大约有 2,500 项符合查询结果（耗时：0.0179秒） [XML]
Run cURL commands from Windows console
... upvotes. This is the way to go for users comfortable with mac terminal or unix distributions.
– BigRon
Jan 30 '16 at 19:54
1
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What's up with Java's “%n” in printf?
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While \n is the correct newline character for Unix-based systems, other systems may use different characters to represent the end of a line. In particular, Windows system use \r\n, and early MacOS systems used \r.
By using %n in your format string, you tell Java to use...
Getting the path of the home directory in C#?
...TH%. Reading environment variables is actually very portable to do (across Unix and Windows), so I'm not sure why the poster wanted to not do it.
Edited to add: For crossplatform (Windows/Unix) C#, I'd read $HOME on Unix and OSX and %HOMEDRIVE%%HOMEPATH% on Windows.
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Saving timestamp in mysql table using php
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Hey there, use the FROM_UNIXTIME() function for this.
Like this:
INSERT INTO table_name
(id,d_id,l_id,connection,s_time,upload_items_count,download_items_count,t_time,status)
VALUES
(1,5,9,'2',FROM_UNIXTIME(1299762201428),5,10,20,'1'),
(2,5,9,'2'...
Calculate number of hours between 2 dates in PHP
...= iterator_count($periods);
echo $hours . ' hours';
//difference between Unix Epoch
$diff = $end->getTimestamp() - $start->getTimestamp();
$hours = $diff / ( 60 * 60 );
echo $hours . ' hours (60 * 60)';
//difference between days
$diff = $end->diff($start);
$hours = $diff->h + ($diff-&...
Is there replacement for cat on Windows
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Windows type command works similarly to UNIX cat.
Example 1:
type file1 file2 > file3
is equivalent of:
cat file1 file2 > file3
Example 2:
type *.vcf > all_in_one.vcf
This command will merge all the vcards into one.
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Differences between fork and exec
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The use of fork and exec exemplifies the spirit of UNIX in that it provides a very simple way to start new processes.
The fork call basically makes a duplicate of the current process, identical in almost every way. Not everything is copied over (for example, resource limits ...
JAVA线程池管理及分布式HADOOP调度框架搭建 - 人工智能(AI) - 清泛IT社区，...
...陷就是随着开发人员的增多和业务模型的增多，单线程的编程模型也会变得复杂。比如需要对1000w数据进行分词，如果这个放到一个线程里来执行，不算计算时间消耗光是查询数据库就需要耗费不少时间。有人说，那我把1000w数...
Get current time as formatted string in Go?
...date in go (number of seconds from january 1970), the correct function is .Unix(), and it really return an integer
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Hidden Features of MySQL
...se types in a WHERE clause, it is best to do
WHERE datecolumn = FROM_UNIXTIME(1057941242)
and not
WHERE UNIX_TIMESTAMP(datecolumn) = 1057941242.
doing the latter won't take advantage of an index on that column.
http://dev.mysql.com/doc/refman/5.1/en/date-and-time-functions.html
UNIX...