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How to draw a custom UIView that is just a circle - iPhone app
... this --
self.circleView = [[UIView alloc] initWithFrame:CGRectMake(10,20,100,100)];
self.circleView.alpha = 0.5;
self.circleView.layer.cornerRadius = 50; // half the width/height
self.circleView.backgroundColor = [UIColor blueColor];
...
How to combine two or more querysets in a Django view?
...Here | is the set union operator, not bitwise OR.
– e100
Mar 26 '15 at 18:53
10
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Python: finding an element in a list [duplicate]
...numerate(arr)
Example of finding the index of an item that has value > 100.
for index, item in enumerate(arr):
if item > 100:
return index, item
Source
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Efficient way to determine number of digits in an integer
...eturn 10 + 1;
if (x < 0) return numDigits(-x) + 1;
if (x >= 10000) {
if (x >= 10000000) {
if (x >= 100000000) {
if (x >= 1000000000)
return 10;
return 9;
}
return 8;
}
...
Is there any overhead to declaring a variable within a loop? (C++)
...0) does to your simple examples:
1.c:
main(){ int var; while(int i < 100) { var = 4; } }
gcc -S 1.c
1.s:
_main:
pushl %ebp
movl %esp, %ebp
subl $24, %esp
movl $0, -16(%ebp)
jmp L2
L3:
movl $4, -12(%ebp)
L2:
cmpl $99, -16(%ebp)
jle L3
lea...
How to determine CPU and memory consumption from inside a process?
...= now;
lastUserCPU = user;
lastSysCPU = sys;
return percent * 100;
}
Linux
On Linux the choice that seemed obvious at first was to use the POSIX APIs like getrusage() etc. I spent some time trying to get this to work, but never got meaningful values. When I finally checked the ker...
Use Mockito to mock some methods but not others
... test:
Stock stock = mock(Stock.class);
when(stock.getPrice()).thenReturn(100.00); // Mock implementation
when(stock.getQuantity()).thenReturn(200); // Mock implementation
when(stock.getValue()).thenCallRealMethod(); // Real implementation
In that case, each method implementation is mocked...
How to efficiently compare two unordered lists (not sets) in Python?
...he longer lists, I suspect something is wrong with your benchmarking. For 100 ints with 5 repeats each, I get: 127 usec for sorted and 42 for Counter (about 3x faster). At 1,000 ints with 5 repeats, Counter is 4x faster. python3.6 -m timeit -s 'from collections import Counter' -s 'from random i...
Imitate Facebook hide/show expanding/contracting Navigation Bar
...
Here is one more implementation: TLYShyNavBar v1.0.0 released!
I decided to make my own after trying the solutions provided, and to me, they were either performing poorly, had a a high barrier of entry and boiler plate code, or lacked the extension view beneath the navb...
How do I select a merge strategy for a git rebase?
...
You can use this with Git v1.7.3 or later versions.
git rebase --strategy-option theirs ${branch} # Long option
git rebase -X theirs ${branch} # Short option
(which is a short for git rebase --strategy recursive --strategy-option theirs ${branch} a...