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Connection to SQL Server Works Sometimes

... MYSQLINSTANCE In the right-hand pane, right-click TCP/IP Click Properties Select the IP Addresses tab For each listed IP address, ensure Active and Enabled are both Yes. share | improve this answe...
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How does HTTP file upload work?

... Let's take a look at what happens when you select a file and submit your form (I've truncated the headers for brevity): POST /upload?upload_progress_id=12344 HTTP/1.1 Host: localhost:3000 Content-Length: 1325 Origin: http://localhost:3000 ... other headers ... Conten...
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Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...

...er=extmail password=extmail default_pass_scheme = CRYPT password_query = SELECT username AS user,password AS password FROM mailbox WHERE username = '%u' user_query = SELECT maildir, uidnumber AS uid, gidnumber AS gid FROM mailbox WHERE username = '%u' 启动dovecot service dovecot start ...
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Permission denied (publickey) when SSH Access to Amazon EC2 instance [closed]

...these steps: Access to AWS Management Console Open Elastic Beanstalk Tab Select your application from All Applications Tab From left side menù select Configuration Click on the Instances Gear In Server Form check the EC2 Key Pair input and select your new Key Pair. You may have to refresh the lis...
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How to convert an IPv4 address into a integer in C#?

...actually checks the endianness, here goes: byte[] ip = address.Split('.').Select(s => Byte.Parse(s)).ToArray(); if (BitConverter.IsLittleEndian) { Array.Reverse(ip); } int num = BitConverter.ToInt32(ip, 0); and back: byte[] ip = BitConverter.GetBytes(num); if (BitConverter.IsLittleEndian) {...
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MySQL CONCAT returns NULL if any field contain NULL

... convert the NULL values with empty string by wrapping it in COALESCE SELECT CONCAT(COALESCE(`affiliate_name`,''),'-',COALESCE(`model`,''),'-',COALESCE(`ip`,''),'-',COALESCE(`os_type`,''),'-',COALESCE(`os_version`,'')) AS device_name FROM devices ...
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How to allow remote connection to mysql

...SQL and noticed there were multiple root users with different passwords. select user, host, password from mysql.user; So in MySQL I set all the passwords for root again and I could finally log in remotely as root. use mysql; update user set password=PASSWORD('NEWPASSWORD') where User='root'; fl...
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unsigned int vs. size_t

...y removed all absolute guarantees about integer ranges (excluding unsigned char). The standard does not seem to contain the string '65535' or '65536' anywhere, and '+32767' only occurs (1.9:9) in a note as possible largest integer representable in int; no guarantee is given even that INT_MAX cannot ...
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How to get rid of `deprecated conversion from string constant to ‘char*’` warnings in GCC?

...ch case @John's answer below, about changing the signature to accept const char*, is more correct. – jcwenger Jun 27 '14 at 15:07 216 ...
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Get first n characters of a string

How can I get the first n characters of a string in PHP? What's the fastest way to trim a string to a specific number of characters, and append '...' if needed? ...