大约有 44,000 项符合查询结果(耗时:0.1339秒) [XML]
Get img thumbnails from Vimeo?
I want to get a thumbnail image for videos from Vimeo.
23 Answers
23
...
scopes with lambda and arguments in Rails 4 style?
...
I think it should be:
scope :find_lazy, -> (id) { where(id: id) }
share
|
improve this answer
|
follow
|
...
What XML parser should I use in C++? [closed]
...ce (if that really bothers you, go use Xerces), though the interface is at least somewhat object-based and easily wrapped. It provides a lot of features, like XInclude support (with callbacks so that you can tell it where it gets the file from), an XPath 1.0 recognizer, RelaxNG and Schematron suppor...
How to measure time in milliseconds using ANSI C?
...s, the resulting value from clock() / CLOCKS_PER_SEC will be in seconds(at least it should be). Dividing by 1000 turns that into milliseconds.
– David Young
Jul 18 '12 at 0:08
14
...
Rails :include vs. :joins
...ails. Here is an explaination of what I understood (with examples :))
Consider this scenario:
A User has_many comments and a comment belongs_to a User.
The User model has the following attributes: Name(string), Age(integer). The Comment model has the following attributes:Content, user_id. For a ...
Rails Model find where not equal
...
In Rails 4.x (See http://edgeguides.rubyonrails.org/active_record_querying.html#not-conditions)
GroupUser.where.not(user_id: me)
In Rails 3.x
GroupUser.where(GroupUser.arel_table[:user_id].not_eq(me))
To shorten the length, you could store GroupUser....
How do I get the “id” after INSERT into MySQL database with Python?
...
Use cursor.lastrowid to get the last row ID inserted on the cursor object, or connection.insert_id() to get the ID from the last insert on that connection.
share
...
Build tree array from flat array in javascript
...ierarchical, in order to later build a tree.
Every entry of the json has :
id : a unique id,
parentId : the id of the parent node (which is 0 if the node is a root of the tree)
level : the level of depth in the tree
...
How to count the number of set bits in a 32-bit integer?
... although technically there is a separate feature bit for popcnt.)
But at least you get something portable that works everywhere, and with gcc/clang with the right target options, you get hardware popcount for architectures that support it.
#include <bitset>
#include <limits>
#include ...
Handling a Menu Item Click Event - Android
...icked, but I'm not sure how to do this. I've been reading through the android documentation, but my implementation isn't correct..and some guidance in the right direction would help. I've listed my code below and commented out my problem areas, I think I'm invoking the wrong method.
...
