大约有 12,000 项符合查询结果（耗时：0.0217秒） [XML]
jQuery pitfalls to avoid [closed]
... due to the fact that in older versions of jquery, it was faster to do $('#foo') rather than $('div#foo'), since by definition, an id is unique. I'm pretty sure this was fixed in later releases however, but that recommendation applied only to ids, not other types of selectors
–...
Can I write a CSS selector selecting elements NOT having a certain class or attribute?
...ritten. For
instance :not(*|*), which represents no element at all, or
foo:not(bar), which is equivalent to foo but with a higher
specificity.
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Testing two JSON objects for equality ignoring child order in Java
...could try using json-lib's JSONAssert class:
JSONAssert.assertEquals(
"{foo: 'bar', baz: 'qux'}",
JSONObject.fromObject("{foo: 'bar', baz: 'xyzzy'}")
);
Gives:
junit.framework.ComparisonFailure: objects differed at key [baz]; expected:<[qux]> but was:<[xyzzy]>
...
The key must be an application-specific resource id
...
You can use any resource - even just take a random R.id.FOO where FOO is some id in your project.
– Artem Russakovskii
Aug 31 '11 at 22:34
17
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Lists in ConfigParser
...ybe helpful for some.
I am using a combination of ConfigParser and JSON:
[Foo]
fibs: [1,1,2,3,5,8,13]
just read it with:
>>> json.loads(config.get("Foo","fibs"))
[1, 1, 2, 3, 5, 8, 13]
You can even break lines if your list is long (thanks @peter-smit):
[Bar]
files_to_check = [
"...
Is it OK to use == on enums in Java?
...und(double n) { ...; }
};
public abstract int round(double n);
}
int foo(Rounding roundMethod) {
return roundMethod.round(someCalculation());
}
int bar() {
return foo(Rounding.ROUND_UP);
}
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scp or sftp copy multiple files with single command
.../directory/\{a,b,c\} ./
Copy multiple files from local to remote:
$ scp foo.txt bar.txt your_username@remotehost.edu:~
$ scp {foo,bar}.txt your_username@remotehost.edu:~
$ scp *.txt your_username@remotehost.edu:~
Copy multiple files from remote to remote:
$ scp your_username@remote1.edu:/some/...
PHP code to convert a MySQL query to CSV [closed]
...sult, $showColumnHeaders);
}
For example:
$result = mysql_query("SELECT foo, bar, shazbot FROM baz WHERE boo = 'foo'");
csvToExcelDownloadFromResult($result);
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How to initialize std::vector from C-style array?
...an put it in the constructor and use the two iterator vector constructor:
Foo::Foo(double* w, int len) : w_(w, w + len) { }
Otherwise use assign as previously suggested:
void set_data(double* w, int len)
{
w_.assign(w, w + len);
}
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max value of integer
...
@GaborSch In Java, int foo = Integer.MAX_VALUE + 1; System.out.println(Integer.toUnsignedLong(foo)); prints 2147483648 and char is an unsigned type
– howlger
Oct 7 '17 at 9:38
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