大约有 40,000 项符合查询结果（耗时：0.0494秒） [XML]
Error handling principles for Node.js + Express.js applications?
... error reporting/handling is done differently in Node.js+ Express.js applications compared to other frameworks. Am I correct in understanding that it works as follows?
...
Overflow to left instead of right
I have a div with overflow:hidden , inside which I show a phone number as the user types it. The text inside the div is aligned to right and incoming characters are added to right as the text grows to left.
...
How do I (or can I) SELECT DISTINCT on multiple columns?
I need to retrieve all rows from a table where 2 columns combined are all different. So I want all the sales that do not have any other sales that happened on the same day for the same price. The sales that are unique based on day and price will get updated to an active status.
...
Is it intended by the C++ standards committee that in C++11 unordered_map destroys what it inserts?
I've just lost three days of my life tracking down a very strange bug where unordered_map::insert() destroys the variable you insert. This highly non-obvious behaviour occurs in very recent compilers only: I found that clang 3.2-3.4 and GCC 4.8 are the only compilers to demonstrate this "feature"....
The written versions of the logical operators
This is the only place I've ever seen and , or and not listed as actual operators in C++. When I wrote up a test program in NetBeans, I got the red underlining as if there was a syntax error and figured the website was wrong, but it is NetBeans which is wrong because it compiled and ran as exp...
What makes a SQL statement sargable?
...y definition (at least from what I've seen) sargable means that a query is capable of having the query engine optimize the execution plan that the query uses. I've tried looking up the answers, but there doesn't seem to be a lot on the subject matter. So the question is, what does or doesn't make ...
GitHub: Reopening a merged pull request
I've now fixed the bug and want to resubmit the pull request with 1 extra commit. Is there any way to reopen the pull request or update it, or do I have to create a new pull request, type out the description etc again? Gitorious has this feature and we've recently moved to GitHub.
...
Is is possible to check if an object is already attached to a data context in Entity Framework?
I am getting the following error when trying to attach an object that is already attached to a given context via context.AttachTo(...) :
...
Why does the CheckBoxFor render an additional input tag, and how can I get the value using the FormC
In my ASP.NET MVC app, I am rendering a checkbox using the following code:
5 Answers
5...
Git: which is the default configured remote for branch?
I have a remote bare repository hub . I work only in the master branch.
The last sentence of this error message below makes me wonder: How do I find out which is the "default configured remote for your current branch" ? And how do I set it?
...