大约有 15,000 项符合查询结果（耗时：0.0314秒） [XML]
What's the point of g++ -Wreorder?
The g++ -Wall option includes -Wreorder. What this option does is described below. It is not obvious to me why somebody would care (especially enough to turn this on by default in -Wall).
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Printf width specifier to maintain precision of floating-point value
Is there a printf width specifier which can be applied to a floating point specifier that would automatically format the output to the necessary number of significant digits such that when scanning the string back in, the original floating point value is acquired?
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Easy way to list node modules I have npm linked?
I am looking for a command that will list the names of global modules that I have npm link 'd to local copies, also listing the local path.
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How to print matched regex pattern using awk?
Using awk , I need to find a word in a file that matches a regex pattern.
8 Answers
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Is there a simple way to remove multiple spaces in a string?
Suppose this string:
29 Answers
29
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Counting null and non-null values in a single query
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This works for Oracle and SQL Server (you might be able to get it to work on another RDBMS):
select sum(case when a is null then 1 else 0 end) count_nulls
, count(a) count_not_nulls
from us;
Or:
select count(*) - count(a), count(a) from us;
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Alternative to google finance api [closed]
I wanted to use Google Finance API to get stock data about the company but this API is deprecated since 2011/26/05.
5 Answe...
How to print third column to last column?
I'm trying to remove the first two columns (of which I'm not interested in) from a DbgView log file. I can't seem to find an example that prints from column 3 onwards until the end of the line. Note that each line has variable number of columns.
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Simple Vim commands you wish you'd known earlier [closed]
I'm learning new commands in Vim all the time, but I'm sure everyone learns something new once in a while. I just recently learned about this:
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POST request via RestTemplate in JSON
...oblem, so I want to ask you for help. I can't simply send POST request using RestTemplate object in JSON
14 Answers
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