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How to represent empty char in Java Character class
I want to represent an empty character in Java as "" in String...
15 Answers
15
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How do I concatenate two strings in C?
How do I add two strings?
11 Answers
11
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Is there a float input type in HTML5?
...Elfayer's edit: quotes are optional in HTML unless you want to use certain characters. Personally I prefer to omit them where possible for better readability.
– Dave
Apr 2 '14 at 10:02
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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
...t';
-- MySQL 5.7, mysql.user table "password" field -> "authentication_string"
update user set authentication_string=password('mynewpassword') where user='root';
Flush the privileges
flush privileges;
Restart the server
quit
Stop and start the server again
Ubuntu and Debian:
sudo /etc/in...
Why is there no Char.Empty like String.Empty?
...en you get into the same situation as you would when you use lots of empty strings.
20 Answers
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extract part of a string using bash/cut/split
I have a string like this:
5 Answers
5
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Get string character by index - Java
I know how to work out the index of a certain character or number in a string, but is there any predefined method I can use to give me the character at the nth position? So in the string "foo", if I asked for the character with index 0 it would return "f".
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What is the difference between AF_INET and PF_INET in socket programming?
... Protocol Family
Meaning, AF_INET refers to addresses from the internet, IP addresses specifically. PF_INET refers to anything in the protocol, usually sockets/ports.
Consider reading the man pages for socket(2) and bind(2). For the sin_addr field, just do something like the following to set it:
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xtree(1796): warning C4800: “int”: 将值强制为布尔值“true”或“false...
..._Tree_iterator<std::_Tree_val<std::_Tree_simple_types<std::pair<const std::string,CPTCensorStatusItem *>>>>,
1> _Ty2=bool,
1> _Traits=std::_Tmap_traits<std::string,CPTCensorStatusItem *,CGraphFrame::Compare<std::string>,std::allocator<std::pair<const std::string,CPTCensor...
Replace multiple characters in a C# string
Is there a better way to replace strings?
12 Answers
12
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