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Change UICollectionViewCell size on different device orientations
....f, 170.f);
}
return CGSizeMake(192.f, 192.f);
}
- (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation
{
[self.collectionView performBatchUpdates:nil completion:nil];
}
Calling -performBatchUpdates:completion: will invalidate the layout and resize ...
NUnit's Assert.Equals throws exception “Assert.Equals should not be used for assertions”
...
Assert is a static class inheriting from System.Object, as all classes do implicitly in C#. System.Object implements the following method:
static bool Equals(object a, object b)
The methods on Assert which are intended for equality comparison are the Assert.Ar...
How to restore the permissions of files and directories within git if they have been modified?
...
Oh, it worked, I was trying to apply from a directory different than the repository root. git apply only works there.
– pepper_chico
Aug 28 '12 at 22:06
...
AngularJS access scope from outside js function
...ed to use $scope.$apply() if you want to make any changes to a scope value from outside the control of angularjs like a jquery/javascript event handler.
function change() {
alert("a");
var scope = angular.element($("#outer")).scope();
scope.$apply(function(){
scope.msg = 'Superh...
The model backing the context has changed since the database was created
...
Here's some information from Scott Gu's Blog posted by Jeff on what's actually taking place:
For those who are seeing this exception:
"The model backing the 'Production' context has changed since the
database was created. Either manually ...
What generates the “text file busy” message in Unix?
...
@FelipeValdes The name is historical from the terminology of a half century ago. For example, in multics the text segment of a program was distinct from the link segment, and even earlier people talked about binary text. stackoverflow.com/a/1282540/833300
...
Count how many records are in a CSV Python?
..."# {funcname}")
t = timeit.timeit(f'{funcname}("{filename}")', setup=f'from __main__ import {funcname}', number = 100) / 100
print('Elapsed time : ', t)
print('n = ', func(filename))
print('\n')
def sum1forline(filename):
with open(filename) as f:
return sum(1 for line i...
Numpy: find first index of value fast
...hen compile using:
f2py -c -m search search.f90
after which you can do (from Python):
import search
print(search.find_first.__doc__)
a = search.find_first(your_int_needle, your_int_array)
share
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...
Plot logarithmic axes with matplotlib in python
... pylab.
Here is a slightly cleaned up code, using only pyplot functions:
from matplotlib import pyplot
a = [ pow(10,i) for i in range(10) ]
pyplot.subplot(2,1,1)
pyplot.plot(a, color='blue', lw=2)
pyplot.yscale('log')
pyplot.show()
The relevant function is pyplot.yscale(). If you use the objec...
UITableView with fixed section headers
...p; make it plain for sticky section headers - do not forget: you can do it from storyboard without writing code. (click on your table view and change it is style from the right Side/ component menu)
if you have extra components such as custom views or etc. please check the table view's margins to cr...