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What is difference between monolithic and micro kernel?
...el can invoke functions directly. Examples of monolithic kernel based OSs: Unix, Linux.
In microkernels, the kernel is broken down into separate processes, known as servers. Some of the servers run in kernel space and some run in user-space. All servers are kept separate and run in different addres...
Is file append atomic in UNIX?
In general, what can we take for granted when we append to a file in UNIX from multiple processes? Is it possible to lose data (one process overwriting the other's changes)? Is it possible for data to get mangled? (For example, each process is appending one line per append to a log file, is it po...
Java current machine name and logged in user?
Is it possible to get the name of the currently logged in user (Windows/Unix) and the hostname of the machine?
4 Answers
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C++ wait for user input [duplicate]
...the comp.lang.c FAQ covers this in some depth, with solutions for Windows, Unix-like systems, and even MS-DOS and VMS.
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How to use git with gnome-keyring integration
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Update Q4 2016:
Unix, Mac (Git 2.11+)
git config --global credential.helper libsecret
(See "Error when using Git credential helper with gnome-keyring")
Windows:
git config --global credential.helper manager
(See "How to sign out in...
C++ code file extension? .cc vs .cpp [closed]
... broken down by different environments (from the "C++ Primer Plus" book):
Unix uses: .C, .cc, .cxx, .c
GNU C++ uses: .C, .cc, .cxx, .cpp, .c++
Digital Mars uses: .cpp, .cxx
Borland C++ uses: .cpp
Watcom uses: .cpp
Microsoft Visual C++ uses: .cpp, .cxx, .cc
Metrowerks CodeWarrior uses: .c...
手机测高仪 · App Inventor 2 中文网
...出手机量一下——用自己写的程序去测量真实世界，
是编程里最有意思的事情之一ヾ(◍°∇°◍)ﾉﾞ
边做边查
卡在哪一步？直接查操作
不用退出当前教程...
Please explain the exec() function and its family
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Simplistically, in UNIX, you have the concept of processes and programs. A process is an environment in which a program executes.
The simple idea behind the UNIX "execution model" is that there are two operations you can do.
The first is to for...
App Inventor 2 参考文档 · App Inventor 2 中文网
...档
块的扩展用法、列表高级用法、函数式编程指导
IoT 参考文档
蓝牙 SPP/BLE、WiFi、MQTT、ESP32、Arduino 等硬件开发
二进制数据专题
编码、拼帧、...
PHP convert date format dd/mm/yyyy => yyyy-mm-dd [duplicate]
... repeat here, so I'd like to offer some advice:
I would recommend using a Unix Timestamp integer instead of a human-readable date format to handle time internally, then use PHP's date() function to convert the timestamp value into a human-readable date format for user display. Here's a crude exampl...