大约有 40,700 项符合查询结果(耗时:0.0486秒) [XML]
Is there any Rails function to check if a partial exists?
When I render a partial which does not exists, I get an Exception. I'd like to check if a partial exists before rendering it and in case it doesn't exist, I'll render something else. I did the following code in my .erb file, but I think there should be a better way to do this:
...
IIS_IUSRS and IUSR permissions in IIS8
I've just moved away from IIS6 on Win2003 to IIS8 on Win2012 for hosting ASP.NET applications.
6 Answers
...
C/C++ with GCC: Statically add resource files to executable/library
... or alternatively std::stringstream to make an iostream. std::stringstream is not great for this though and you can of course just use a pointer anywhere you can use an iterator.
If you're using this with automake don't forget to set BUILT_SOURCES appropriately.
The nice thing about doing it this...
What should every developer know about databases? [closed]
...ases or may have to work with one someday. And considering the amount of misuse and abuse in the wild, and the volume of database-related questions that come up every day, it's fair to say that there are certain concepts that developers should know - even if they don't design or work with databases...
.NET data structures: ArrayList, List, HashTable, Dictionary, SortedList, SortedDictionary — Speed,
...ot always sure when to use one and when to use another. Most of my C# and Visual Basic books talk about them to a certain extent, but they never really go into any real detail.
...
Is delete this allowed?
Is it allowed to delete this; if the delete-statement is the last statement that will be executed on that instance of the class? Of course I'm sure that the object represented by the this -pointer is new ly-created.
...
What's the difference between ConcurrentHashMap and Collections.synchronizedMap(Map)?
I have a Map which is to be modified by several threads concurrently.
19 Answers
19
...
Under what circumstances is an SqlConnection automatically enlisted in an ambient TransactionScope T
What does it mean for an SqlConnection to be "enlisted" in a transaction? Does it simply mean that commands I execute on the connection will participate in the transaction?
...
Algorithm to calculate the number of divisors of a given number
What would be the most optimal algorithm (performance-wise) to calculate the number of divisors of a given number?
27 Answe...
How to check if string input is a number? [duplicate]
How do I check if a user's string input is a number (e.g. -1 , 0 , 1 , etc.)?
24 Answers
...
