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Operator overloading : member function vs. non-member function?
... as member function is asymmetric because it can have only one parameter and the other 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...
What is the difference between 127.0.0.1 and localhost
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Well, by IP is faster.
Basically, when you call by server name, it is converted to original IP.
But it would be difficult to memorize an IP, for this reason the domain name was created.
Personally I use http://localhost instead of http://127.0.0.1 or http://username.
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Add new attribute (element) to JSON object using JavaScript
...N "object" is not an object at all, it's just a string. You would need to convert it to an actual Javascript object with JSON.parse() before using his example of object["property"] = value;
– SpaceNinja
Dec 28 '15 at 20:02
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How can I compare two dates in PHP?
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I like this answer. It's a great choice convert dates into strtotime()
– Erich García
Jan 25 '17 at 4:30
2
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How do I create a file AND any folders, if the folders don't exist?
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You want Directory.CreateDirectory()
Here is a class I use (converted to C#) that if you pass it a source directory and a destination it will copy all of the files and sub-folders of that directory to your destination:
using System.IO;
public class copyTemplateFiles
{
public stati...
Color text in terminal applications in UNIX [duplicate]
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printf(KMAG "magenta\n"); is much cleaner and faster than using %s.
– user142019
Feb 26 '11 at 12:43
13
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Selecting a row of pandas series/dataframe by integer index
...access to the pandas table, one can also consider numpy.as_array option to convert the table to Numpy array as
np_df = df.as_matrix()
and then
np_df[i]
would work.
share
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improve this answer...
Check if a class is derived from a generic class
...on avoids the unnecessary recursion performance hit also. It's an elegant and beautiful solution to a meta-generic question.
– EnocNRoll - AnandaGopal Pardue
Jan 19 '09 at 18:26
2...
How to put a new line into a wpf TextBlock control?
...de the string had double backslashes.
\\r\\n
To fix this I wrote a ValueConverter to strip the extra backslash.
public class XmlStringConverter : IValueConverter
{
public object Convert(
object value,
Type targetType,
object parameter,
CultureInfo culture)
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Python equivalent of D3.js
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Have you looked at vincent? Vincent takes Python data objects and converts them to Vega visualization grammar. Vega is a higher-level visualization tool built on top of D3. As compared to D3py, the vincent repo has been updated more recently. Though the examples are all static D3.
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