大约有 15,000 项符合查询结果（耗时：0.0299秒） [XML]
Ignore .pyc files in git repository
How can I ignore .pyc files in git?
6 Answers
6
...
How do I control how Emacs makes backup files?
Emacs puts backup files named foo~ everywhere and I don't like having to remember to delete them. Also, if I edit a file that has a hard link somewhere else in the file system, the hard link points to the backup when I'm done editing, and that's confusing and awful. How can I either eliminate th...
How can I combine hashes in Perl?
... that %hash2 and %hash1 always have unique keys. I would also prefer a single line of code if possible.
4 Answers
...
GROUP BY with MAX(DATE) [duplicate]
I'm trying to list the latest destination (MAX departure time) for each train in a table, for example :
6 Answers
...
How can I create a two dimensional array in JavaScript?
I have been reading online and some places say it isn't possible, some say it is and then give an example and others refute the example, etc.
...
Compute a confidence interval from sample data
I have sample data which I would like to compute a confidence interval for, assuming a normal distribution.
4 Answers
...
ArrayList initialization equivalent to array initialization [duplicate]
I am aware that you can initialize an array during instantiation as follows:
8 Answers
...
How to detect total available/free disk space on the iPhone/iPad device?
I'm looking for a better way to detect available/free disk space on the iPhone/iPad device programmatically.
Currently I'm using the NSFileManager to detect the disk space. Following is the snippet of the code which does the job for me:
...
PostgreSQL Crosstab Query
Does any one know how to create crosstab queries in PostgreSQL?
For example I have the following table:
6 Answers
...
The type must be a reference type in order to use it as parameter 'T' in the generic type or method
I'm getting deeper into generics and now have a situation I need help with. I get a compile error on the 'Derived' class below as shown in the subject title. I see many other posts similar to this one but I'm not seeing the relationship. Can someone tell me how to resolve this?
...