大约有 5,100 项符合查询结果（耗时：0.0259秒） [XML]
What are invalid characters in XML
.... */
Basically, the control characters and characters out of the Unicode ranges are not allowed.
This means also that calling for example the character entity  is forbidden.
1.2. In XML 1.1
Reference: see XML recommendation 1.1, §2.2 Characters, and 1.3 Rationale and list of changes f...
Indent multiple lines quickly in vi
...om line
Ex commands
These are useful when you want to indent a specific range of lines, without moving your
cursor.
:< and :> Given a range, apply indentation e.g.
:4,8> indent lines 4 to 8, inclusive
Indenting using markers
Another approach is via markers:
ma Mark top of bloc...
When should TaskCompletionSource be used?
...personally have several issues with the NetworkStream class and prefer the raw Socket. Being that I also love the async/await pattern, I made an extension class SocketExtender which creates several extension methods for Socket.
All of these methods make use of TaskCompletionSource<T> to wrap ...
How to get the caller's method name in the called method?
...file and file[0] + file[-1] != '<>': IndexError: string index out of range Can u please provide suggestion. Thanx in advance.
– Pooja
Aug 13 '14 at 11:07
...
How to implement __iter__(self) for a container object (Python)
... next(rev) # note no need to call iter()
'm'
>>> nums = Reverse(range(1,10))
>>> next(nums)
9
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In Perl, how can I read an entire file into a string?
...spew.
Path::Tiny gives even more convenience methods such as slurp, slurp_raw, slurp_utf8 as well as their spew counterparts.
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What is the lifecycle of an AngularJS Controller?
... template is loaded... the docs say the opposite, but they are refering to raw template: "HTML STRING" when it's a template file it gets loaded async like.
– user3338098
Apr 9 '15 at 15:12
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Apply pandas function to column to create multiple new columns?
...I usually do this using zip:
>>> df = pd.DataFrame([[i] for i in range(10)], columns=['num'])
>>> df
num
0 0
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
>>> def powers(x):
>>> return x, x**2, x**3, x**4, x**5, x**6
>>> df[...
Why does “return list.sort()” return None, not the list?
... sorted list.
It's more convenient.
l1 = []
n = int(input())
for i in range(n):
user = int(input())
l1.append(user)
sorted(l1,reverse=True)
list.sort() method modifies the list in-place and returns None.
if you still want to use sort you can do this.
l1 = []
n = int(input())
for i...
What text editor is available in Heroku bash shell? [closed]
... dyno, just run
mkdir /app/nano
curl https://github.com/Ehryk/heroku-nano/raw/master/heroku-nano-2.5.1/nano.tar.gz --location --silent | tar xz -C /app/nano
export PATH=$PATH:/app/nano
This will download a copy of nano from this plugin and put it in your PATH.
...