大约有 1,300 项符合查询结果（耗时：0.0239秒） [XML]
problem with and :after with CSS in WebKit
...3000000%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3...
How to count the number of true elements in a NumPy bool array
...
@norio Regarding numpy.count_nonzero not being in NumPy v1.5.1: you are right. According to this release announcement, it was added in NumPy v1.6.0.
– David Alber
Dec 3 '11 at 4:41
...
gitignore does not ignore folder
...
Same here: VS Code v1.30.2 (user)
– xinthose
Jan 9 '19 at 20:01
...
What do @, - and + do as prefixes to recipe lines in Make?
...ot normally executed. See also the POSIX specification for make and also §9.3 of the GNU Make manual.
The + notation is a (POSIX-standardized) generalization of the de facto (non-standardized) mechanism whereby a command line containing ${MAKE} or $(MAKE) is executed under make -n.
(@ is discus...
Generating v5 UUID. What is name and namespace?
...n other namespaces to a UUID?
One obvious solution is to generate a UUID (V1 or V4) for every item to replace the old names in their disjoint namespaces. The downside is that they're a lot bigger, you have to communicate all the new names to everyone who has a copy of your dataset, update all your...
What's the meaning of Base SDK, iOS deployment target, Target, and Project in xcode
... answered Sep 2 '13 at 8:26
V1ru8V1ru8
5,85933 gold badges2424 silver badges4242 bronze badges
...
Turning live() into on() in jQuery
... For the search engine: The jQuery ".live()" method is depreciated since v1.7 and removed in v1.9. Fix your scripts by using the ".on()" method instead. Surprisingly this also affects the current Microsoft jquery.unobtrusive-ajax.js v2.0.20710.0 (Microsoft didn't update their scripts either so now...
Select multiple columns in data.table by their numeric indices
...with = FALSE), see this previous version of this answer. See also NEWS on v1.9.8, POTENTIALLY BREAKING CHANGES, point 3.
share
|
improve this answer
|
follow
...
The difference between bracket [ ] and double bracket [[ ]] for accessing the elements of a list or
...in the list
alist <- list(c("a", "b", "c"), c(1,2,3,4), c(8e6, 5.2e9, -9.3e7))
str(alist[[1]])
chr [1:3] "a" "b" "c"
str(alist[1])
List of 1
$ : chr [1:3] "a" "b" "c"
str(alist[[1]][1])
chr "a"
share
|
...
Insert text with single quotes in PostgreSQL
... the work done inside Pg:
to_json(value)
https://www.postgresql.org/docs/9.3/static/functions-json.html#FUNCTIONS-JSON-TABLE
share
|
improve this answer
|
follow
...