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Why do enum permissions often have 0, 1, 2, 4 values?
... binary:
1 == binary 00000001
2 == binary 00000010
4 == binary 00000100
etc., so
1 | 2 == binary 00000011
EDIT:
3 == binary 00000011
3 in binary is represented by a value of 1 in both the ones place and the twos place. It is actually the same as the value 1 | 2. So when you are trying to...
What is ActiveMQ used for - can we apply messaging concept using a Database?
... clustering ("network of brokers"), which allow scaling and distributions, etc.
You should read up on those topics a bit if you are interested since they are rather large.
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How to encode a URL in Swift [duplicate]
...URL encoding of query parameters because this charset includes &, ?, / etc. which serve as delimiters in a URL query, e.g.
/?paramname=paramvalue&paramname=paramvalue
These characters are allowed in URL queries as a whole but not in parameter values.
RFC 3986 specifically talks about unr...
What is an alternative to execfile in Python 3?
...s to the screen a lot of information it was not asked to print ('builtins' etc in Anaconda Python 3). Is there some way to turn this off so that only the information which I output with print() gets visualized?
– John Donn
Jan 8 '17 at 12:00
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Is it feasible to do (serious) web development in Lisp? [closed]
...oper resources (tools, libraries, documentation, best practices, examples, etc.) for a project of this nature?
11 Answers
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Best approach to remove time part of datetime in SQL Server
...es on internal storage
it extends to work out first day of month, tomorrow etc by changing "0" base
Edit, Oct 2011
For SQL Server 2008+, you can CAST to date i.e. CAST(getdate() AS date). Or just use date datatype so no time to remove.
Edit, Jan 2012
A worked example of how flexible this is: Ne...
How to Generate unique file names in C#
...tempt to create files in this order:
test.txt
test (2).txt
test (3).txt
etc. You can specify the maximum attempts or just leave it at the default.
Here's a complete example:
class Program
{
static FileStream CreateFileWithUniqueName(string folder, string fileName,
int maxAttempts ...
Separating class code into a header and cpp file
...Class goes here, full declaration AND implementation
#endif
The #ifndef etc. preprocessor definitions allow it to be used multiple times.
PS. The topic becomes clearer once you realize C/C++ is 'dumb' and #include is merely a way to say "dump this text at this spot".
...
Size-limited queue that holds last N elements in Java
...such as Apache Commons, Eclipse's libraries, Spring's, Google's additions, etc?
– GreyCat
Apr 12 '11 at 15:22
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Download a file from NodeJS Server using Express
...
For static files like pdfs, Word docs, etc. just use Express's static function in your config:
// Express config
var app = express().configure(function () {
this.use('/public', express.static('public')); // <-- This right here
});
And then just put all y...