大约有 47,000 项符合查询结果(耗时:0.0724秒) [XML]
how to convert array values from string to int?
... $long_string = implode(',', $integers);
Method 1
This is the one liner from Mark's answer:
$integerIDs = array_map('intval', explode(',', $long_string));
Method 2
This is the JSON approach:
$integerIDs = json_decode('[' . $long_string . ']', true);
Method 3
I came up with this one as ...
Python date string to date object
...").date()
but you still get the traceback above.
Answer:
>>> from dateutil.parser import parse
>>> from datetime import datetime
>>> parse("2015-02-24T13:00:00-08:00")
datetime.datetime(2015, 2, 24, 13, 0, tzinfo=tzoffset(None, -28800))
...
What is the id( ) function used for?
...
Your post asks several questions:
What is the number returned from the function?
It is "an integer (or long integer) which is guaranteed to be unique and constant for this object during its lifetime." (Python Standard Library - Built-in Functions) A unique number. Nothing more, and n...
Unique combination of all elements from two (or more) vectors
I am trying to create a unique combination of all elements from two vectors of different size in R.
5 Answers
...
How do I write a correct micro-benchmark in Java?
...
Tips about writing micro benchmarks from the creators of Java HotSpot:
Rule 0: Read a reputable paper on JVMs and micro-benchmarking. A good one is Brian Goetz, 2005. Do not expect too much from micro-benchmarks; they measure only a limited range of JVM perfor...
How can I use a C++ library from node.js?
How can I use a C++ library from node.js?
8 Answers
8
...
Using capistrano to deploy from different git branches
... deploy.rb file for it's settings, one of them being the branch to deploy from.
13 Answers
...
Finding index of character in Swift String
...nd they don't want to expose that. The String.Index is meant to protect us from accessing bytes in the middle of characters.
That means that any index you get must be created from String.startIndex or String.endIndex (String.Index implements BidirectionalIndexType). Any other indices can be created...
How is std::function implemented?
...
The implementation of std::function can differ from one implementation to another, but the core idea is that it uses type-erasure. While there are multiple ways of doing it, you can imagine a trivial (not optimal) solution could be like this (simplified for the specific c...
How does OAuth 2 protect against things like replay attacks using the Security Token?
...nts occurs in OAuth 2 in order for Site-A to access User's information from Site-B .
8 Answers
...
