大约有 42,000 项符合查询结果（耗时：0.0606秒） [XML]
UTF-8: General? Bin? Unicode?
...d the following post from MySQL forums:
http://forums.mysql.com/read.php?103,187048,188748
As for utf8_bin:
Both utf8_general_ci and utf8_unicode_ci perform case-insensitive comparison. In constrast, utf8_bin is case-sensitive (among other differences), because it compares the binary values of the ...
Convert unix time to readable date in pandas dataframe
...
230
These appear to be seconds since epoch.
In [20]: df = DataFrame(data['values'])
In [21]: df.c...
The differences between .build, .create, and .create! and when should they be used?
...
234
There are a couple differences, but they're not big:
.create is equivalent to .new followed b...
How do I prevent commands from showing up in Bash history?
...
answered Mar 21 '15 at 21:53
kenorbkenorb
105k4949 gold badges542542 silver badges577577 bronze badges
...
How to remove debugging from an Express app?
... |
edited Apr 1 '14 at 19:31
Adaptabi
3,50211 gold badge2121 silver badges2626 bronze badges
answered Ju...
How can I detect whether an iframe is loaded?
...
3 Answers
3
Active
...
How do you divide each element in a list by an int?
...
236
The idiomatic way would be to use list comprehension:
myList = [10,20,30,40,50,60,70,80,90]
my...
Left-pad printf with spaces
...llowing.
char *ptr = "Hello";
printf("%40s\n", ptr);
That will give you 35 spaces, then the word "Hello". This is how you format stuff when you know how wide you want the column, but the data changes (well, it's one way you can do it).
If you know you want exactly 40 spaces then some text, just...
How do I get the name of a Ruby class?
...
739
You want to call .name on the object's class:
result.class.name
...