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Python - How to sort a list of lists by the fourth element in each list? [duplicate]
... would like to sort the following list of lists by the fourth element (the integer) in each individual list.
2 Answers
...
Best way to define error codes/strings in Java?
...red."),
DUPLICATE_USER(1, "This user already exists.");
private final int code;
private final String description;
private Error(int code, String description) {
this.code = code;
this.description = description;
}
public String getDescription() {
return description;
}
...
How to sort a List alphabetically using Object name field
...sort(list, new Comparator<Campaign>() {
@Override
public int compare(final Campaign object1, final Campaign object2) {
return object1.getName().compareTo(object2.getName());
}
});
}
Or if you are using Java 1.8
list
.stream()
.sorted((object1, object2) ->...
Download a single folder or directory from a GitHub repo
...ia SVN. If you checkout your code with subversion, Github will essentially convert the repo from git to subversion on the backend, then serve up the requested directory.
Here's how you can use this feature to download a specific folder. I'll use the popular javascript library lodash as an example.
...
How to throw a C++ exception
...
Simple:
#include <stdexcept>
int compare( int a, int b ) {
if ( a < 0 || b < 0 ) {
throw std::invalid_argument( "received negative value" );
}
}
The Standard Library comes with a nice collection of built-in exception objects you c...
How to change color in markdown cells ipython/jupyter notebook?
...stand what you mean by 'conversion of the notebook to latex'. I am able to convert part of the text in span to latex and jupyter renders the latex in red.
– Shishir Pandey
Aug 11 '15 at 15:59
...
What is the HMVC pattern?
...ng convention" is used for internal and external requests, it's trivial to convert "internal" service requests to "external" requests or vice versa as the need arises.
Whilst this is a sensible architectural pattern, giving it its own name seems unnecessary (Symfony2 describes the same concept "sub...
Is there a Null OutputStream in Java?
...
Awesome, thanks for pointing that out! But "since Java 11"? I think Java 11 has only been out for one week.
– Brandon Yarbrough
Oct 5 '18 at 21:04
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C# List of objects, how do I get the sum of a property
...
Is this quicker than foreach out of interest?
– Coops
Feb 4 '13 at 14:08
4
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Is iterating ConcurrentHashMap values thread safe?
...p = new ConcurrentHashMap<String, String>();
private final static int MAP_SIZE = 100000;
public static void main(String[] args)
{
new ConcurrentMapIteration().run();
}
public ConcurrentMapIteration()
{
for (int i = 0; i < MAP_SIZE; i++)
{
map.put("key" + i, ...