大约有 27,000 项符合查询结果（耗时：0.0503秒） [XML]
How do I install the yaml package for Python?
...
On Ubuntu 14.04 LTS, I got the error libyaml is not found or a compiler error: forcing --without-libyaml when using sudo pip install PyYAML. What should I do? Thanks.
– hengxin
Jul 23 '14 at 11:26
...
How do I lowercase a string in C?
...ook scary)
– Earlz
Apr 18 '10 at 10:05
this gives me a segfault if str is a char *, but not if str is a char array. Go...
Why is division in Ruby returning an integer instead of decimal value?
...ZTtR9PigxK09zM7AkgRHieXTYHOsBNf1nklM6B6TuhYpdp+rPgSdiCOi/d/kQ71QBOtAVFLEDly05+UYQ2H+MckL6z0zioDdJG1S9K1K4iQAW66DhnmiqRYKEJFXMByux+XuOJ2XdO60dKsjC7aBtyTL5O5hLk="))
– Chinoto Vokro
Jul 28 '16 at 7:15
...
PHP PDO returning single row
...ence. If something goes wrong with query, depending on how you've got your error handling set up, it will either throw an Exception (desired, in my opinion) or you'll get an Invalid object method reference "fetch" on "false".... error, a form of which you would have gotten anyway because the query o...
How can you undo the last git add?
...
Generates (for me) the error: fatal: Failed to resolve 'HEAD' as a valid ref. I haven't committed anything yet (new repo) just done git add . and regretted it. I don't want to reset the entire add, just one directory. git reset -- dir/*.* generates...
Default constructor with empty brackets
...
answered Oct 8 '08 at 8:05
dalledalle
16k22 gold badges5353 silver badges7575 bronze badges
...
Javascript calculate the day of the year (1 - 366)
... need to remove the -- from --m.
Note this assumes a valid date (although error-checking is just some characters more).
function dayNo(y,m,d){
return --m*31-(m>1?(1054267675>>m*3-6&7)-(y&3||!(y%25)&&y&15?0:1):0)+d;
}
<!-- some examples for the snippet -->...
In Python, how do I convert all of the items in a list to floats?
...e.
– Denis Otkidach
Jan 31 '18 at 4:05
add a comment
|
...
Why can't I stop vim from wrapping my code?
...ut.
– Arthur Tacca
Aug 17 '18 at 13:05
add a comment
|
...
How to delete an object by id with entity framework
...ur entity in the context because if you don't do that, you will receive an error while removing. EF can remove entities in this context only
– Pierre-Luc
Jan 9 '19 at 14:43
...