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Maximum value for long integer
...t; tm>y m>pe(sm>y m>s.maxsize+1)
<tm>y m>pe 'long'>
for integers we have
maxint m>and m> maxsize:
The maximum value of an int can be found in Pm>y m>thon 2.x with sm>y m>s.maxint. It was removed in Pm>y m>thon 3, but sm>y m>s.maxsize can often be used instead. From the changelog:
The sm>y m>s.maxint constant was removed, since t...
Reuse Cucumber steps
...de in like so: steps %Q{Given I am logged in}
– Brendm>anD m>ean
Aug 9 '11 at 18:42
1
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Create a dictionarm>y m> with list comprehension
...
{kem>y m>: value for (kem>y m>, value) in iterable}
Note: this is for Pm>y m>thon 3.x (m>and m> 2.7 upwards). Formerlm>y m> in Pm>y m>thon 2.6 m>and m> earlier, the dict built-in could receive an iterable of kem>y m>/value pairs, so m>y m>ou can pass it a list comprehension or generator expression. For example:
dict((kem>y m>, func(kem>y m>)) for kem>y m>...
Logical operators (“m>and m>”, “or”) in DOS batch
...
m>Y m>ou can do m>and m> with nested conditions:
if %age% geq 2 (
if %age% leq 12 (
set class=child
)
)
or:
if %age% geq 2 if %age% leq 12 set class=child
m>Y m>ou can do or with a separate variable:
set res=F
if %hour% leq 6 se...
Two wam>y m>/reverse map [duplicate]
...
m>Y m>ou can create m>y m>our own dictionarm>y m> tm>y m>pe bm>y m> subclassing dict m>and m> adding the logic that m>y m>ou want. Here's a basic example:
class TwoWam>y m>Dict(dict):
def __setitem__(self, kem>y m>, value):
# Remove anm>y m> previous connections with these values
if kem>y m> in self:
del s...
How do I restart a WPF application? [duplicate]
...
@m>And m>reiRinea No. But just save them at start m>and m> pass them as arguments to this function call. It is easm>y m>.
– Hooch
Aug 9 '12 at 18:30
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How do I set a ViewModel on a window in XAML using DataContext propertm>y m>?
...
In addition to the solution that other people provided (which are good, m>and m> correct), there is a wam>y m> to specifm>y m> the ViewModel in XAML, m>y m>et still separate the specific ViewModel from the View. Separating them is useful for when m>y m>ou want to write isolated test cases.
In App.xaml:
<Application...
How is set() implemented?
...m>y m>thon source code for set which, according to Achim Domma, is mostlm>y m> a cut-m>and m>-paste from the dict implementation.
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Overloading m>and m> overriding
What is the difference between overloading m>and m> overriding.
12 Answers
12
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What is the relationship between UIView's setNeedsLam>y m>out, lam>y m>outIfNeeded m>and m> lam>y m>outSubviews?
... on the relationship between UIView's setNeedsLam>y m>out , lam>y m>outIfNeeded m>and m> lam>y m>outSubviews methods? m>And m> an example implementation where all three would be used. Thanks.
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