大约有 16,380 项符合查询结果（耗时：0.0251秒） [XML]
Why doesn't C# support the return of references?
...of references, but C# doesn't. Is there a special reason? Why I can't do something like:
4 Answers
...
PATH issue with pytest 'ImportError: No module named YadaYadaYada'
I used easy_install to install pytest on a mac and started writing tests for a project with a file structure likes so:
20 A...
What's the difference between EscapeUriString and EscapeDataString?
...
Use EscapeDataString always (for more info about why, see Livven's answer below)
Edit: removed dead link to how the two differ on encoding
share
|
improve ...
What is the difference between single and double quotes in SQL?
...g in SQL. Double quotes generally aren't used in SQL, but that can vary from database to database.
Stick to using single quotes.
That's the primary use anyway. You can use single quotes for a column alias — where you want the column name you reference in your application code to be something ot...
Rails 4: List of available datatypes
...
Here are all the Rails 4 (ActiveRecord migration) datatypes:
:binary
:boolean
:date
:datetime
:decimal
:float
:integer
:bigint
:primary_key
:references
:string
:text
:time
:timestamp
Source: http://api.rubyonrails.org/classes/ActiveRecord/ConnectionAdapters/Sc...
In Windows Azure: What are web role, worker role and VM role?
The application I work on contains a web role: it's a simple web application. I needed to host the application in Windows Azure, so I created a web role. I actually want to know what these roles are for. What is their significance coding wise or storage wise?
...
Get MD5 hash of big files in Python
I have used hashlib (which replaces md5 in Python 2.6/3.0) and it worked fine if I opened a file and put its content in hashlib.md5() function.
...
How do HTML parses work if they're not using regexp?
I see questions every day asking how to parse or extract something from some HTML string and the first answer/comment is always "Don't use RegEx to parse HTML, lest you feel the wrath!" (that last part is sometimes omitted).
...
What is context in _.each(list, iterator, [context])?
I am new to underscore.js. What is the purpose of [context] in _.each() ? How should it be used?
5 Answers
...
Using getopts to process long and short command line options
I wish to have long and short forms of command line options invoked using my shell script.
32 Answers
...