大约有 2,500 项符合查询结果（耗时：0.0253秒） [XML]
PHP Sort a multidimensional array by element containing date
...time. date_compare then extracts the "datetime" field of each record as a UNIX timestamp (an integer), and returns the difference, so that the result will be 0 if both dates are equal, a positive number if the first one ($a) is larger or a negative value if the second argument ($b) is larger. usor...
Best way to simulate “group by” from bash?
...s main memory size. Don't underestimate the implementation quality of the Unix sort command. Sort was used to handle very large volumes of data (think the original AT&T's billing data) on machines with 128k (that's 131,072 bytes) of memory (PDP-11). When sort encounters more data than a prese...
how to prevent “directory already exists error” in a makefile when using mkdir
...
On UNIX Just use this:
mkdir -p $(OBJDIR)
The -p option to mkdir prevents the error message if the directory exists.
share
|
...
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.
...
App Inventor 2开发简单计算器 - App Inventor 2 中文网 - 清泛IT论坛，有思想、有深度
...实物计算器，给用户一种良好的使用体验。但对于我们的编程过程来说，还是应该从实现最简单的功能入手，先实现常规操作，否则将会迷失在各种不确定之中。一、输入数字（1）设置三个全局变量：前数、后数、算符如第一...
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...
bpftrace教程【官方】 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...加喜欢用tracepoints探针，因为tracepoints有稳定的应用程序编程接口。注意：现代linux系统(glibc >= 2.26)，open总是调用openat系统调用。
comm是内建变量，代表当前进程的名字。其它类似的变量还有pid和tid，分别表示进程标识和线程标...
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
add a comment
|
...
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...