大约有 25,300 项符合查询结果(耗时:0.0435秒) [XML]
Check if inputs are empty using jQuery
...ing');
}
});
If you're sure it will always operate on a textfield element then you can just use this.value.
$('#apply-form input').blur(function()
{
if( !this.value ) {
$(this).parents('p').addClass('warning');
}
});
Also you should take note that $('input:text') gra...
Better way to get type of a Javascript variable?
...ascript-typeof-operator/
He goes through the pros and cons of the various methods then defines a new method 'toType' -
var toType = function(obj) {
return ({}).toString.call(obj).match(/\s([a-zA-Z]+)/)[1].toLowerCase()
}
...
Make a float only show two decimal places
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How to remove all characters after a specific character in python?
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Use PPK file in Mac Terminal to connect to remote connection over SSH [closed]
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What does this error mean when I try to run the puttygen command? Enter passphrase to load key: Assertion failed: (random_active), function random_byte, file ./../sshrand.c, line 313. Abort trap: 6
– fastasleep
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How to convert a char array to a string?
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It would still work either way. The overloaded assignment operator takes a const char*, so you can pass it a string literal or char array (which decays to that).
– Mysticial
Jan 22 '12 at 9:19
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Beginner's guide to ElasticSearch [closed]
...ransferred over to the Elastic blog, and can be found by filtering on my name: https://www.elastic.co/blog/author/zachary-tong
To be perfectly honest, the best source of beginner knowledge is now Elasticsearch - The Definitive Guide written by myself and Clinton Gormley.
It assumes zero search ...
What is an intuitive explanation of the Expectation Maximization technique? [closed]
Expectation Maximization (EM) is a kind of probabilistic method to classify data. Please correct me if I am wrong if it is not a classifier.
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How to convert a string to utf-8 in Python
... unicode. The unicode function does not exist anymore. See answer from @Noumenon
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Kill a postgresql session/connection
... superuser to use this function. This works on all operating systems the same.
SELECT
pg_terminate_backend(pid)
FROM
pg_stat_activity
WHERE
-- don't kill my own connection!
pid <> pg_backend_pid()
-- don't kill the connections to other databases
AND datname = 'da...
