大约有 40,000 项符合查询结果（耗时：0.0404秒） [XML]
Is there a way to 'uniq' by column?
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-u for unique
-t, so comma is the delimiter
-k1,1 for the key field 1
Test result:
overflow@domain2.com,2009-11-27 00:58:29.793000000,xx3.net,255.255.255.0
stack2@domain.com,2009-11-27 01:05:47.893000000,xx2.net,127.0.0.1
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What is the difference between Scrum and Agile Development? [closed]
...ent cycle, including planning, requirements analysis, design, coding, unit testing, and acceptance testing when a working product is demonstrated to stakeholders.
So if in a SCRUM Sprint you perform all the software development phases (from requirement analysis to acceptance testing), and in my opi...
Explain the use of a bit vector for determining if all characters are unique
... The size has fixed size, which is 32 bits. Is that mean it can only test 32 characters' unique? I have test that, this function could test "abcdefgZZ" is false, but "abcdefg@@" return true.
– tli2020
Jan 14 '14 at 2:12
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How to determine the encoding of text?
...ca -g $tmpfile
echo 'recoding ........'
#iconv -f iso-8859-2 -t utf-8 back_test.xml > $tmpfile
#enca -x utf-8 $tmpfile
#enca -g $tmpfile
recode CP1250..UTF-8 $tmpfile
You might like to check the encoding by opening and reading the file in a form of a loop... but you might need to check the file...
Check if database exists in PostgreSQL using shell
...e special variable $? to the exit status of the last command. You can also test the status directly in a conditional:
if psql -lqt | cut -d \| -f 1 | grep -qw <db_name>; then
# database exists
# $? is 0
else
# ruh-roh
# $? is 1
fi
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What is the best way to unit test Objective-C code?
What frameworks exist to unit test Objective-C code? I would like a framework that integrates nicely with Apple Xcode.
17 ...
JavaScript check if variable exists (is defined/initialized)
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'if( variable )' also fails for testing for the existence of object properties.
– scotts
May 4 '10 at 22:40
55
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$_POST vs. $_SERVER['REQUEST_METHOD'] == 'POST'
... POST data.
I check the request method — I actually never thought about testing the $_POST array. I check the required post fields, though. So an empty post request would give the user a lot of error messages - which makes sense to me.
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Removing colors from output
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This one (of the many I tested) worked with Ansible output that had been run with unbuffer.
– Martin
Nov 8 '18 at 20:39
add ...
Parsing JSON with Unix tools
...tion, but that API no longer works, making it hard to copy the examples to test out, and the new Twitter API requires API keys, so I've switched to using the GitHub API which can be used easily without API keys. The first answer for the original question would be:
curl 'http://twitter.com/users/us...