大约有 20,000 项符合查询结果（耗时：0.0263秒） [XML]
Stop execution of Ruby script
Is there a method like exit or die in PHP which stops the execution of a Ruby script?
4 Answers
...
Any equivalent to .= for adding to beginning of string in PHP?
Just wondering if there is something like .= for adding text to the beginning of a string, e.g.:
5 Answers
...
How to convert a dictionary to query string in Python?
After using cgi.parse_qs() , how to convert the result (dictionary) back to query string? Looking for something similar to urllib.urlencode() .
...
Member initialization while using delegated constructor
I've started trying out the C++11 standard and i found this question which describes how to call your ctor from another ctor in the same class to avoid having a init method or the like. Now i'm trying the same thing with code that looks like this:
...
SQL Server IIF vs CASE
I recently came to know about the availability of IIF function in SQL Server 2012. I always use nested CASE in my queries. I want to know the exact purpose of the IIF statement and when should we prefer using IIF over CASE Statement in the query.
I mostly use nested CASE in my queries.
...
Efficient paging in SQLite with millions of records
I need to show the SQLite results in a list view. Of course, I need to page the results.
1 Answer
...
How do I create a class instance from a string name in ruby?
...lass and I want to create an instance of that class so that I can loop through each rails attribute that is present in the schema of that class.
...
Why can't I forward-declare a class in a namespace using double colons?
...
Because you can't. In C++ language fully-qualified names are only used to refer to existing (i.e. previously declared) entities. They can't be used to introduce new entities.
And you are in fact "reopening" the namespace to decl...
Hyphenated html attributes with asp.net mvc
Is there a nicer syntax when creating elements with hyphenated attributes instead of using:
2 Answers
...
Xcode 4.2 - declaration of '…' will not be visible outside of this function warning
I use Apple Reachability class from Apple Sample code
Reachability
1 Answer
1
...