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How do I read an entire file into a std::string in C++?
... way is to flush the stream buffer into a separate memory stream, and then convert that to std::string:
std::string slurp(std::ifstream& in) {
std::ostringstream sstr;
sstr << in.rdbuf();
return sstr.str();
}
This is nicely concise. However, as noted in the question this per...
Associating enums with strings in C#
...lue))
throw new InvalidEnumArgumentException(
"value", Convert.ToInt32(value), type);
// Get the static field for the value.
FieldInfo fi = type.GetField(value.ToString(),
BindingFlags.Static | BindingFlags.Public);
// Get the description attribute, if ther...
Converting user input string to regular expression
I am designing a regular expression tester in HTML and JavaScript. The user will enter a regex, a string, and choose the function they want to test with (e.g. search, match, replace, etc.) via radio button and the program will display the results when that function is run with the specified argument...
Why does Boolean.ToString output “True” and not “true”
...en to an XML file, its
String.ToLower method should be
called first to convert it to
lowercase.
Here comes the fun fact #1: it doesn't return TrueString or FalseString at all. It uses hardcoded literals "True" and "False". Wouldn't do you any good if it used the fields, because they're marke...
How to download all files (but not HTML) from a website using wget?
...es:
wget --accept pdf,jpg --mirror --page-requisites --adjust-extension --convert-links --backup-converted --no-parent http://site/path/
This will mirror the site, but the files without jpg or pdf extension will be automatically removed.
...
Changes in import statement python3
... In other words, if there was a Python package named base installed in the system, you'd get the wrong one.
Instead it requires you to use explicit imports which explicitly specify location of a module on a path-alike basis. Your derived.py would look like:
from .base import BaseThing
The leadin...
Converting bytes to megabytes
I've seen three ways of doing conversion from bytes to megabytes:
9 Answers
9
...
How to check if running in Cygwin, Mac or Linux?
... ends up calling whatever uname is first in your current path, which on my system turns out to be the version installed with geda which returns the text WindowsNT. It could equally be the MinGW version as described above, though. A reliable detection for cygwin must not rely on the path being set ...
How to convert std::string to NSString?
Hi I am trying to convert a standard std::string into an NSString but I'm not having much luck.
6 Answers
...
How to read data when some numbers contain commas as thousand separator?
...terpret it properly, but you can use gsub to replace "," with "", and then convert the string to numeric using as.numeric:
y <- c("1,200","20,000","100","12,111")
as.numeric(gsub(",", "", y))
# [1] 1200 20000 100 12111
This was also answered previously on R-Help (and in Q2 here).
Alternative...