大约有 45,000 项符合查询结果（耗时：0.0554秒） [XML]
Schrödingers MySQL table: exists, yet it does not
...sue when the data file is missing in the data directory but the table definition file exists or vise-versa. If you're using innodb_file_per_table, check the data directory to make sure you have both an .frm file and .ibd file for the table in question. If it's MYISAM, there should be a .frm, .MYI an...
Extract traceback info from an exception object
Given an Exception object (of unknown origin) is there way to obtain its traceback? I have code like this:
5 Answers
...
Why not infer template parameter from constructor?
...'t the compiler infer template parameters from class constructors, much as it can do from function parameters? For example, why couldn't the following code be valid:
...
renderpartial with null model gets passed the wrong type
...
I find this very counterintuitive so I added an "issue", vote on it if you agree: aspnet.codeplex.com/workitem/8872
– pbz
Jun 28 '11 at 22:26
...
How to deploy an ASP.NET Application with zero downtime
To deploy a new version of our website we do the following:
11 Answers
11
...
Renaming a branch in GitHub
...
As mentioned, delete the old one on GitHub and re-push, though the commands used are a bit more verbose than necessary:
git push origin :name_of_the_old_branch_on_github
git push origin new_name_of_the_branch_that_is_local
Dissecting the commands a bit, the git...
Stashing only staged changes in git - is it possible?
... a way I can stash just my staged changes? The scenario I'm having issues with is when I've worked on several bugs at a given time, and have several unstaged changes. I'd like to be able to stage these files individually, create my .patch files, and stash them away until the code is approved. This w...
How to cast an Object to an int
...t i = (Integer) object;
Or, starting from Java 7, you can equivalently write:
int i = (int) object;
Beware, it can throw a ClassCastException if your object isn't an Integer and a NullPointerException if your object is null.
This way you assume that your Object is an Integer (the wrapped int) ...
What is sandboxing?
I have read the Wikipedia article , but I am not really sure what it means, and how similar it is to version control .
5...
Difference between Key, Primary Key, Unique Key and Index in MySQL
...users and you want to search for all the users which have the last name 'Smith'. Without an index, the database would have to go through all the records of the table: this is slow, because the more records you have in your database, the more work it has to do to find the result. On the other hand, a...