大约有 16,000 项符合查询结果(耗时:0.0231秒) [XML]
Why array implements IList?
...nt collections with indexers?" And to that I have no answer.
There are no readonly interfaces for collections either. And I'm missing those even more than a constant sized with indexers interface.
IMO there should be several more (generic) collection interfaces depending on the features of a colle...
“’” showing on page instead of “ ' ”
... â, € and ™.
and how can I fix it?
Use UTF-8 instead of CP-1252 to read, write, store, and display the characters.
I have the Content-Type set to UTF-8 in both my <head> tag and my HTTP headers:
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
This only i...
What's the difference between a Future and a Promise?
...adoc extract needs a serious workover by a decent tech author. On my fifth read-through I can just start to appreciate what it's trying to say ... and I come to this with an understanding of futures and promises already in place!
– Beetroot-Beetroot
Jan 28 '13 ...
Should it be “Arrange-Assert-Act-Assert”?
...sanity check, to ensure that the second assertion is really meaningful.
Read by itself, assertTrue(range.includes(7)); is saying: "assert that the modified range includes 7". Read in the context of the first assertion, it's saying: "assert that invoking encompass() causes it to include 7. And s...
scanf() leaves the new line char in the buffer
...hitespace either. The literal order has to match the next character to be read.
So you probably want " order = %d" there if you want to skip a newline from the previous line but still require a literal match on a fixed string, like this question.
...
MySQL indexes - what are the best practices?
...
You should definitely spend some time reading up on indexing, there's a lot written about it, and it's important to understand what's going on.
Broadly speaking, an index imposes an ordering on the rows of a table.
For simplicity's sake, imagine a table is ju...
How can I get a java.io.InputStream from a java.lang.String?
...
Update: This answer is precisely what the OP doesn't want. Please read the other answers.
For those cases when we don't care about the data being re-materialized in memory, please use:
new ByteArrayInputStream(str.getBytes("UTF-8"))
...
upstream sent too big header while reading response header from upstream
...the proxy_buffer_size and the proxy_buffers, or disable it totally (Please read the nginx documentation).
Example of proxy buffering configuration
http {
proxy_buffer_size 128k;
proxy_buffers 4 256k;
proxy_busy_buffers_size 256k;
}
Example of disabling your proxy buffer (recommended ...
How do I check if a number evaluates to infinity?
...
@Eli: The global Infinity property isn't read-only which means that it can be redefined: For example, var x = 42; Infinity = 42; alert(x === Infinity); displays "true". (Admittedly that's an obscure case, and anyone who decides to redefine Infinity, NaN etc should e...
Generator Expressions vs. List Comprehension
...
@Annan Only if you already have access to another infinite generator. For example, itertools.count(n) is an infinite sequence of integers, starting from n, so (2 ** item for item in itertools.count(n)) would be an infinite sequence of the powers ...
