大约有 13,065 项符合查询结果（耗时：0.0237秒） [XML]
Set background color of WPF Textbox in C# code
How can I change the background and foreground colors of a WPF Textbox programmatically in C#?
6 Answers
...
Is generator.next() visible in Python 3?
...s is consistency: special methods like __init__() and __del__() all have double underscores (or "dunder" in the current vernacular), and .next() was one of the few exceptions to that rule. This was fixed in Python 3.0. [*]
But instead of calling g.__next__(), use next(g).
[*] There are other speci...
adb update a non-market apk?
Is there a way we can update (not reinstall) a non-market apk on an Android device?
I could only find an adb install (nothing like adb update)
...
NUnit's Assert.Equals throws exception “Assert.Equals should not be used for assertions”
I recently attempted to use the method Assert.Equals() when writing a new NUnit test. Upon execution this method throws an AssertionException stating that
Assert.Equals should not be used for Assertions. This is a bit baffling at first glance. What's going on here?
...
Python Write bytes to file
I have a function that returns a string. The string contains carriage returns and new line feeds (0x0D, 0x0A). However when I write to a file it contains only the new line feeds. Is there a way to get the output to include the carriage return and the new line feed.
...
Bash Script: count unique lines in file
...ile (millions of lines) containing IP addresses and ports from a several hour network capture, one ip/port per line. Lines are of this format:
...
SqlAlchemy - Filtering by Relationship Attribute
I don't have much experience with SQLAlchemy and I have a problem, which I can't solve. I tried searching and I tried a lot of code.
This is my Class (reduced to the most significant code):
...
PostgreSQL delete with inner join
...
DELETE
FROM m_productprice B
USING m_product C
WHERE B.m_product_id = C.m_product_id AND
C.upc = '7094' AND
B.m_pricelist_version_id='1000020';
or
DELETE
FROM m_productprice
WHERE m_pricelist_version_id...
What is the difference between Collections.emptyList() and Collections.EMPTY_LIST
...
Collections.EMPTY_LIST returns an old-style List
Collections.emptyList() uses type-inference and therefore returns
List<T>
Collections.emptyList() was added in Java 1.5 and it is probably always preferable. This way, you don't need to unnecess...
What is the use of the pipe symbol in YAML?
I am new to yaml, and I have a question about the pipe symbol (|) used for multiple lines. Does YAML have any syntax like the one below?
...