大约有 13,916 项符合查询结果（耗时：0.0190秒） [XML]
How to select the nth row in a SQL database table?
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How do I output text without a newline in PowerShell?
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Write-Host -NoNewline "Enabling feature XYZ......."
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MySQL Error 1153 - Got a packet bigger than 'max_allowed_packet' bytes
...mport.
For the client, you can specify it on the command line:
mysql --max_allowed_packet=100M -u root -p database < dump.sql
Also, change the my.cnf or my.ini file under the mysqld section and set:
max_allowed_packet=100M
or you could run these commands in a MySQL console connected to tha...
Go to back directory browsing after opening file in vim
... answers, including the one by @romainl that imho is the correct one.
:Rex[plore]: Return to Explorer (by @romainl) vimdoc.sourceforge
:Explorer: opens the Explorer, same as :E (if not other command starting with E is defined (see stackoverflow), or as :Ex (see vim.wikia) (by @drug_user841417).
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HTML code for an apostrophe
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&#39; is the "mixed-use" ascii apostrophe/single quote. But the Unicode standard says you should prefer &#8217; for apostrophe and right single quote and &#8216; for left single quote.
– Bennett McElwee
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What is a vertical tab?
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@BillThor: Great, but what was the exact specification of VT? What did it actually do? I assume, based on your description, that it moved the imaginary "cursor" vertically down to the next "vertical tab" position. But did it also return the cursor to the beginn...
Is there a shortcut to make a block comment in Xcode?
...ompatible C code, and hence I can't use the line ( // ) comment. I'm using Xcode. In Sublime Text and Eclipse, and I think most other IDEs, there are separate keyboard shortcuts for line comments and block comments ( /**/ ). However, I don't see that in Xcode - in fact, I don't even see a menu optio...
How do I change the number of open files limit in Linux? [closed]
...eset the limit for your current shell and the number you specify must not exceed the hard limit
Each operating system has a different hard limit setup in a configuration file. For instance, the hard open file limit on Solaris can be set on boot from /etc/system.
set rlim_fd_max = 166384
set rlim_...
Remove an item from a dictionary when its key is unknown
...ictionary displays. as the PEP says they were added in 2.7 as backported 3.x feats. alternatively you can feed dict() with an appropriate generator expression, which is 2.4. meta: can browse the peps here for finding stuff out.
– n611x007
May 29 '14 at 11:43
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Postgresql: Scripting psql execution with password
... is often available to all users, and therefore insecure. However, in Linux/Unix environments you can provide an environment variable for a single command like this:
PGPASSWORD=yourpass psql ...
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