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请输入英文单字，中文词皆可：

Append    音标拼音: [əp'ɛnd]
vt. 附加,添加,悬挂
n. DOS命令:建立数据文件的子目录搜索路经

附加,添加,悬挂DOS命令:建立数据文件的子目录搜索路经

append
附加


append
追加

append
附加

append
v 1: add to the very end; "He appended a glossary to his novel
where he used an invented language" [synonym: {append}, {add
on}, {supplement}, {affix}]
2: fix to; attach; "append a charm to the necklace" [synonym:
{append}, {tag on}, {tack on}, {tack}, {hang on}]
3: state or say further; "`It doesn't matter,' he supplied"
[synonym: {add}, {append}, {supply}]

Append \Ap*pend"\ ([a^]p*p[e^]nd"), v. t. [imp. & p. p.
{Appended}; p. pr. & vb. n. {Appending}.] [L. appendere or F.
appendre: cf. OE. appenden, apenden, to belong, OF. apendre,
F. appendre, fr. L. append[=e]re, v. i., to hang to,
append[e^]re, v. t., to hang to; ad pend[=e]re, v. i., to
hang, pend[e^]re, v. t., to hang. See {Pendant}.]
1. To hang or attach to, as by a string, so that the thing is
suspended; as, a seal appended to a record; the
inscription was appended to the column.
[1913 Webster]

2. To add, as an accessory to the principal thing; to annex;
as, notes appended to this chapter.
[1913 Webster]

A further purpose appended to the primary one. --I.
Taylor.
[1913 Webster]


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  • Append vs Extend - Stack Overflow
    Append has constant time complexity, O(1) Extend has time complexity, O(k) Iterating through the multiple calls to append() adds to the complexity, making it equivalent to that of extend, and since extend's iteration is implemented in C, it will always be faster if you intend to append successive items from an iterable onto a list
  • In Python, what is the difference between . append() and += []?
    s append takes an arbitrary type and adds it to the list; It's a true append s extend takes an iterable (usually a list), and merges the iterable into s, modfiying the memory addresses of s These are not the same
  • . append (), prepend (), . after () and . before () - Stack Overflow
    append(): Insert content, specified by the parameter, to the end of each element in the set of matched elements after() : Insert content, specified by the parameter, after each element in the set of matched elements
  • Python append() vs. += operator on lists, why do these give different . . .
    The list append() method is a mutator on list which appends its single object argument (in your specific example the list c) to the subject list In your example this results in c appending a reference to itself (hence the infinite recursion)
  • Why INSERT *+APPEND* is used? - Stack Overflow
    An excerpt from docs: "The APPEND hint is only supported with the subquery syntax of the INSERT statement, not the VALUES clause If you specify the APPEND hint with the VALUES clause, it is ignored and conventional insert will be used To use direct-path INSERT with the VALUES clause, refer to "APPEND_VALUES Hint" " –
  • python - Pandas DataFrame concat vs append - Stack Overflow
    append is deprecated and; there is no significant difference between concat and append (see benchmark below) anyway I cannot reproduce your results: I implemented a tiny benchmark (please find the code on Gist) to evaluate the pandas' concat and append I updated the code snippet and the results after the comment by ssk08 - thanks a lot!
  • python - How to use append with pickle? - Stack Overflow
    If you simply append to the file, the total amount of time it takes to save all the items is reduced If anyone is curious, the save-speedup is indeed n^2 and the load-slowdown is tiny naive_append: 8 387 seconds naive_load: 0 024 seconds smart_append: 0 042 seconds smart_load: 0 026 seconds
  • How do I append one string to another in Python?
    How do I efficiently append one string to another? Are there any faster alternatives to: var1 = quot;foo quot; var2 = quot;bar quot; var3 = var1 + var2 For handling multiple strings in a list, se
  • python - Append column to pandas dataframe - Stack Overflow
    Both join() and concat() way could solve the problem However, there is one warning I have to mention: Reset the index before you join() or concat() if you trying to deal with some data frame by selecting some rows from another DataFrame
  • python - append dictionary to data frame - Stack Overflow
    The code provided by ZF007 is unclear and unhelpful to anybody trying to understand the concat method The following example provides an easier-to-understand method:





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