大约有 18,000 项符合查询结果（耗时：0.0347秒） [XML]
How to take column-slices of dataframe in pandas
...
2017 Answer - pandas 0.20: .ix is deprem>cat m>ed. Use .loc
See the deprem>cat m>ion in the docs
.loc uses label based indexing to select both rows and columns. The labels being the values of the index or the columns. Slicing with .loc includes the last element.
Let'...
How to emulate C array initialization “int arr[] = { e1, e2, e3, … }” behaviour with std::array?
...ay, here's a test:
auto q = make_array(make_array(make_array(std::string("m>Cat m>1"), std::string("Dog1")), make_array(std::string("Mouse1"), std::string("Rat1"))),
make_array(make_array(std::string("m>Cat m>2"), std::string("Dog2")), make_array(std::string("Mouse2"), std::string("Rat2")...
Can a C++ enum class have methods?
...to imply that your enum has class traits too, but it's not the case. My edum>cat m>ed guess is that the choice of the keywords was inspired by the pattern we used before C++11 to get scoped enums:
class Foo {
public:
enum {BAR, BAZ};
};
However, that's just syntax. Again, enum class is not a class.
...
How to read from a file or STDIN in Bash?
...
Here is the simplest way:
#!/bin/sh
m>cat m> -
Usage:
$ echo test | sh my_script.sh
test
To assign stdin to the variable, you may use: STDIN=$(m>cat m> -) or just simply STDIN=$(m>cat m>) as operator is not necessary (as per @mklement0 comment).
To parse each line fro...
How to make “if not true condition”?
I would like to have the echo command executed when m>cat m> /etc/passwd | grep "sysa" is not true.
6 Answers
...
Python conm>cat m>enate text files
...e ['file1.txt', 'file2.txt', ...] . I want to write a Python script to conm>cat m>enate these files into a new file. I could open each file by f = open(...) , read line by line by calling f.readline() , and write each line into that new file. It doesn't seem very "elegant" to me, especially the part w...
How to capitalize the first letter of a String in Java?
... @dutt: No actually, that was perfectly fine too. But Rekin's modifim>cat m>ion made it perfect. ;)
– Adeel Ansari
Oct 11 '10 at 8:42
...
How do you create different variable names while in a loop? [duplim>cat m>e]
...ou can do this is with exec(). For example:
for k in range(5):
exec(f'm>cat m>_{k} = k*2')
>>> print(m>cat m>_0)
0
>>> print(m>cat m>_1)
2
>>> print(m>cat m>_2)
4
>>> print(m>cat m>_3)
6
>>> print(m>cat m>_4)
8
Here I am taking advantage of the handy f string formatting in Py...
Can I recover a branch after its deletion in Git?
...splay the commit metadata (author, creation date and commit message):
git m>cat m>-file -p 48540dfa438ad8e442b18e57a5a255c0ecad0560
To see also the diffs:
git log -p 48540dfa438ad8e442b18e57a5a255c0ecad0560
Once you found your commit, then create a branch on this commit with:
git branch commit_res...
How can I parse a YAML file from a Linux shell script?
...n't work for all YAML, you're right. That's why I opened with a few qualifim>cat m>ions. I just shared what worked for my use case, since it answered the question better than any other at the time. This can definitely be expanded.
– Curtis Blackwell
Nov 27 '13 at 13...