static library to iPhone project. I use static library project added to app project as direct dependency (target -> general -> direct dependencies) and all works OK, but categories. A category defined in static library is not working in app.
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How to link Docker services across hosts?
Docker allows servers from multiple containers to connect to each other via links and service discovery . However, from what I can see this service discovery is host-local. I would like to implement a service that uses other services hosted on a different machine.
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Timer function to provide time in nano seconds using C++
I wish to calculate the time it took for an API to return a value.
The time taken for such an action is in the space of nano seconds. As the API is a C++ class/function, I am using the timer.h to caculate the same:
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