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How to remove all of the data in a table using Django
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142
Inside a manager:
def delete_everything(self):
Reporter.objects.all().delete()
def drop_t...
Hg: How to do a rebase like git's rebase
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answered Apr 20 '10 at 4:14
Ry4an BraseRy4an Brase
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Sorting an array of objects by property values
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edited Jun 18 at 18:45
Abhishek
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answered Jun...
Find all files with name containing string
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edited Jan 6 '16 at 14:33
answered Jul 4 '12 at 12:25
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Java: how can I split an ArrayList in multiple small ArrayLists?
....asList(5,3,1,2,9,5,0,7)
);
List<Integer> head = numbers.subList(0, 4);
List<Integer> tail = numbers.subList(4, 8);
System.out.println(head); // prints "[5, 3, 1, 2]"
System.out.println(tail); // prints "[9, 5, 0, 7]"
Collections.sort(head);
System.out.println(numbers); // prints "[1, ...
How to format a phone number with jQuery
I'm currently displaying phone numbers like 2124771000 . However, I need the number to be formatted in a more human-readable form, for example: 212-477-1000 . Here's my current HTML :
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Checking a Python module version at runtime
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jldupont
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answered Apr 2 '09 at 17:02
Mark RoddyMark R...
What do numbers using 0x notation mean?
...rals that start with 0x are hexadecimal integers. (base 16)
The number 0x6400 is 25600.
6 * 16^3 + 4 * 16^2 = 25600
For an example including letters (also used in hexadecimal notation where A = 10, B = 11 ... F = 15)
The number 0x6BF0 is 27632.
6 * 16^3 + 11 * 16^2 + 15 * 16^1 = 27632
24576 ...
Element-wise addition of 2 lists?
... zip(list1, list2)]
[5, 7, 9]
Timing comparisons:
>>> list2 = [4, 5, 6]*10**5
>>> list1 = [1, 2, 3]*10**5
>>> %timeit from operator import add;map(add, list1, list2)
10 loops, best of 3: 44.6 ms per loop
>>> %timeit from itertools import izip; [a + b for a, b i...
How to check file MIME type with javascript before upload?
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364
You can easily determine the file MIME type with JavaScript's FileReader before uploading it to ...