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Sort objects in ArrayList by date?
...MyObject o) {
return getDateTime().compareTo(o.getDateTime());
}
}
And then you sort it by calling:
Collections.sort(myList);
However sometimes you don't want to change your model, like when you want to sort on several different properties. In that case, you can create comparator on the f...
How to print a linebreak in a python function?
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You can print a native linebreak using the standard os library
import os
with open('test.txt','w') as f:
f.write(os.linesep)
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What generates the “text file busy” message in Unix?
... Use lsof to check what other processes are using it. You can use kill command to kill it if needed.
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Heap vs Binary Search Tree (BST)
What is the difference between a heap and BST?
8 Answers
8
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How Do You Clear The IRB Console?
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@SidneyLiebrand I tested on Oh My ZSH and only Ctrl + L worked
– pluralism
Mar 18 '16 at 0:50
2
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Makefiles with source files in different directories
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This is a classic approach and is widely used, but it is sub-optimal in several ways that get worse as the project grow. Dave Hinton has the pointer to follow.
– dmckee --- ex-moderator kitten
Jul 16 '09 at 19:35
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Does JavaScript guarantee object property order?
... iteration order is a combination of the insertion order for strings keys, and ascending order for number-like keys:
// key order: 1, foo, bar
const obj = { "foo": "foo", "1": "1", "bar": "bar" }
Using an array or a Map object can be a better way to achieve this. Map shares some similarities with O...
When should I release objects in -(void)viewDidUnload rather than in -dealloc?
...ontroller means that even when its view is removed from the view hierarchy and released to save memory, through which the subviews are also released by the view, they will not actually be deallocated because the UIViewController itself still contains its own outstanding retaining references to those...
How to upload a file in Django? [closed]
...xample about this. I spent over 2 hours to dig up all the pieces to understand how this works. With that knowledge I implemented a project that makes possible to upload files and show them as list. To download source for the project, visit https://github.com/axelpale/minimal-django-file-upload-exam...
How to get everything after last slash in a URL?
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You don't need fancy things, just see the string methods in the standard library and you can easily split your url between 'filename' part and the rest:
url.rsplit('/', 1)
So you can get the part you're interested in simply with:
url.rsplit('/', 1)[-1]
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