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psql invalid command \N while restore sql
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Postgres uses "\N" as substitute symbol for NULL value. But all psql commands starts by backslash "\" symbol. So you can get this messages, when probably copy statement fails, but a loading of dump continues. This message is only false alarm. You have to search a lines before for reas...
Resize image in the wiki of GitHub using Markdown
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How many socket connections can a web server handle?
...am. Today, arbitrarily, let's say i7 (4 core) with 8GB of RAM.
A good firewall/router to match.
No virtual limit/governor - ie. Linux somaxconn, IIS web.config...
No dependency on other slower hardware - no reading from harddisk, because it would be the lowest common denominator and bottleneck, not ...
How to create a file in a directory in java?
If I want to create a file in C:/a/b/test.txt , can I do something like:
11 Answers
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C# difference between == and Equals()
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Unless the operator is specifically implemented in the class
– Dominic Cronin
Nov 19 '11 at 21:11
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Calculate MD5 checksum for a file
... {
return md5.ComputeHash(stream);
}
}
(I believe that actually the MD5 implementation used doesn't need to be disposed, but I'd probably still do so anyway.)
How you compare the results afterwards is up to you; you can convert the byte array to base64 for example, or compare the by...
Difference between framework vs Library vs IDE vs API vs SDK vs Toolkits? [closed]
...s. e.g Eclipse, Visual Studio.
A Library is a chunk of code that you can call from your own code, to help you do things more quickly/easily. For example, a Bitmap Processing library will provide facilities for loading and manipulating bitmap images, saving you having to write all that code for your...
Java - Method name collision in interface implementation
...gic in the method implementation that checks for which type of object the call is being made and invoke proper code ?
7 Ans...
What is the fastest factorial function in JavaScript? [closed]
Looking for a really fast implementation of factorial function in JavaScript. Any suggests?
49 Answers
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How can I scan barcodes on iOS?
How can I simply scan barcodes on iPhone and/or iPad?
19 Answers
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