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Fast way of finding lines in one file that are not in another?
... various whitespace options (-E, -b, -v etc) for less strict matching.
Explanation
The options --new-line-format, --old-line-format and --unchanged-line-format let you control the way diff formats the differences, similar to printf format specifiers. These options format new (added), old (remov...
Including an anchor tag in an ASP.NET MVC Html.ActionLink
...y", "Category", new { categoryID = parent.ID }) %>#section12">link text</a>
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Import error: No module name urllib2
...est and not urllib2.request. The urllib and urllib2 modules from Python 2.x have been combined into the urllib module in Python 3.
– Eli Courtwright
May 8 '10 at 2:05
1
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Saving an Object (Data persistence)
...e in the standard library.
Here's an elementary application of it to your example:
import pickle
class Company(object):
def __init__(self, name, value):
self.name = name
self.value = value
with open('company_data.pkl', 'wb') as output:
company1 = Company('banana', 40)
...
Convert Elixir string to integer or float
...ger/1 and String.to_float/1.
Hint: See also to_atom/1,to_char_list/1,to_existing_atom/1for other conversions.
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What MIME type should I use for CSV?
I've seen application/csv used and also text/csv .
5 Answers
5
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How to make overlay control above all other controls?
...as or Grid in your layout, give the control to be put on top a higher ZIndex.
From MSDN:
<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" WindowTitle="ZIndex Sample">
<Canvas>
<Rectangle Canvas.ZIndex="3" Width="100" Height="100" Canvas.Top="100" Canvas....
dynamic_cast and static_cast in C++
...lated. If the types are not related, you will get a compiler error. For example:
class B {};
class D : public B {};
class X {};
int main()
{
D* d = new D;
B* b = static_cast<B*>(d); // this works
X* x = static_cast<X*>(d); // ERROR - Won't compile
return 0;
}
dynamic_cast&l...
Operator overloading : member function vs. non-member function?
...ther parameter passed automatically is the this pointer. So no standard exists to compare them. On the other hand, overloaded operator declared as a friend is symmetric because we pass two arguments of the same type and hence, they can be compared.
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Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?
... slower...
function StringBuilder() {
this._array = [];
this._index = 0;
}
StringBuilder.prototype.append = function (str) {
this._array[this._index] = str;
this._index++;
}
StringBuilder.prototype.toString = function () {
return this._array.join('');
}
Here are performance ...