大约有 40,000 项符合查询结果（耗时：0.0587秒） [XML]
How to convert C# nullable int to int
...
The other answers so far are all correct; I just wanted to add one more that's slightly cleaner:
v2 = v1 ?? default(int);
Any Nullable<T> is implicitly convertible to its T, PROVIDED that the entire expression being evaluated can never result in...
How to track down log4net problems
I use log4net all the time, but one thing I've never figured out is how to tell what's going on on the inside. For example, I've got a console appender and a database appender in my project. I made a few changes to the database and the code, and now the database appender doesn't work anymore. I'll f...
Chrome: timeouts/interval suspended in background tabs?
...ted) setTimeout is not very accurate but for most appliances not dramatically inaccurate. Now if I run the test in in Chrome and let it run in a background tab (so, switching to another tab and browse on there), returning to the test and inspecting te results (if the test finished) they are dramat...
Set active tab style with AngularJS
...
i actually haven't been able to get this working. would you be able to provide a plnkr?
– PPPaul
Mar 7 '13 at 22:44
...
Can't connect to MySQL server error 111 [closed]
I installed mysql server on linux box IP = 192.168.1.100 but when i try to connect to this IP it alway error(111). but use localhost and 127.0.0.1 is OK.
...
How to clean project cache in Intellij idea like Eclipse's clean?
...
Depending on the version you are running. It is basically the same just go to
File -> Invalidate caches, then restart Intellij
or
File -> Invalidate caches / Restart
The main difference is that in older versions you had to manually restart as cache files are not removed...
Array initialization syntax when not in a declaration
... it can distinguish the two cases. The grammatical issue is not subtle at all!!
– Stephen C
Mar 22 '11 at 11:12
...
git ahead/behind info between master and branch?
...
First of all to see how many revisions you are behind locally, you should do a git fetch to make sure you have the latest info from your remote.
The default output of git status tells you how many revisions you are ahead or behind, b...
How to change the height of a ?
...
Here is the correct solution that actually has cross-browser support:
br {
line-height: 150%;
}
share
|
improve this answer
|
...
Transactions in .net
...in C# .Net 2.0. What are the classes that should be used? What are the pitfalls to look out for etc. All that commit and rollback stuff. I'm just starting a project where I might need to do some transactions while inserting data into the DB. Any responses or links for even basic stuff about transact...