大约有 44,999 项符合查询结果（耗时：0.0569秒） [XML]
Sort array of objects by string property value
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It's easy enough to write your own comparison function:
function compare( a, b ) {
if ( a.last_nom < b.last_nom ){
return -1;
}
if ( a.last_nom > b.last_nom ){
return 1;
}
return 0;
}
objs.sort( comp...
Why does comparing strings using either '==' or 'is' sometimes produce a different result?
...thon program where two variables are set to the value 'public' . In a conditional expression I have the comparison var1 is var2 which fails, but if I change it to var1 == var2 it returns True .
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How to show math equations in general github's markdown(not github's blog)
After investigating, I've found mathjax can do this. But when I write some example in my markdown file, it doesn't show the correct equations:
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How do I replace whitespaces with underscore?
I want to replace whitespace with underscore in a string to create nice URLs. So that for example:
13 Answers
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How to log SQL statements in Grails
...rue
}
in DataSource.groovy (as per these instructions) was enough to get it working in my environment. It seems that parts of the FAQ are out of date (e.g. "the many-to-many columns backwards" question) so this might also be something that changed in the meantime.
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Disable single warning error
Is there a way to disable just a single warning line in a cpp file with visual studio?
11 Answers
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How to Store Historical Data
...count of everything updated. FOO_Hist holds the exact same fields as FOO with the exception of an auto-incrementing HIST_ID. Every time FOO is updated, I perform an insert statement into FOO_Hist similar to: insert into FOO_HIST select * from FOO where id = @id .
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Loading existing .html file with android WebView
I did try samples, demos from Google codes and other resources with WebView , but when i try to do it in my own code, it doesn't work for me.
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PDO mysql: How to know if insert was successful
...follow
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edited Sep 23 '11 at 21:05
shmeeps
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What is /dev/null 2>&1?
... /dev/null redirects standard output (stdout) to /dev/null, which discards it.
(The >> seems sort of superfluous, since >> means append while > means truncate and write, and either appending to or writing to /dev/null has the same net effect. I usually just use > for that reason.)...