大约有 30,000 项符合查询结果(耗时:0.0470秒) [XML]
Split string, convert ToList() in one line
...ers
.Split(',')
.Where(x => int.TryParse(x, out _))
.Select(int.Parse)
.ToList();
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Initialise a list to a specific length in Python [duplicate]
...
or [{} for _ in range(10)] to avoid lint warnings
– Martin Konecny
May 3 '13 at 1:22
7
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jquery variable syntax [duplicate]
... even rename it to foo if you want, this doesn't change things. The $ (and _) are legal characters in a Javascript identifier.
Why this is done so is often just some code convention or to avoid clashes with reversed keywords. I often use it for $this as follows:
var $this = $(this);
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How to refresh an IFrame using Javascript?
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var tmp_src = iframe.src; iframe.src = ''; iframe.src = tmp_src;
– lyfing
Jan 27 '15 at 8:28
2
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How to select label for=“XYZ” in CSS?
... or some other structural way), sadly.
(I'm assuming that the template {t _your_email} will fill in a field with id="email". If not, use a class instead.)
Note that if the value of the attribute you're selecting doesn't fit the rules for a CSS identifier (for instance, if it has spaces or brackets...
How to remove not null constraint in sql server using query
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or you can do : alter table table_name modify column_name type(30) NULL. 30 being the size of your column type, example: varchar(30)
– nr5
Sep 19 '12 at 18:11
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How do I enter a multi-line comment in Perl? [duplicate]
...ng the Pod section:
=pod
my $object = NotGonnaHappen->new();
ignored_sub();
$wont_be_assigned = 37;
=cut
The quick-and-dirty method only works well when you don't plan to
leave the commented code in the source. If a Pod parser comes along,
your multiline comment is going to show up...
What does `unsigned` in MySQL mean and when to use it?
...want to work with positive, non zero numbers.
– still_dreaming_1
Nov 1 '17 at 15:56
add a com...
What are my environment variables? [closed]
...ut:
$ env
TERM=xterm
SHELL=/bin/bash
USER=joksnet
USERNAME=joksnet
DESKTOP_SESSION=gnome
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
PWD=/home/joksnet
GDM_KEYBOARD_LAYOUT=us
LANG=en_US.utf8
HOME=/home/joksnet
DISPLAY=:0.0
COLORTERM=gnome-terminal
_=/usr/bin/env
...
How to use setInterval and clearInterval?
...d to get the id first and call to clearInterval
clearInterval(timerobject._id)
I have struggled many hours with this. hope this helps.
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