大约有 46,000 项符合查询结果(耗时:0.0707秒) [XML]
How to get last N records with activerecord?
...uld get you what you want ('Something' is the model name):
Something.find(:all, :order => "id desc", :limit => 5).reverse
edit: As noted in the comments, another way:
result = Something.find(:all, :order => "id desc", :limit => 5)
while !result.empty?
puts result.pop
end
...
How to delete a folder and all contents using a bat file in windows?
I want to delete a folder with all files and subfolders using a bat file.
3 Answers
3...
How to remove all white spaces in java [duplicate]
...of it requires me to make code that reads a line from the user and removes all the white space within that line.
the line can consist of one word or more.
...
Removing All Child Views from View
How would I remove all child views from a widget? For example, I have a GridView and I dynamically inflate many other LinearLayouts into it; later in my application I am looking to start fresh with that GridView and clear all of its child Views. How would I do this? TIA.
...
How to get a list of all valid IP addresses in a local network? [closed]
Is there a way to get a list of all valid IP addresses in a local network?
3 Answers
3...
Git: list only “untracked” files (also, custom commands)
...he alias line, or where is that documented?
– We Are All Monica
Sep 27 '10 at 6:31
@takeshin How to get only parent di...
Find and replace strings in vim on multiple lines
...
@TayyarR The range covers the lines (vertically, so to speak), while the 'g' flag determines whether only one or all matches within the line (so horizontally) are replaced.
– Ingo Karkat
Feb 15 at 20:58
...
Extracting an attribute value with beautifulsoup
...
.find_all() returns list of all found elements, so:
input_tag = soup.find_all(attrs={"name" : "stainfo"})
input_tag is a list (probably containing only one element). Depending on what you want exactly you either should do:
out...
What is the reason not to use select *?
I've seen a number of people claim that you should specifically name each column you want in your select query.
20 Answers
...
GRANT EXECUTE to all stored procedures
...llowing command effectively give the user, "MyUser," permission to execute ALL stored procedures in the database?
4 Answers...
