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mongo - couldn't connect to server 127.0.0.1:27017
...o the mongod server.
This could be because the address was wrong (host or IP) or that it was not running. One thing to note is the log trace provided does not cover the "Fri Nov 9 16:44:06" of your mongo timestamp.
Can you:
Provide the command line arguments (if any) used to start your
mongod p...
Maximum packet size for a TCP connection
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Your 1480'ish should be 1460. The IP header and the TCP header take up 20 bytes each at least (unless optional header fields are used) and thus the max for (non-Jumbo frame) Ethernet is 1500 - 20 -20 = 1460.
– Evgeniy Berezovsky
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Best way to parse command-line parameters? [closed]
...ln [--min-size num] [--max-size num] filename
"""
def main(args: Array[String]) {
if (args.length == 0) println(usage)
val arglist = args.toList
type OptionMap = Map[Symbol, Any]
def nextOption(map : OptionMap, list: List[String]) : OptionMap = {
def isSwitch(s : String) =...
“The certificate chain was issued by an authority that is not trusted” when connecting DB in VM Role
...r SQL VM's trusted root store.
If you have Encrypt=True in the connection string, either set that to off (not recommended), or add the following in the connection string:
TrustServerCertificate=True
SQL Server will create a self-signed certificate if you don't install one for it to use, but it w...
How to grant remote access to MySQL for a whole subnet?
I can easily grant access to one IP using this code:
7 Answers
7
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SQLite INSERT - ON DUPLICATE KEY UPDATE (UPSERT)
...rts upsert, so now you can simply write the following
INSERT INTO visits (ip, hits)
VALUES ('127.0.0.1', 1)
ON CONFLICT(ip) DO UPDATE SET hits = hits + 1;
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Shorten string without cutting words in JavaScript
I'm not very good with string manipulation in JavaScript, and I was wondering how you would go about shortening a string without cutting any word off. I know how to use substring, but not indexOf or anything really well.
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What is the effect of extern “C” in C++?
... represented in the binary file as symbols. These symbols are special text strings that uniquely identify a function in the program.
In C, the symbol name is the same as the function name. This is possible because in C no two non-static functions can have the same name.
Because C++ allows overload...
PHP $_SERVER['HTTP_HOST'] vs. $_SERVER['SERVER_NAME'], am I understanding the man pages correctly?
...dn't use anything in any attribute without escaping with htmlspecialchars($string, ENT_QUOTES), so there's nothing special about server variables there.
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Redis - Connect to Remote Server
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First I'd check to verify it is listening on the IPs you expect it to be:
netstat -nlpt | grep 6379
Depending on how you start/stop you may not have actually restarted the instance when you thought you had. The netstat will tell you if it is listening where you think it ...