大约有 47,000 项符合查询结果(耗时:0.0527秒) [XML]
How to create byte array from HttpPostedFile
...
295
Use a BinaryReader object to return a byte array from the stream like:
byte[] fileData = null...
MySQL, update multiple tables with one query
..., we increase the number of books in a particular order with Order.ID = 1002 in Orders table then we also need to reduce that the total number of books available in our stock by the same number in Books table.
UPDATE Books, Orders
SET Orders.Quantity = Orders.Quantity + 2,
Books.InStock = Books....
How to get last items of a list in Python?
... Here's an example using the python CLI interpreter:
>>> a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
>>> a
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
>>> a[-9:]
[4, 5, 6, 7, 8, 9, 10, 11, 12]
the important line is a[-9:]
...
How to migrate back from initial migration in Django 1.7?
...
2 Answers
2
Active
...
How do I set $PATH such that `ssh user@host command` works?
...
182
As grawity said, ~/.bashrc is what you want, since it is sourced by non-interactive non-login sh...
adding header to python requests module
...
2 Answers
2
Active
...
What is the format specifier for unsigned short int?
...the "%h" modifier:
scanf("%hu", &length);
^
ISO/IEC 9899:201x - 7.21.6.1-7
Specifies that a following d , i , o , u , x , X , or n conversion
specifier applies to an argument with type pointer to short or
unsigned short.
...
'float' vs. 'double' precision
...ary representation, not a decimal one.
Single precision (float) gives you 23 bits of significand, 8 bits of exponent, and 1 sign bit.
Double precision (double) gives you 52 bits of significand, 11 bits of exponent, and 1 sign bit.
...
Specifying Maven's local repository location as a CLI parameter
...
260
use maven property maven.repo.local:
mvn -Dmaven.repo.local=$HOME/.my/other/repository clean ...
