Nested List Html
Toni Jarels
The key to nesting lists is to remember that the nested list should relate to one specific list item. To reflect that in the code, the nested list is contained inside that list item. The code for the list above looks something like this:
Theoretically you can nest as many lists as you like, although in practice it can become confusing to nest lists too deeply. For very large lists, you may be better off splitting the content up into several lists with headings instead, or even splitting it up into separate pages.
Have you thought about using the TAG "dt" instead of "ul" for nesting lists? It's inherit style and structure allow you to have a title per section and it automatically tabulates the content that goes inside.
Remove the item at the given position in the list, and return it. If no indexis specified, a.pop() removes and returns the last item in the list.It raises an IndexError if the list is empty or the index isoutside the list range.
The optional arguments start and end are interpreted as in the slicenotation and are used to limit the search to a particular subsequence ofthe list. The returned index is computed relative to the beginning of the fullsequence rather than the start argument.
List comprehensions provide a concise way to create lists.Common applications are to make new lists where each element is the result ofsome operations applied to each member of another sequence or iterable, or tocreate a subsequence of those elements that satisfy a certain condition.
A list comprehension consists of brackets containing an expression followedby a for clause, then zero or more for or ifclauses. The result will be a new list resulting from evaluating the expressionin the context of the for and if clauses which follow it.For example, this listcomp combines the elements of two lists if they are notequal:
There is a way to remove an item from a list given its index instead of itsvalue: the del statement. This differs from the pop() methodwhich returns a value. The del statement can also be used to removeslices from a list or clear the entire list (which we did earlier by assignmentof an empty list to the slice). For example:
As you see, on output tuples are always enclosed in parentheses, so that nestedtuples are interpreted correctly; they may be input with or without surroundingparentheses, although often parentheses are necessary anyway (if the tuple ispart of a larger expression). It is not possible to assign to the individualitems of a tuple, however it is possible to create tuples which contain mutableobjects, such as lists.
Though tuples may seem similar to lists, they are often used in differentsituations and for different purposes.Tuples are immutable, and usually contain a heterogeneous sequence ofelements that are accessed via unpacking (see later in this section) or indexing(or even by attribute in the case of namedtuples).Lists are mutable, and their elements are usually homogeneous and areaccessed by iterating over the list.
A special problem is the construction of tuples containing 0 or 1 items: thesyntax has some extra quirks to accommodate these. Empty tuples are constructedby an empty pair of parentheses; a tuple with one item is constructed byfollowing a value with a comma (it is not sufficient to enclose a single valuein parentheses). Ugly, but effective. For example:
This is called, appropriately enough, sequence unpacking and works for anysequence on the right-hand side. Sequence unpacking requires that there are asmany variables on the left side of the equals sign as there are elements in thesequence. Note that multiple assignment is really just a combination of tuplepacking and sequence unpacking.
Python also includes a data type for sets. A set is an unordered collectionwith no duplicate elements. Basic uses include membership testing andeliminating duplicate entries. Set objects also support mathematical operationslike union, intersection, difference, and symmetric difference.
Curly braces or the set() function can be used to create sets. Note: tocreate an empty set you have to use set(), not ; the latter creates anempty dictionary, a data structure that we discuss in the next section.
It is best to think of a dictionary as a set of key: value pairs,with the requirement that the keys are unique (within one dictionary). A pair ofbraces creates an empty dictionary: . Placing a comma-separated list ofkey:value pairs within the braces adds initial key:value pairs to thedictionary; this is also the way dictionaries are written on output.
The main operations on a dictionary are storing a value with some key andextracting the value given the key. It is also possible to delete a key:valuepair with del. If you store using a key that is already in use, the oldvalue associated with that key is forgotten. It is an error to extract a valueusing a non-existent key.
Performing list(d) on a dictionary returns a list of all the keysused in the dictionary, in insertion order (if you want it sorted, just usesorted(d) instead). To check whether a single key is in thedictionary, use the in keyword.
The comparison operators in and not in are membership tests thatdetermine whether a value is in (or not in) a container. The operators isand is not compare whether two objects are really the same object. Allcomparison operators have the same priority, which is lower than that of allnumerical operators.
Comparisons may be combined using the Boolean operators and and or, andthe outcome of a comparison (or of any other Boolean expression) may be negatedwith not. These have lower priorities than comparison operators; betweenthem, not has the highest priority and or the lowest, so that A andnot B or C is equivalent to (A and (not B)) or C. As always, parenthesescan be used to express the desired composition.
The Boolean operators and and or are so-called short-circuitoperators: their arguments are evaluated from left to right, and evaluationstops as soon as the outcome is determined. For example, if A and C aretrue but B is false, A and B and C does not evaluate the expressionC. When used as a general value and not as a Boolean, the return value of ashort-circuit operator is the last evaluated argument.
Note that in Python, unlike C, assignment inside expressions must be doneexplicitly with thewalrus operator :=.This avoids a common class of problems encountered in C programs: typing =in an expression when == was intended.
Sequence objects typically may be compared to other objects with the same sequencetype. The comparison uses lexicographical ordering: first the first twoitems are compared, and if they differ this determines the outcome of thecomparison; if they are equal, the next two items are compared, and so on, untileither sequence is exhausted. If two items to be compared are themselvessequences of the same type, the lexicographical comparison is carried outrecursively. If all items of two sequences compare equal, the sequences areconsidered equal. If one sequence is an initial sub-sequence of the other, theshorter sequence is the smaller (lesser) one. Lexicographical ordering forstrings uses the Unicode code point number to order individual characters.Some examples of comparisons between sequences of the same type:
Note that comparing objects of different types with is legalprovided that the objects have appropriate comparison methods. For example,mixed numeric types are compared according to their numeric value, so 0 equals0.0, etc. Otherwise, rather than providing an arbitrary ordering, theinterpreter will raise a TypeError exception.
I suspect the bug is the reason why this issue to do with block IDs and nested lists exists. Adding a newline seems to fix it according to the GitHub issue for my plugin, so there might be a way for me to hard-code this special case. But this feels like something that should be up to Obsidian to fix.
I just wanted to add that this bug effectively breaks block referencing nested lists as well when the block reference is put on the next line. The nested list as well as the embedded nested list will both be displayed as flattened.
Sorry, you probably misunderstood me. What I meant was that the flattening of the nested list is not only caused by text or comments on the line after the nested list, but also by block references on the line after. An example would be:
I have prepared a question that includes a bullet list with four levels. The "Help" on lists says to make nested lists by indenting each subsequent level after the first by an additional four spaces. So I made a list like this:
Hmm, that is copy-pasted directly from the text of my question. It's working here, but on Stack Overflow, I get the error message, "Your post appears to contain code that is not properly formatted as code. Please indent all code by 4 spaces using the code toolbar button ..." and it won't let me post the question.
The help text is wrong. It may or may not have been correct as of the time which it was written, but it's definitely wrong now. At this point, Stack Exchange uses CommonMark, which definitely doesn't work with a single fixed number of spaces required to indicate that the line is under the prior list item.
The most important thing to notice is that the position of the text after the list marker determines how much indentation is needed in subsequent blocks in the list item. If the list marker takes up two spaces of indentation, and there are three spaces between the list marker and the next character other than a space or tab, then blocks must be indented five spaces in order to fall under the list item.
I always have trouble trying to create some nested lists in Wordpress using the default editor in visual mode, since I want to avoid the HTML extra work.Even though I write the HTML myself in the HTML editor mode, the page sometimes will not listen to my HTML and change things as it wants.
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