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Check a collection size with JSTL
... or newer (Servlet 3.0 / JSP 2.2 or newer). If you're facing a XML parsing error because you're using JSPX or Facelets instead of JSP, then use gt instead of >.
<c:if test="${companies.size() gt 0}">
</c:if>
If you're actually facing an EL parsing error, then you're probably using a...
Creating a JSON response using Django and Python
...go.http import HttpResponse
response_data = {}
response_data['result'] = 'error'
response_data['message'] = 'Some error message'
Pre-Django 1.7 you'd return it like this:
return HttpResponse(json.dumps(response_data), content_type="application/json")
For Django 1.7+, use JsonResponse as shown ...
document.getElementById vs jQuery $()
...defined.
One benefit on using the jQuery object is that you won't get any errors if no elements were returned, as an object is always returned. However you will get errors if you try to perform operations on the null returned by document.getElementById
...
ActionBarCompat: java.lang.IllegalStateException: You need to use a Theme.AppCompat
...ar you should still use AppCompat styles. If you don't, you will have this error on launch of Acitvity on devices with android 3.0 and higher:
java.lang.IllegalStateException: You need to use a Theme.AppCompat
theme (or descendant) with this activity.
Here is link this original article http:...
Sublime Text 2 - Link with Editor / Show file in sidebar
...
I tested the solution proposed by Albert Català, but it causes an error when a popup window appears, with the 'Quick Switch Projects' command for example.
So here is my modified version to avoid errors :
import sublime
import sublime_plugin
class LinkWithEditor(sublime_plugin.EventListen...
How to execute file I'm editing in Vi(m)
...olution does get the output to a split window. Use :copen to open up the "error list" produced by running :make.in its own window. Unfortunately, to get the output to be formatted properly, some finagling of the errorformat option is necessary. Otherwise output will be presumed to be of the forma...
How to compare two NSDates: Which is more recent?
...
Well - the compare method is as error-prone as off-by-one errors. Thus, you should use (NSDate *)laterDate:(NSDate *)anotherDate which will return the later date of both. so you just compare your expected result and you're done! No fiddling around with "Waa...
How can I select and upload multiple files with HTML and PHP, using HTTP POST?
...ze: <?= $myFile["size"][$i] ?><br>
Error: <?= $myFile["error"][$i] ?><br>
</p>
<?php
}
}
?>
</body>
</html>
Here's what it looks like in C...
Passing just a type as a parameter in C#
... at 20:22
500 - Internal Server Error500 - Internal Server Error
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How to get a ListBox ItemTemplate to stretch horizontally the full width of the ListBox?
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Error: BindingExpression path error: 'Width' property not found on Project.CustomElement, Project.WindowsPhone, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null'. BindingExpression: Path='Width' DataItem=Project.CustomEl...