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Convert to binary and keep leading zeros in Python
...
Use the format() function:
>>> format(14, '#010b')
'0b00001110'
The format() function simply formats the input following the Format Specification mini language. The # makes the format include the 0b prefix, and the 010 size formats the output to fit in 10 charac...
appearanceWhenContainedIn in Swift
... methods are not compatible with Swift (see http://www.openradar.me/17302764).
I wrote a non-variadic workaround which works in Swift (I repeated the same method for UIBarItem, which doesn't descend from UIView):
// UIAppearance+Swift.h
#import <UIKit/UIKit.h>
NS_ASSUME_NONNULL_BEGIN
@interf...
Python memoising/deferred lookup property decorator
...dproperty
class Foo(object):
def __init__(self):
self.value = 4
@cachedproperty
def cached_prop(self):
self.value += 1
return self.value
f = Foo()
print(f.value) # initial value
print(f.cached_prop) # cached property is calculated
f.value = 1
print(f.cached_...
Why do I get a warning icon when I add a reference to an MEF plugin project?
...ining what the issue is
– matao
Sep 4 '17 at 0:06
7
Can confirm that this was the root of the iss...
Python unit test with base and sub class
...ef testSub2(self):
print 'Calling SubTest2:testSub2'
sub = 4
self.assertEquals(sub, 4)
if __name__ == '__main__':
unittest.main()
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Removing duplicate objects with Underscore for Javascript
....unique accepts a callback
var list = [{a:1,b:5},{a:1,c:5},{a:2},{a:3},{a:4},{a:3},{a:2}];
var uniqueList = _.uniq(list, function(item, key, a) {
return item.a;
});
// uniqueList = [Object {a=1, b=5}, Object {a=2}, Object {a=3}, Object {a=4}]
Notes:
Callback return value used for compari...
Can vim monitor realtime changes to a file
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PeterPeter
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ViewController respondsToSelector: message sent to deallocated instance (CRASH)
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JohnnywhoJohnnywho
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Get a random item from a JavaScript array [duplicate]
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edited Mar 26 at 14:06
answered May 6 '11 at 17:50
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How do I see what character set a MySQL database / table / column is?
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