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How to get the ASCII value of a character
How do I get the ASCII value of a character as an int in Python ?
5 Answers
5
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Count number of occurrences of a given substring in a string
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s = 'sub1 sub2 sub3'
s.split().index('sub2')
>>> 1
You mean the char-position of the sub-string in the string:
s.find('sub2')
>>> 5
You mean the (non-overlapping) counts of appearance of a su-bstring:
s.count('sub2')
>>> 1
s.count('sub')
>>> 3
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Passing command line arguments in Visual Studio 2010?
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Right click your project in Solution Explorer and select Properties from the menu
Go to Configuration Properties -> Debugging
Set the Command Arguments in the property list.
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How to get error message when ifstream open fails
...< "opened " << fileName << std::endl;
}
int main(int argc, char* argv[]) {
try {
process(argv[1]);
} catch (const std::system_error& e) {
std::clog << e.what() << " (" << e.code() << ")" << std::endl;
}
return 0;
}
E...
Does C# have an equivalent to JavaScript's encodeURIComponent()?
...). The point of encoding/escaping is that you're conveying that a reserved character should be passed through without its usual meaning (e.g. that ? identifies the query, or & separates query parameters). This requires knowledge that UrlEncode does not and cannot have.
– Br...
使用 C++ 处理 JSON 数据交换格式 - C/C++ - 清泛网 - 专注C/C++及内核技术
...单的例子。
Json::Reader reader;
Json::Value json_object;
const char* json_document = "{/"age/" : 26,/"name/" : /"huchao/"}";
if (!reader.parse(json_document, json_object))
return 0;
std::cout << json_object["name"] << std::endl;
std::cout << json_object["age"] << std::endl;
输...
jQuery UI accordion that keeps multiple sections open?
...o8rx3q/1 I also added some CSS to stop an opened accordion section looking selected when it's expanded
– Matthew Lock
Sep 2 '14 at 0:07
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Convert JS date time to MySQL datetime
...me()-(starttime.getTimezoneOffset()*60000));
// toISOString() is always 24 characters long: YYYY-MM-DDTHH:mm:ss.sssZ.
// .slice(0, 19) removes the last 5 chars, ".sssZ",which is (UTC offset).
// .replace('T', ' ') removes the pad between the date and time.
var formatedMysqlString = fixedtime.toISOSt...
How to iterate over arguments in a Bash script
...b of
handling them.
On Unix, a filename (single component) can contain any characters except
slash and NUL '\0'.
However, the shells strongly encourage no spaces or newlines or tabs
anywhere in a path names.
It is also why standard Unix file names do not contain spaces, etc.
When dealing with file ...
How to convert a color integer to a hex String in Android?
...sure you only get RRGGBB, and the %06X gives you zero-padded hex (always 6 chars long):
String hexColor = String.format("#%06X", (0xFFFFFF & intColor));
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