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调研结论：File组件写log文件大小有上限吗？会无限增长吗？（附日志轮转方...
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一、结论先行
File组件本身没有任何大小上限。AppendToFile 就是标准的文件追加写入（源码里 append=true 打开输出流，直接写），组件层面不检查文件大小，也不做任何轮转。文件会一直涨，直到手机存储空间写满为止。
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Calculate distance between two latitude-longitude points? (Haversine formula)
How do I calculate the distance between two points specified by latitude and longitude?
41 Answers
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What do linkers do?
... -r hello_world.o
which contains;
Relocation section '.rela.text' at offset 0x340 contains 1 entries:
Offset Info Type Sym. Value Sym. Name + Addend
00000000000c 000200000001 R_X86_64_64 0000000000000000 .data + 0
The format of this section is fixed docu...
What is the difference between JSON and Object Literal Notation?
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Also note that JSON is a subset of Object Literal Notation
– Sean Kinsey
May 25 '10 at 14:14
14
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Query an XDocument for elements by name at any depth
I have an XDocument object. I want to query for elements with a particular name at any depth using LINQ. When I use Descendants("element_name") , I only get elements that are direct children of the current level. What I'm looking for is the equivalent of "//element_name" in XPath...should I ju...
How to match “anything up until this sequence of characters” in a regular expression?
Take this regular expression: /^[^abc]/ . This will match any single character at the beginning of a string, except a, b, or c.
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Convert a String representation of a Dictionary to a dictionary?
How can I convert the str representation of a dict , such as the following string, into a dict ?
9 Answers
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Best way to define error codes/strings in Java?
I am writing a web service in Java, and I am trying to figure out the best way to define error codes and their associated error strings . I need to have a numerical error code and an error string grouped together. Both the error code and error string will be sent to the client accessing the web ser...
count(*) vs count(column-name) - which is more correct? [duplicate]
Does it make a difference if you do count(*) vs count(column-name) as in these two examples?
5 Answers
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How to capture no file for fs.readFileSync()?
Within node.js readFile() shows how to capture an error, however there is no comment for the readFileSync() function regarding error handling. As such, if I try to use readFileSync() when there is no file, I get the error Error: ENOENT, no such file or directory .
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