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How to plot two columns of a pandas data frame using points?
...like to plot values from one column versus the values from another column. Fortunately, there is plot method associated with the data-frames that seems to do what I need:
...
How do I create a variable number of variables?
...t; x = "spam"
>>> z = {x: "eggs"}
>>> z["spam"]
'eggs'
For cases where you're thinking of doing something like
var1 = 'foo'
var2 = 'bar'
var3 = 'baz'
...
a list may be more appropriate than a dict. A list represents an ordered sequence of objects, with integer indices:
lst = ...
Why doesn't list have safe “get” method like dictionary?
...hat a valid list index is, but there's no particularly good way to do this for key values in a dictionary.
– Nick Bastin
Feb 26 '11 at 7:35
10
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Get IP address of visitors using Flask for Python
...])
def get_my_ip():
return jsonify({'ip': request.remote_addr}), 200
For more information see the Werkzeug documentation.
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Fast Bitmap Blur For Android SDK
...some testing and the blurring that I'm doing this actual works well enough for me and it's fast. Thanks!
– Greg
Jan 15 '10 at 17:06
4
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How to split a string literal across multiple lines in C / Objective-C?
... Line2";
Better approach
There's a better approach that works just for strings.
Plain C:
char *my_string = "Line 1 "
"Line 2";
Objective-C:
NSString *my_string = @"Line1 "
"Line2"; // the second @ is optional
The second approach is better, b...
How to make an OpenGL rendering context with transparent background?
...h. During my research I found different ways to achieve what I was looking for. One of the most interesting ones is AeroGL, and it shows snippets of code using a technique that was not mentioned so far, which is rendering the graphics to a device-independent bitmap (DIB).
To close this thread perma...
Structure padding and packing
...- say, int members would have offsets, which are mod(4) == 0 on 32-bit platform. Padding is on by default. It inserts the following "gaps" into your first structure:
struct mystruct_A {
char a;
char gap_0[3]; /* inserted by compiler: for alignment of b */
int b;
char c;
char gap...
What's the cleanest way of applying map() to a dictionary in Swift?
...lue in (key.uppercased(), value.lowercased()) })
There are also new APIs for merging dictionaries together, substituting a default value for missing elements, grouping values (converting a collection into a dictionary of arrays, keyed by the result of mapping the collection over some function), an...
How to check if the string is empty?
...u should use myString == "". See the documentation on Truth Value Testing for other values that are false in Boolean contexts.
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