大约有 46,000 项符合查询结果(耗时:0.0379秒) [XML]
UITapGestureRecognizer tap on self.view but ignore subviews
...l of them. I found this method below how to make gesture on my view and I know how it works. Right now I am in front of handicap which way to choose for create this recognizer ignoring subview. Any ideas? Thanks.
...
Python __str__ versus __unicode__
...
These I think are solid principles, but in practice it's very common to KNOW there will be nothing but ASCII characters without doing effort to prove it (e.g. the stringified form only has digits, punctuation, and maybe a short ASCII name;-) in which case it's quite typical to move on directly to ...
What does enumerate() mean?
...by Brett Slatkin and he shows another way to iterate over a list and also know the index of the current item in the list but he suggests that it is better not to use it and to use enumerate instead.
I know you asked what enumerate means, but when I understood the following, I also understood how en...
How do I access the request object or any other variable in a form's clean() method?
...
UPDATED 10/25/2011: I'm now using this with a dynamically created class instead of method, as Django 1.3 displays some weirdness otherwise.
class MyModelAdmin(admin.ModelAdmin):
form = MyCustomForm
def get_form(self, request, obj=None, **kw...
What is an undefined reference/unresolved external symbol error and how do I fix it?
...ompiled a bunch of implementation files into object files or libraries and now you want to get them to work together.
Say you defined symbol a in a.cpp. Now, b.cpp declared that symbol and used it. Before linking, it simply assumes that that symbol was defined somewhere, but it doesn't yet care wher...
How to use filter, map, and reduce in Python 3
...s from the documentation.
Views And Iterators Instead Of Lists
Some well-known APIs no longer return lists:
[...]
map() and filter() return iterators. If you really need a list, a quick fix is e.g. list(map(...)), but a better fix is often to use a list comprehension (especially when the original ...
Pass arguments to Constructor in VBA
... String, age as Integer)
m_name = name
m_age = age
End Sub
And now in the factory module:
Public Function CreateEmployee(name as String, age as Integer) as Employee
Dim employee_obj As Employee
Set employee_obj = new Employee
employee_obj.InitiateProperties name:=name, age...
How to darken a background using CSS?
...
@JohnMax Firefox is working fine now. Just have to wait a few years.
– Craig O. Curtis
Nov 28 '18 at 22:28
add a comment
...
assertEquals vs. assertEqual in python
...cal reasons, some of the TestCase methods had one or more aliases that are now deprecated. The following table lists the correct names along with their deprecated aliases:
Method Name | Deprecated alias | Deprecated alias
--------------+------------------+-----------------
assertEqual() | failUn...
Selecting multiple columns in a pandas dataframe
I have data in different columns but I don't know how to extract it to save it in another variable.
18 Answers
...
