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浅析为什么char类型的范围是 -128~+127 - C/C++ - 清泛网 - 专注C/C++及内核技术
浅析为什么char类型的范围是 -128~+127在C语言中， signed char 类型的范围为-128~127,每本教科书上也这么写，但是没有哪一本书上（包括老师）也不会给你为什么是-128~127，这...在C语言中， signed char 类型的范围为-128~127,每本教科书上...
Datatables - Search Box outside datatable
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Default with search input in its own div:
sDom: '<"search-box"r>lftip'
If you use jQuery UI (bjQueryUI set to true):
sDom: '<"search-box"r><"H"lf>t<"F"ip>'
The above will put the search/filtering input element into it's own div with a class named search-box that is out...
Access denied for user 'test'@'localhost' (using password: YES) except root user
...ger exists.
My problem showed up when we changed the wildcard host (%) to IP specific, making the database more secure. Unfortunately there are some views that are still using 'user'@'%' even though 'user'@'172....' is technically correct.
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ansible: lineinfile for several lines?
...ame: Set first line at EOF (1/3)
lineinfile: dest=/path/to/file regexp="^string 1" line="string 1"
- name: Set second line after first (2/3)
lineinfile: dest=/path/to/file regexp="^string 2" line="string 2" insertafter="^string 1"
- name: Set third line after second (3/3)
lineinfile: dest=/pat...
string.split - by multiple character delimiter
i am having trouble splitting a string in c# with a delimiter of "][".
4 Answers
4
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How to convert comma-delimited string to list in Python?
Given a string that is a sequence of several values separated by a commma:
7 Answers
7...
Command line for looking at specific port
...In bash:
netstat -na | grep "8080"
In PowerShell:
netstat -na | Select-String "8080"
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django admin - add custom form fields that are not part of the model
I have a model registered in the admin site. One of its fields is a long string expression. I'd like to add custom form fields to the add/update page of this model in the admin that based on these fields values I will build the long string expression and save it in the relevant model field.
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Socket File “/var/pgsql_socket/.s.PGSQL.5432” Missing In Mountain Lion (OS X Server)
...connect via a Unix-domain socket to a server on the local host, or via TCP/IP to localhost on machines that don't have Unix-domain sockets.
Your OS supports Unix domain sockets, but PostgreSQL's Unix socket that psql needs either doesn't exist or is in a different location than it expects.
Specif...
How to declare variable and use it in the same Oracle SQL script?
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Is it possible to concatenate variables+strings?
– Ecropolis
Jun 18 '14 at 15:01
@E...