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Is it possible for a computer to “learn” a regular expression by user-provided examples?
...
Yes, it's certainly "possible"; Here's the pseudo-code:
string MakeRegexFromExamples(<listOfPosExamples>, <listOfNegExamples>)
{
if HasIntersection(<listOfPosExamples>, <listOfNegExamples>)
return <IntersectionError>
string regex = "";
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Wget output document and headers to STDOUT
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Try the following, no extra headers
wget -qO- www.google.com
Note the trailing -. This is part of the normal command argument for -O to cat out to a file, but since we don't use > to direct to a file, it goes out to the shell. You can use -q...
How to sort with a lambda?
... return os;
};
};
typedef std::vector<Foo> VectorT;
std::string toString(const VectorT& v)
{
std::stringstream ss;
std::copy(v.begin(), v.end(), std::ostream_iterator<Foo>(ss, ", "));
return ss.str();
};
int main()
{
VectorT v(10);
std::for_each(v.be...
Word wrap for a label in Windows Forms
...eed to do in OnPaint is:
Measure the height of the text (Graphics.MeasureString).
If the label height is not equal to the height of the text set the height and return.
Draw the text.
You will also need to set the ResizeRedraw style flag in the constructor.
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eval command in Bash and its typical uses
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eval takes a string as its argument, and evaluates it as if you'd typed that string on a command line. (If you pass several arguments, they are first joined with spaces between them.)
${$n} is a syntax error in bash. Inside the braces, y...
Difference between open and codecs.open in Python
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In Python 2 there are unicode strings and bytestrings. If you just use bytestrings, you can read/write to a file opened with open() just fine. After all, the strings are just bytes.
The problem comes when, say, you have a unicode string and you do the f...
push_back vs emplace_back
...::map<int, Complicated> m;
int anInt = 4;
double aDouble = 5.0;
std::string aString = "C++";
// cross your finger so that the optimizer is really good
m.insert(std::make_pair(4, Complicated(anInt, aDouble, aString)));
// should be easier for the optimizer
m.emplace(4, anInt, aDouble, aStrin...
Adding HTML entities using CSS content
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The leading zeroes are superfluous, see CSS 2.1: 4.3.7 Strings. '>\a0' suffices.
– PointedEars
Dec 21 '11 at 19:35
20
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Append to string variable [closed]
How can I append a word to an already populated string variable with spaces?
4 Answers
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How to handle click event in Button Column in Datagridview?
... {
//TODO - Button Clicked - Execute Code Here
string x=myDataGridView.Rows[e.RowIndex].Cells[3].Value.ToString();
Form1 myform = new Form1();
myform.rowid= (int)x;
myform.Show();
}
}
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