大约有 44,000 项符合查询结果（耗时：0.0651秒） [XML]
Evaluate empty or null JSTL c tags
...c:choose>
Or if you don't need to conditionally render a bunch of tags and thus you could only check it inside a tag attribute, then you can use the EL conditional operator ${condition? valueIfTrue : valueIfFalse}:
<c:out value="${empty var1 ? 'var1 is empty or null' : 'var1 is NOT empty or n...
Is there a template engine for Node.js? [closed]
...e became deprecated you can find an alternative page on Visionmedia's wiki and the chapter about templates.
– Thomas Potaire
Mar 1 '14 at 1:44
...
How can I quickly sum all numbers in a file?
I have a file which contains several thousand numbers, each on it's own line:
33 Answers
...
SQL Server CTE and recursion example
...le on it. This article shows employee info with the help of Sql server CTE and recursion. It is basically showing employees and their manager info. I am not able to understand how this query works. Here is the query:
...
Does “git fetch --tags” include “git fetch”?
A nice and simple question - is the function of "git fetch" a strict sub-set of git fetch --tags ?
6 Answers
...
View the change history of a file using Git versioning
... I was also looking for the history of files that were previously renamed and found this thread first. The solution is to use "git log --follow <filename>" as Phil pointed out here.
– Florian Gutmann
Apr 26 '11 at 9:05
...
AngularJS: ng-show / ng-hide not working with `{{ }}` interpolation
I am trying to show / hide some HTML using the ng-show and ng-hide functions provided by AngularJS .
7 Answers
...
Correct use of Multimapping in Dapper
...to use the Multimapping feature of dapper to return a list of ProductItems and associated Customers.
6 Answers
...
The object cannot be deleted because it was not found in the ObjectStateManager
...ext, outside of a TransactionScope. Moved the parent call inside the scope and same context and my problem was solved.
– dan richardson
Feb 7 '13 at 10:31
1
...
vim, switching between files rapidly using vanilla Vim (no plugins)
I understand that limiting myself to vanilla Vim (not using plugins) limits the power of the editor, but as I switch between different machines frequently, it is often too much trouble to move my environment around everywhere. I want to just stay in vanilla Vim.
...