大约有 7,000 项符合查询结果（耗时：0.0254秒） [XML]
what is faster: in_array or isset? [closed]
...till faster in this example than in_array: ``` $start = microtime( true); $foo = array_flip($a); for ($i = 0; $i < 10000; ++$i) { isset($foo[rand(1, 1000000)]); } $total_time = microtime( true ) - $start; echo "Total time (flipped isset): ", number_format($total_time, 6), PHP_EOL;
...
UnicodeEncodeError: 'charmap' codec can't encode - character maps to , print function [du
...enc)
print(*map(f, objects), sep=sep, end=end, file=file)
uprint('foo')
uprint(u'Antonín Dvořák')
uprint('foo', 'bar', u'Antonín Dvořák')
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...
Best way to create an empty map in Java
...nce). For example, consider a method declared like this:
public void foobar(Map<String, String> map){ ... }
When passing the empty Map directly to it, you have to be explicit about the type:
foobar(Collections.emptyMap()); // doesn't compile
foobar(Collections.<Stri...
How to get CRON to call in the correct PATHs
...cript or command with Environment Variables
0 9 * * * cd /var/www/vhosts/foo/crons/; bash -l -c 'php -f ./download.php'
0 9 * * * cd /var/www/vhosts/foo/crons/; bash -l -c download.sh
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imp...
What does the KEY keyword mean?
...
@sergtk: As per the notation in the MySQL manual, FOO|BAR means that either the keyword FOO or the keyword BAR can be used. Id est, they are synonyms.
– dotancohen
Jan 6 '14 at 17:33
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How to iterate over the keys and values with ng-repeat in AngularJS?
...s, and you can fill this property automatically like this:
var data = {
foo: 'a',
bar: 'b'
};
$scope.objectHeaders = [];
for ( property in data ) {
$scope.objectHeaders.push(property);
}
// Output: [ 'foo', 'bar' ]
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Is it possible to modify variable in python that is in outer, but not global, scope?
...a list, or dict), and mutate the value instead of reassign.
example:
def foo():
a = []
def bar():
a.append(1)
bar()
bar()
print a
foo()
Outputs:
[1, 1]
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Concatenating string and integer in python
...
No string formatting:
>> print 'Foo',0
Foo 0
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How to solve java.lang.NoClassDefFoundError?
...nst and you're trying to use.
For example, if you had a class com.example.Foo, after compiling you would have a class file Foo.class. Say for example your working directory is .../project/. That class file must be placed in .../project/com/example, and you would set your classpath to .../project/.
...
JavaScript curry: what are the practical applications?
...ing... just a pleasant shorthand for anonymous functions.
partial(alert, "FOO!") is equivalent to function(){alert("FOO!");}
partial(Math.max, 0) corresponds to function(x){return Math.max(0, x);}
The calls to partial (MochiKit terminology. I think some other libraries give functions a .curry met...