大约有 45,000 项符合查询结果（耗时：0.0795秒） [XML]
Given an array of numbers, return array of products of all other numbers (no division)
...t i=0;i<N;++i) {
products[i]=products_below[i]*products_above[i];
}
If you need to be O(1) in space too you can do this (which is less clear IMHO)
int a[N] // This is the input
int products[N];
// Get the products below the current index
p=1;
for(int i=0;i<N;++i) {
products[i]=p;
p*=...
Ruby on Rails production log rotation
...ms log tools.
An example in config/environments/production.rb.
# Use a different logger for distributed setups
config.logger = SyslogLogger.new
That way, you log to syslog, and can use default logrotate tools to rotate the logs.
Option 2: normal Rails logs + logrotate
Another option is to si...
Difference between matches() and find() in Java Regex
I am trying to understand the difference between matches() and find() .
5 Answers
5...
How to concatenate text from multiple rows into a single text string in SQL server?
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If you are on SQL Server 2017 or Azure, see Mathieu Renda answer.
I had a similar issue when I was trying to join two tables with one-to-many relationships. In SQL 2005 I found that XML PATH method can handle the concatenat...
Filter Fiddler traffic
... it possible to instruct Fiddler to only show me traffic directed to a specific host name?
In other words, can Fiddler traffic be filtered for Host?
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Clojure differences between Ref, Var, Agent, Atom, with examples
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In coordinated access, if I want to only change state-a, but refer to state-b in doing so, I still need a ref correct? So it's not changing multiple things but referring to multiple things while changing any of them?
– event_...
cscope or ctags why choose one over the other? [closed]
...emented. The second feature means that when you type foo. or foo->, and if foo is a structure, then a pop-up menu with field completion will be shown.
cscope also has the first feature - using set cscopetag - but not the last. However cscope additionally adds the ability to jump to any of the pl...
Any equivalent to .= for adding to beginning of string in PHP?
Just wondering if there is something like .= for adding text to the beginning of a string, e.g.:
5 Answers
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Why does C# allow {} code blocks without a preceding statement?
Why does C# allow code blocks without a preceding statement (e.g. if , else , for , while )?
9 Answers
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“’” showing on page instead of “ ' ”
...RK - U+2019) character which is being decoded as CP-1252 instead of UTF-8. If you check the encodings table, then you see that this character is in UTF-8 composed of bytes 0xE2, 0x80 and 0x99. If you check the CP-1252 code page layout, then you'll see that each of those bytes stand for the individua...