大约有 2,210 项符合查询结果（耗时：0.0351秒） [XML]
Find duplicate lines in a file and count how many time each line was duplicated?
...iq -c | grep -v '^ *1 '
For the given example, the result would be:
3 123
2 234
If you want to print counts for all lines including those that appear only once:
sort FILE | uniq -c
or, with GNU long options (on Linux):
sort FILE | uniq --count
For the given input, the output is:
...
How do you remove all the options of a select box and then add one option and select it with jQuery?
.../attr/text like: .append($("<option></option>").attr("value", '123').text('ABC!')
– Brock Hensley
Jun 27 '13 at 21:58
...
Can I change the height of an image in CSS :before/:after pseudo-elements?
...nswered Jan 23 '12 at 21:39
user123444555621user123444555621
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...
Why are mutable structs “evil”?
...ay[500] of type Rectangle, it's clear and obvious how to e.g. copy element 123 to element 456 and then some time later set the width of element 123 to 555, without disturbing element 456. "RectArray[432] = RectArray[321]; ...; RectArray[123].Width = 555;". Knowing that Rectangle is a struct with a...
mysql error 1364 Field doesn't have a default values
...ERO,NO_AUTO_CREATE_USER,NO_ENGINE_UBSTITUTION'
– waza123
Oct 30 '17 at 17:55
...
href=“tel:” and mobile numbers
...code for New South Wales
6555 - STD code for a specific telephone exchange
1234 - Telephone Exchange specific extension.
For a mobile phone this becomes
0 - trunk prefix
4 - Area code for a mobile telephone
1234 5678 - Mobile telephone number
Now, when I want to dial via the int...
How to remove the first commit in git?
... answered Oct 22 '19 at 5:20
kp123kp123
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How do I do an OR filter in a Django query?
...s, but a bit simpler, without the lambda:
filter_kwargs = {
'field_a': 123,
'field_b__in': (3, 4, 5, ),
}
To filter these two conditions using OR:
Item.objects.filter(Q(field_a=123) | Q(field_b__in=(3, 4, 5, ))
To get the same result programmatically:
list_of_Q = [Q(**{key: val}) for key, ...
Remove shadow below actionbar
...o be compatible with all previous devices?
– splinter123
Mar 22 '15 at 22:05
same as @splinter123 here :( Wonder how I...
Check status of one port on remote host [closed]
...ll && echo Connected. || echo Fail.
Connected.
$ curl -s localhost:123 >/dev/null && echo Connected. || echo Fail.
Fail.
Possibly it may not won't work for all services, as curl can return different error codes in some cases (as per comment), so adding the following condition co...