大约有 43,000 项符合查询结果（耗时：0.0482秒） [XML]
Bash script and /bin/bash^M: bad interpreter: No such file or directory [duplicate]
...our Unix env using vi and test.
Unix uses different line endings so can't read the file you created on Windows. Hence it is seeing ^M as an illegal character.
If you want to write a file on Windows and then port over, make sure your editor is set to create files in UNIX format.
In notepad++ in th...
How can I combine multiple rows into a comma-delimited list in Oracle? [duplicate]
... Nice short solution but a couple typos marred it. This line should read: FROM (SELECT country_name , ROW_NUMBER () OVER (ORDER BY country_name ) rn,
– Stew S
Jan 26 '09 at 21:26
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How to convert a string to utf-8 in Python
...tion 2: invalid start byte This is my code: ret=[] for line in csvReader: cline=[] for elm in line: unicodestr = unicode(elm, 'utf-8') cline.append(unicodestr) ret.append(cline)
– Gopakumar N G
Oct 22 '13...
How to convert a JSON string to a Map with Jackson JSON
...t;String,Object>>() {};
HashMap<String,Object> o = mapper.readValue(from, typeRef);
System.out.println("Got " + o);
}
It's reading from a file, but mapper.readValue() will also accept an InputStream and you can obtain an InputStream from a string by using the following:
ne...
What is the opposite of 'parse'? [closed]
...keyboard is getting the better of me. That's supposed to be "parsing" and "reading".
– Kyle Cronin
Sep 29 '08 at 14:37
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What resources exist for Database performance-tuning? [closed]
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Quick PostgreSQL Optimization (query optimizing)
Short read, explains a lot of things well and 'works' a real example which is nice for those of us that learn better that way.
After seeing the wiki link to PostgreSQL, figured I'd edit this post with links for mysql/oracle docs, ...
What's the use of do while(0) when we define a macro? [duplicate]
I'm reading the linux kernel and I found many macros like this:
2 Answers
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Oracle SQL escape character (for a '&')
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I read on Ask Tom (asktom.oracle.com/pls/asktom/…) that "SET ESCAPE is a sqplus'ism". So this would only be the real answer if the question were about SQL*Plus.
– Karl Kieninger
Oct 3 '1...
How do I git rm a file without deleting it from disk? [duplicate]
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git rm --cached file
should do what you want.
You can read more details at git help rm
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How to mark a method as obsolete or deprecated?
...state it in the message. Especially since the resulting warning/error will read 'Method1' is obsolete: 'Method1 is deprecated, please use Method2 instead.'
– irreal
Dec 25 '15 at 7:54
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