大约有 40,000 项符合查询结果(耗时:0.0491秒) [XML]
Why use ICollection and not IEnumerable or List on many-many/one-many relationships?
... memory but about encapsulation. Consider: private IEnumerable<int> _integers = new List<int> { 1, 2, 3 }; uses the same memory as private List<int> _integers = new List<int> { 1, 2, 3 };
– phoog
Apr 11 '12 at 20:29
...
How to sort a Ruby Hash by number value?
...ea.com" => 745, "siteb.com" => 9, "sitec.com" => 10 }
metrics.sort_by {|_key, value| value}
# ==> [["siteb.com", 9], ["sitec.com", 10], ["sitea.com", 745]]
If you need a hash as a result, you can use to_h (in Ruby 2.0+)
metrics.sort_by {|_key, value| value}.to_h
# ==> {"siteb.c...
StringIO in Python3
...ly difference for Python 2.6/2.7 is that x is a byte string (assuming from __future__ import unicode_literals is not used), and then encode() takes the byte string x and still makes the same byte string out of it. So the result is the same.
Since this is one of SO's most popular questions regardi...
How to validate IP address in Python? [duplicate]
...
Don't parse it. Just ask.
import socket
try:
socket.inet_aton(addr)
# legal
except socket.error:
# Not legal
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jQuery UI Dialog - missing close icon
...hange path to image*/
background-image: url(themes/base/images/ui-icons_777777_256x240.png);
background-position: -96px -128px;
background-repeat: no-repeat;
}
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Append column to pandas dataframe
...lid with uniquely valued Index objects , you can use: pd.concat([dat1.reset_index(), dat2], axis=1)
– beyondfloatingpoint
Aug 27 '19 at 9:21
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Android: create a popup that has multiple selection options
... Toast.makeText(TopicDetails.this, "you nailed it", Toast.LENGTH_SHORT).show();
} else if ("Medium".equals(fonts[which])) {
Toast.makeText(TopicDetails.this, "you cracked it", Toast.LENGTH_SHORT).show();
} else if ("Large".equals(fonts[which])) {
...
Are there any JavaScript static analysis tools? [closed]
...ncreasing the warning level by invoking Closure with an option of --warning_level VERBOSE
PHP CodeSniffer can parse JavaScript as well as PHP and CSS. CodeSniffer ships with several different coding standards, (say phpcs -i to see them) which include many useful sniffs for JavaScript code includin...
Animate scrollTop not working in firefox
...either Firefox or Explorer scrolling with
$('body').animate({scrollTop:pos_},1500,function(){do X});
So I used like David said
$('body, html').animate({scrollTop:pos_},1500,function(){do X});
Great it worked, but new problem, since there are two elements, body and html, function is executed tw...
Eclipse, regular expression search and replace
...\(.*\):)
replace = $1$2
...replaces ...
from checks import checklist(_list):
...with...
from checks import checklist
Blocks in regex are delineated by parenthesis (which are not preceded by a "\")
(^.*import ) finds "from checks import " and loads it to $1 (eclipse starts counting at 1)...
