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How do I format a string using a dictionary in python-3.x?
...nce Python 3.6:
>>> geopoint = {'latitude':41.123,'longitude':71.091}
>>> print(f'{geopoint["latitude"]} {geopoint["longitude"]}')
41.123 71.091
Note the outer single quotes and inner double quotes (you could also do it the other way around).
...
Difference between Dictionary and Hashtable [duplicate]
...ing (and compile-time verification)
use without boxing
If you are .NET 2.0 or above, you should prefer Dictionary<TKey,TValue> (and the other generic collections)
A subtle but important difference is that Hashtable supports multiple reader threads with a single writer thread, while Dictiona...
Copy array by value
...
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edited Aug 30 at 9:38
Teocci
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answer...
How can I use Python to get the system hostname?
...
1095
Use socket and its gethostname() functionality. This will get the hostname of the computer whe...
Resize svg when window is resized in d3.js
...r.
.attr("preserveAspectRatio", "xMinYMin meet")
.attr("viewBox", "0 0 600 400")
// Class to make it responsive.
.classed("svg-content-responsive", true)
// Fill with a rectangle for visualization.
.append("rect")
.classed("rect", true)
.attr("width", 600)
.attr("...
What is the difference between C# and .NET?
...
10 Answers
10
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What is the minimum I have to do to create an RPM file?
...is as follow - in which i suppose the
program is toybinprog with version 1.0, have a conf to be installed in /etc/toybinprog/toybinprog.conf and have a bin to be installed in /usr/bin called tobinprog :
1. create your rpm build env for RPM < 4.6,4.7
mkdir -p ~/rpmbuild/{RPMS,SRPMS,BUILD,SOURCES...
How to convert a table to a data frame
... |
edited Nov 29 '16 at 20:39
Jaap
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answer...
Programmatically retrieve memory usage on iPhone
...;
NSLog(@"Memory in use (in MiB): %f", ((CGFloat)info.resident_size / 1048576));
} else {
NSLog(@"Error with task_info(): %s", mach_error_string(kerr));
}
}
There is also a field in the structure info.virtual_size which will give you the number of bytes available virtual memory (or mem...
SQLite add Primary Key
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answered Jun 3 '09 at 17:42
Nathan RidleyNathan Ridley
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