大约有 16,000 项符合查询结果（耗时：0.0296秒） [XML]
Git diff against a stash
How can I see the changes un-stashing will make to the current working tree? I would like to know what changes will be made before applying them!
...
Java exception not caught?
I have a small theoretical problem with try-catch constructions.
6 Answers
6
...
Adding a new value to an existing ENUM Type
...pe to have an additional possible value. I don't want to delete any existing values, just add the new value. What is the simplest way to do this?
...
Converting Long to Date in Java returns 1970
I have list with long values (for example: 1220227200, 1220832000, 1221436800...) which I downloaded from web service. I must convert it to Dates. Unfortunately this way, for example:
...
How should I escape strings in JSON?
...
Ideally, find a JSON library in your language that you can feed some appropriate data structure to, and let it worry about how to escape things. It'll keep you much saner. If for whatever reason you don't have a library in your language, you don't ...
Difference between volatile and synchronized in Java
I am wondering at the difference between declaring a variable as volatile and always accessing the variable in a synchronized(this) block in Java?
...
How can I use PHP to dynamically publish an ical file to be read by Google Calendar?
Any Google search on PHP ical just brings up phpicalendar and how to parse or read IN ical files. I just want to write a PHP file that pulls events from my database and writes them out in ical format.
...
Difference between CMAKE_CURRENT_SOURCE_DIR and CMAKE_CURRENT_LIST_DIR
...ke list file that is included by another file with the include command. E.g., if a CMakeLists.txt is present in a directory project and contains the following directive
include(src/CMakeLists.txt)
then while src/CMakeLists.txt is being processed CMAKE_CURRENT_LIST_DIR will refer to project/src whe...
CSS – why doesn’t percentage height work? [duplicate]
How come a percentage value for height doesn’t work but a percentage value for width does?
6 Answers
...
Test whether string is a valid integer
I'm trying to do something common enough: Parse user input in a shell script. If the user provided a valid integer, the script does one thing, and if not valid, it does something else. Trouble is, I haven't found an easy (and reasonably elegant) way of doing this - I don't want to have to pick it ap...