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How to check if my string is equal to null?
...) should return false.
The way to compare with null is to use x == null and x != null.
Moreover, x.field and x.method() throws NullPointerException if x == null.
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How to declare or mark a Java method as deprecated?
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Use both @Deprecated annotation and the @deprecated JavaDoc tag.
The @deprecated JavaDoc tag is used for documentation purposes.
The @Deprecated annotation instructs the compiler that the method is deprecated. Here is what it says in Sun/Oracles document ...
Adding days to a date in Python
I have a date "10/10/11(m-d-y)" and I want to add 5 days to it using a Python script. Please consider a general solution that works on the month ends also.
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Separators for Navigation
...he background image to the conventional li (with a conditional stylesheet) and perhaps apply a negative margin to one of the edges.
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How do you implement a private setter when using an interface?
... postfix: "",
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What part of Hindley-Milner do you not understand?
...[below]".
If there are multiple expressions in [above], then consider them anded together; all of the [above] must be true in order to guarantee the [below].
: means has type
∈ means is in. (Likewise ∉ means "is not in".)
Γ is usually used to refer to an environment or context; in this case it ...
What does functools.wraps do?
...g
def f(x):
"""does some math"""
return x + x * x
f = logged(f)
and your function f is replaced with the function with_logging. Unfortunately, this means that if you then say
print(f.__name__)
it will print with_logging because that's the name of your new function. In fact, if you lo...
How to retrieve inserted id after inserting row in SQLite using Python?
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How do I create a directory from within Emacs?
How exactly can I create a new directory using Emacs? What commands do I use? (If possible, please provide an example)
6 An...
Datatables - Search Box outside datatable
I'm using DataTables ( datatables.net ) and I would like my search box to be outside of the table (for example in my header div).
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