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What character encoding should I use for a HTTP header?
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In short: Only ASCII is guaranteed to work. Some non-ASCII bytes are allowed for backwards compatibility, but are not supposed to be displayable.
HTTPbis gave up and specified that in the headers there is no useful encoding besides ASCII:
Historically, HTTP has...
What is the reason for having '//' in Python? [duplicate]
... answered Oct 8 '09 at 4:17
Mark RushakoffMark Rushakoff
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Getting all names in an enum as a String[]
...onstants()).replaceAll("^.|.$", "").split(", ");
}
That you would call like this:
String[] names = getNames(State.class); // any other enum class will work
If you just want something simple for a hard-coded enum class:
public static String[] names() {
return Arrays.toString(State.values())...
How do I install the yaml package for Python?
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You could try the search feature in pip,
$ pip search yaml
which looks for packages in PyPI with yaml in the short description. That reveals various packages, including PyYaml, yamltools, and PySyck, among others (Note that PySyck docs recommend using PyYaml, since syck is out of date). Now...
Android Studio rendering problems
...l. If the API level isn't in the list, you'll need to install it via the SDK Manager.
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How to get the number of characters in a std::string?
...t; ":" << strlen(str);
// Outputs "hello:5"
Or, if you happen to like using Pascal-style strings (or f***** strings as Joel Spolsky likes to call them when they have a trailing NULL), just dereference the first character.
const char *str = "\005hello";
std::cout << str + 1 << ":...
When I catch an exception, how do I get the type, file, and line number?
Catching an exception that would print like this:
4 Answers
4
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How do you execute an arbitrary native command from a string?
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Invoke-Expression, also aliased as iex. The following will work on your examples #2 and #3:
iex $command
Some strings won't run as-is, such as your example #1 because the exe is in quotes. This will work as-is, because the con...
Select by partial string from a pandas DataFrame
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Based on github issue #620, it looks like you'll soon be able to do the following:
df[df['A'].str.contains("hello")]
Update: vectorized string methods (i.e., Series.str) are available in pandas 0.8.1 and up.
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Will HTML5 allow web apps to make peer-to-peer HTTP connections?
... RAW TCP.
The complete spec can be found at http://dev.w3.org/html5/websockets/
jrh
EDIT: with specific reference to peer to peer connections, check out these links:
Regarding peer to peer connections: http://www.w3.org/TR/2008/WD-html5-20080122/#peer-to-peer
Regarding broadcast connections to ...