大约有 36,010 项符合查询结果(耗时:0.0598秒) [XML]
How do I write a custom init for a UIView subclass in Swift?
... unless there is a reason to declare them var. There was no such reason to do so in my code example above, hence let.
– Wolf McNally
Jun 24 '14 at 14:27
2
...
Check if something is (not) in a list in Python
... branch ONLY if the tuple is not in the list (if it is in the list, then I don't want to take the if branch)
2 Answers
...
Type Checking: typeof, GetType, or is?
...an instance is in the inheritance tree.
Example
class Animal { }
class Dog : Animal { }
void PrintTypes(Animal a) {
Console.WriteLine(a.GetType() == typeof(Animal)); // false
Console.WriteLine(a is Animal); // true
Console.WriteLine(a.GetType() == typeof(Dog)); ...
How do you append to a file in Python?
How do you append to the file instead of overwriting it? Is there a special function that appends to the file?
13 Answers
...
How to concatenate stdin and a string?
...
A bit hacky, but this might be the shortest way to do what you asked in the question (use a pipe to accept stdout from echo "input" as stdin to another process / command:
echo "input" | awk '{print $1"string"}'
Output:
inputstring
What task are you exactly trying to acc...
Convert HashBytes to VarChar
I want to get the MD5 Hash of a string value in SQL Server 2005. I do this with the following command:
7 Answers
...
How do I run a terminal inside of Vim?
...is a text editor, not a shell.
I would use Ctrl+AS to split the current window horizontally, or in Ubuntu's screen and other patched versions, you can use Ctrl+A|(pipe) to split vertically. Then use Ctrl+ATab (or equivalently on some systems, Ctrl+ACtrl+I which may be easier to type) to switch betwe...
How to perform .Max() on a property of all objects in a collection and return the object with maximu
...
We have an extension method to do exactly this in MoreLINQ. You can look at the implementation there, but basically it's a case of iterating through the data, remembering the maximum element we've seen so far and the maximum value it produced under the pro...
Why do we need tuples in Python (or any immutable data type)?
... (Dive Into Python, for one), and the language reference on Python.org - I don't see why the language needs tuples.
9 Answe...
How do I handle ImeOptions' done button click?
...tText where I am setting the following property so that I can display the done button on the keyboard when user click on the EditText.
...
