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Read environment variables in Node.js
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If you want to use a string key generated in your Node.js program, say, var v = 'HOME', you can use
process.env[v].
Otherwise, process.env.VARNAME has to be hardcoded in your program.
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Read a file in Node.js
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Why it doesn't work using just a plain stringy path, like ../someFolder/myFile.txt?
– Miguel Péres
Dec 14 '17 at 17:43
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When should I use a trailing slash in my URL?
...ile) when a directory is accessed, so /foo/ is /foo/index.html without the extra mess. Also, in the past, browsers would append / to the domain name, but they (Firefox, Chrome, Opera) have since changed to omit the / when accessing the homepage.
– 0b10011
Mar 7...
Servlet for serving static content
...tRequest wrapped = new HttpServletRequestWrapper(req) {
public String getServletPath() { return ""; }
};
rd.forward(wrapped, resp);
}
}
share
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improve this answer
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Case-insensitive string comparison in C++ [closed]
What is the best way of doing case-insensitive string comparison in C++ without transforming a string to all uppercase or all lowercase?
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What is “2's Complement”?
...hree
1100 to 1000 - negative four to negative eight
Note that you get one extra value for negatives (1000 = -8) that you don't for positives. This is because 0000 is used for zero. This can be considered as Number Line of computers.
Distinguishing between positive and negative numbers
Doing this, t...
How to dynamic new Anonymous Class?
...ove fields on the fly.
edit
Sure you can: just cast it to IDictionary<string, object>. Then you can use the indexer.
You use the same casting technique to iterate over the fields:
dynamic employee = new ExpandoObject();
employee.Name = "John Smith";
employee.Age = 33;
foreach (var propert...
GDB missing in OS X v10.9 (Mavericks)
...) to suppress some errors that should have been warnings...(added the -Wno-string-plus-int)
Line 385:
CFLAGS = -g -O2 -Wno-string-plus-int
Line 388:
CXXFLAGS = -g -O2 -Wno-string-plus-int
Don't know if both are necessary.
But
As it turns out the standard version does not support debugging fro...
Python list iterator behavior and next(iterator)
...; for i in a:
... print(i)
... _ = next(a)
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0
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4
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8
or print extra information to differentiate the print() output from the interactive interpreter echo:
>>> a = iter(list(range(10)))
>>> for i in a:
... print('Printing: {}'.format(i))
... next(a)
...
Printing...
Append values to query string
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You could use the HttpUtility.ParseQueryString method and an UriBuilder which provides a nice way to work with query string parameters without worrying about things like parsing, url encoding, ...:
string longurl = "http://somesite.com/news.php?article=1&lang=...