大约有 40,000 项符合查询结果(耗时:0.0595秒) [XML]
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
...
An efficient compression algorithm for short text strings [closed]
I'm searching for an algorithm to compress small text strings: 50-1000 bytes (i.e. URLs). Which algorithm works best for this?
...
Capybara Ambiguity Resolution
...
Specifically, Capybara 2.0 has intelligent waiting logic to ensure specs pass or fail consistently across machines of differing processing speeds while only waiting the minimum necessary time. Using first as suggested above, unless y...
Where can I locate themes for VS2012
...
New Theme editor Specifically for 2012:
http://visualstudiogallery.msdn.microsoft.com/366ad100-0003-4c9a-81a8-337d4e7ace05
Comes w/ VS 2010 style blue and a few others...
...
When should I use jQuery's document.ready function?
...document.ready when I first started to use Javascript/jQuery but I never really learned why.
8 Answers
...
How can I find all of the distinct file extensions in a folder hierarchy?
...inux machine I would like to traverse a folder hierarchy and get a list of all of the distinct file extensions within it.
1...
What are the use cases for selecting CHAR over VARCHAR in SQL?
I realize that CHAR is recommended if all my values are fixed-width. But, so what? Why not just pick VARCHAR for all text fields just to be safe.
...
What are the pros and cons to keeping SQL in Stored Procs versus Code [closed]
... most of the database access is done by building the SQL inline in C# and calling to the SQL Server DB. So I'm trying to establish which, for this particular project, would be best.
...
Find all tables containing column with specified name - MS SQL Server
...
Not surprising it works on all those different databases given that INFORMATION_SCHEMA is part of the ANSI Standard
– Davos
May 24 '18 at 4:42
...
How to print a dictionary's key?
...no "the key". You have the keys() method, which gives you a python list of all the keys, and you have the iteritems() method, which returns key-value pairs, so
for key, value in mydic.iteritems() :
print key, value
Python 3 version:
for key, value in mydic.items() :
print (key, value)
...