大约有 37,000 项符合查询结果(耗时:0.0577秒) [XML]
sqlalchemy flush() and get inserted id?
... |
edited Sep 1 '19 at 0:32
MarredCheese
7,36355 gold badges4949 silver badges5757 bronze badges
answ...
How can I initialize an ArrayList with all zeroes in Java?
... the initial number of elements in the list).
To initialize an list with 60 zeros you do:
List<Integer> list = new ArrayList<Integer>(Collections.nCopies(60, 0));
If you want to create a list with 60 different objects, you could use the Stream API with a Supplier as follows:
List&...
Counting the number of True Booleans in a Python List
...rams
667k127127 gold badges11911191 silver badges12501250 bronze badges
23
...
How do I decode a string with escaped unicode?
...ouble searching for it. How can I decode a string with unicode from http\u00253A\u00252F\u00252Fexample.com to http://example.com with JavaScript? I tried unescape , decodeURI , and decodeURIComponent so I guess the only thing left is string replace.
...
Instance attribute attribute_name defined outside __init__
...
170
The idea behind this message is for the sake of readability. We expect to find all the attribute...
Get all git commits since last tag
...ndows you could do
for /f "delims=" %a in ('git describe --tags --abbrev^=0') do @set latesttag=%a
git log %latesttag%..HEAD --oneline
and on linux / git bash / windows bash
git log $(git describe --tags --abbrev=0)..HEAD --oneline
Also, if you have a case where you know a tag in history and w...
How to navigate through a vector using iterators? (C++)
...tor to a vector of strings
int n = 3; // nth element to be found.
int i = 0; // counter.
// now start at from the beginning
// and keep iterating over the element till you find
// nth element...or reach the end of vector.
for(it = myvector.begin(); it != myvector.end(); it++,i++ ) {
// fou...
Code Golf: Collatz Conjecture
Inspired by http://xkcd.com/710/ here is a code golf for it.
70 Answers
70
...
Create boolean column in MySQL with false as default value?
...
205
You have to specify 0 (meaning false) or 1 (meaning true) as the default. Here is an example:
...
Sorting a set of values [closed]
...turns a list of the elements of s in sorted order:
>>> s = set(['0.000000000', '0.009518000', '10.277200999', '0.030810999', '0.018384000', '4.918560000'])
>>> sorted(s)
['0.000000000', '0.009518000', '0.018384000', '0.030810999', '10.277200999', '4.918560000']
Note that sorte...
