大约有 44,700 项符合查询结果（耗时：0.0437秒） [XML]
Command line CSV viewer? [closed]
...
452
You can also use this:
column -s, -t < somefile.csv | less -#2 -N -S
column is a standard ...
How to filter SQL results in a has-many-through relation
...greSQL 9.0 on Debian Squeeze with decent RAM and settings.
6.000 students, 24.000 club memberships (data copied from a similar database with real life data.)
Slight diversion from the naming schema in the question: student.id is student.stud_id and club.id is club.club_id here.
I named the queries a...
json_encode sparse PHP array as JSON array, not JSON object
...ng this behaviour because your array is not sequential - it has keys 0 and 2, but doesn't have 1 as a key.
Just having numeric indexes isn't enough. json_encode will only encode your PHP array as a JSON array if your PHP array is sequential - that is, if its keys are 0, 1, 2, 3, ...
You can reinde...
How to retrieve the first word of the output of a command in bash?
I have a command, for example: echo "word1 word2" . I want to put a pipe ( | ) and get word1 from the command.
12 Answers
...
Do the JSON keys have to be surrounded by quotes?
...
|
edited Jun 29 '11 at 6:32
answered Jun 4 '09 at 9:26
...
T-SQL split string
I have a SQL Server 2008 R2 column containing a string which I need to split by a comma. I have seen many answers on StackOverflow but none of them works in R2. I have made sure I have select permissions on any split function examples. Any help greatly appreciated.
...
How can I access “static” class variables within class methods in Python?
...
|
edited Dec 2 '12 at 7:34
Pavel Strakhov
34.1k44 gold badges6969 silver badges111111 bronze badges
...
Check substring exists in a string in C
...
12 Answers
12
Active
...
Is it possible to change only the alpha of a rgba background colour on hover?
...
52
This is now possible with custom properties:
.brown { --rgb: 118, 76, 41; }
.green { --rgb: 51,...
How to install packages offline?
...$ mkdir /pypi && cd /pypi
$ ls -la
-rw-r--r-- 1 pavel staff 237954 Apr 19 11:31 Flask-WTF-0.6.tar.gz
-rw-r--r-- 1 pavel staff 389741 Feb 22 17:10 Jinja2-2.6.tar.gz
-rw-r--r-- 1 pavel staff 70305 Apr 11 00:28 MySQL-python-1.2.3.tar.gz
-rw-r--r-- 1 pavel staff 25972...