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How to interpret API documentation function parameters?
...syntaxdoc laying around anywhere, however there is a ~30 year old file for UNIX man page synposis format which is widespread use.
Some examples of this (and answering your question) would be :
Underlined words are considered literals, and are typed just as they appear.
Square brackets ( [] ) around...
How do you read from stdin?
...s
data = sys.stdin.readlines()
print "Counted", len(data), "lines."
On Unix, you could test it by doing something like:
% cat countlines.py | python countlines.py
Counted 3 lines.
On Windows or DOS, you'd do:
C:\> type countlines.py | python countlines.py
Counted 3 lines.
...
Sqlite: CURRENT_TIMESTAMP is in GMT, not the timezone of the machine
...e.org/lang_datefunc.html) this text:
Compute the date and time given a unix
timestamp 1092941466, and compensate
for your local timezone.
SELECT datetime(1092941466, 'unixepoch', 'localtime');
That didn't look like it fit my needs, so I tried changing the "datetime" function around a bit...
Timing a command's execution in PowerShell
...races for simple commands, for example: "time ls", exactly as you would in Unix.
– Raúl Salinas-Monteagudo
May 22 '19 at 7:18
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How do i find out what all symbols are exported from a shared object?
...
Do you have a "shared object" (usually a shared library on AIX), a UNIX shared library, or a Windows DLL? These are all different things, and your question conflates them all :-(
For an AIX shared object, use dump -Tv /path/to/foo.o.
For an ELF shared library, use readelf -Ws /path/to/libf...
Python: What OS am I running on?
What do I need to look at to see whether I'm on Windows or Unix, etc?
25 Answers
25
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C++11 std::threads vs posix threads
...Windows. And of course it is absolutely missing in commercial compilers on UNIXes (Sun Studio on Solaris, HP aCC on HP-UX, IBM vacpp on AIX). Therefore, if your target platform is Linux only - c++11 std::thread is fine; if you also need Windows or other UNIX - boost::thread is the way to go.
...
How to find out the number of CPUs using python
...t; 0:
return res
except OSError:
pass
# Other UNIXes (heuristic)
try:
try:
dmesg = open('/var/run/dmesg.boot').read()
except IOError:
dmesgProcess = subprocess.Popen(['dmesg'], stdout=subprocess.PIPE)
dmesg = dmesgP...
How do I execute a command and get the output of the command within C++ using POSIX?
...g...
It seems like nobody does things the hard way any more.
(Assuming a Unix/Linux/Mac environment, or perhaps Windows with a POSIX compatibility layer...)
enum PIPE_FILE_DESCRIPTERS
{
READ_FD = 0,
WRITE_FD = 1
};
enum CONSTANTS
{
BUFFER_SIZE = 100
};
int
main()
{
int parentToCh...
CruiseControl.Net 进行持续化集成 - IT产品资讯 - 清泛网 - 专注C/C++及内核技术
...很多中小软件厂商的关注。那么敏捷除了一些经常谈论到编程思维和迭代的开发模式等，其实还部分依赖于好的改善工作流程的工具。持续化集成工具便是服务于敏捷软件开发的一个系列。它主要将原本分散，无序的工作流程，...