大约有 41,000 项符合查询结果（耗时：0.0471秒） [XML]
Where could I buy a valid SSL certificate? [closed]
...l cert make sure you follow the steps here: startssl.com/?app=20 (for me I selected nginx) make sure you follow the part about the intermediate cert. Also you can double check cert problems here: sslshopper.com/ssl-checker.html, which helped me a lot.
– Chase Roberts
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How to get package name from anywhere?
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This should be the selected answer, because the context will never die out no matter what activity is running.
– Elad Nava
Dec 12 '13 at 13:03
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MySQL how to join tables on two fields
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SELECT *
FROM t1
JOIN t2 USING (id, date)
perhaps you'll need to use INNEER JOIN or
where t2.id is not null
if you want results only matching both conditions
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How do I prevent an Android device from going to sleep programmatically?
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This should be the selected answer. Simple, clean and as Android intended. Thank you.
– Lior Iluz
Jan 21 '14 at 5:44
2
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Are there any CSV readers/writer libraries in C#? [closed]
... {
string line = string.Join(",", row.Cells.Select(x => $"{x}"));
writer.WriteLine(line);
}
writer.Flush();
}
};
}
}
...
Create a new database with MySQL Workbench
...CE.
You launch MySQL Workbench.
From Menu Bar click on Database and then select "Connect to Database"
It by default showing you default settings other wise you choose you host name, user name and password. and click to ok.
As in above define that you should click write on existing database but if ...
“No X11 DISPLAY variable” - what does it mean?
... application called 'XLaunch' and verify that the settings are as shown:
select Default entries on Display Settings windows, click next
click next on Session Type window.
click next on Additional parameters window(Notice clipboard checkbox is true)
save configuration and click to finish.
Configu...
Bash command to sum a column of numbers [duplicate]
... With bc -l you can even add up float numbers. With cut you can select columns from the input: cat input.txt | cut -d ' ' -f 8 | paste -sd+ | bc -l will add all float numbers in column 8 of the input (space being the field separator).
– Arne
Sep 24 '...
JQuery: How to call RESIZE event only once it's FINISHED resizing?
...ndler. It attaches an event handler function for one or more events to the selected elements if the event was not triggered for a given interval. This is useful if you want to fire a callback only after a delay, like the resize event, or else.
https://github.com/yckart/jquery.unevent.js
;(function ...
Ruby on Rails: how do I sort with two columns using ActiveRecord?
...ersonally I find it easier to manage.
SQL gets produced in one step only:
SELECT "models".* FROM "models" ORDER BY "models"."etc" ASC, "models"."bar" DESC, "models"."foo" ASC
Thusly, for the original question:
Model.order(:updated_at).order(:price)
You need not declare data type, ActiveRecord ...