大约有 43,000 项符合查询结果(耗时:0.0352秒) [XML]
SQL/mysql - Select distinct/UNIQUE but return all columns?
...
That's a really good question. I have read some useful answers here already, but probably I can add a more precise explanation.
Reducing the number of query results with a GROUP BY statement is easy as long as you don't query additional information. Let's assume...
Immutable vs Unmodifiable collection
...
ok, might've misread that ;) But it is good to clarify it though.
– Hiery Nomus
Jan 17 '12 at 9:49
5
...
How do I view all commits for a specific day?
I've already looked at the relevant docs from git-scm.com and gitref.org , but I can't seem to figure this out.
5 Answe...
What is the difference between == and Equals() for primitives in C#?
...bool Equals(Int16 obj)
{
return m_value == obj;
}
Further Reading:
See Eric Lippert.
share
|
improve this answer
|
follow
|
...
How do I get currency exchange rates via an API such as Google Finance? [closed]
...2018. For more information please visit: https://github.com/fixerAPI/fixer#readme)
Website : http://fixer.io/
Example request :
[http://api.fixer.io/latest?base=USD][7]
Only collects one value per each day
European Central Bank Feed
Docs:
http://www.ecb.int/stats/exchange/eurofxref/html/...
What is the fastest substring search algorithm?
...
Wow thanks. I'm reading the paper. If it turns out to be better than what I have, I'll definitely accept your answer.
– R.. GitHub STOP HELPING ICE
Aug 13 '13 at 16:09
...
How to redirect 'print' output to a file using python?
... absolutely invalid. There's no reason to redirect stdout here, since he already gets the data into a variable.
– machine yearning
Aug 22 '11 at 20:44
...
What are the downsides to using Dependency Injection? [closed]
...s there)
Generally, the benefit of decoupling makes each task simpler to read and understand, but increases the complexity of orchestrating the more complex tasks.
share
|
improve this answer
...
How do I make an attributed string using Swift?
...or something else. There are many standard attributes in Swift that have already been predefined. For example:
key name: NSAttributedString.Key.font, value: a UIFont
key name: NSAttributedString.Key.foregroundColor, value: a UIColor
key name: NSAttributedString.Key.link, value: an NSURL or NSStrin...
Position an element relative to its container
...
It is certainly defined in the specification. Read section 9.4.3 and check the initial values for the properties.
– Jim
Sep 19 '08 at 20:31
...