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validation custom message for rails 3
...</ul>
Replace it by:
<ul>
<% @article.errors.each_with_index do |msg, i| %>
<li><%= msg[1] %></li>
<% end %>
</ul>
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How do I build a graphical user interface in C++? [closed]
All of my C++ programs so far have been using the command line interface and the only other language I have experience with is PHP which doesn't support GUIs.
...
Bootstrap 3 Slide in Menu / Navbar on Mobile [closed]
... position: absolute;
width: 80%;
top: -1px;
z-index: 1000;
}
#slide-nav #slidemenu {
background: #f7f7f7;
left: -100%;
width: 80%;
min-width: 0;
position: absolute;
padding-left: 0;
z-index: 2;
top: ...
When to use IList and when to use List
...IList implements IEnumerable.
You should use IList when you need access by index to your collection, add and delete elements, etc...
List
List implements IList.
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CSS Div stretch 100% page height
...h when using a div as a container for a dynamic background.
Remove the z-index for non-background uses.
Remove left or right for a full height column.
Remove top or bottom for a full width row.
EDIT 1: CSS below has been edited because it did not show correctly in FF and Chrome. moved position:r...
LINQPad [extension] methods [closed]
... it:
var pb = new Util.ProgressBar("Analyzing data");
pb.Dump();
for (int index = 0; index <= 100; index++)
{
pb.Percent = index;
Thread.Sleep(100);
}
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How can I get zoom functionality for images?
...{
return event.getX();
}
public float getX(int pointerIndex) {
verifyPointerIndex(pointerIndex);
return getX();
}
public float getY() {
return event.getY();
}
public float getY(int pointerIndex) {
verifyPointerInd...
Is there a C++ gdb GUI for Linux? [closed]
...e tool becomes a nice experience.
The CDT tooling provides a decent C/C++ indexer that allows you to quickly find references to methods in your code base. It also provides a nice macro expansion tool and limited refactoring support.
With regards to support for debugging, CDT is able to do everyth...
How do you loop through each line in a text file using a windows batch file?
...
It's worth pointing out that the index parameter in your loop must be a single character. So for example %%i is fine but %%index will fail.
– Vincent
Mar 6 at 20:12
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What are the complexity guarantees of the standard containers?
... O(1) (amortized)
v.insert(iterator, value) Insert value at the position indexed by iterator. O(n)
v.pop_back() Remove value from end. O(1)
v.assign(begin, end) Clear the container and copy in the elements from begin to e...