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Do you need to close meta and link tags in HTML?
...r, browsers just ignore explicit end tags for them, as well as the cargo-cult / before >, if you use them. And HTML5 makes this permissiveness a rule by even formally allowing the / in HTML serialization, too.
In XHTML, XML rules apply, so every element, without exception, must have both a start...
How Do I Hide wpf datagrid row selector
...
Use the RowHeaderWidth property:
<my:DataGrid RowHeaderWidth="0" AutoGenerateColumns="False" Name="dataGrid1" />
Note that you can also specify a style or template for it also, should you decide you really do like it and want to keep it because you ca...
Set width of a “Position: fixed” div relative to parent div
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+1 for a fantastically simple solution, although width: inherit isn't the first thing I would've thought of
– Bojangles
May 4 '13 at 14:05
7
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Div height 100% and expands to fit content
..., in your HTML, add the .clearfix class to your parent Div. For example:
<div class="clearfix">
<div></div>
<div></div>
</div>
It should work always. You can call the class name as .group instead of .clearfix , as it will make the code more semantic. No...
Best way to check for “empty or null value”
...FALSE
Or the reverse approach (may be easier to read):
(stringexpression <> '') IS NOT TRUE
Works for any character type including char(n). The manual about comparison operators.
Or use your original expression without trim(), which is costly noise for char(n) (see below), or incorrect for o...
What's the effect of adding 'return false' to a click event listener?
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The return value of an event handler determines whether or not the default browser behaviour should take place as well. In the case of clicking on links, this would be following the link, but the difference is most noticeable in form submit handlers, where you can cancel a form submission if the...
Signtool error: No certificates were found that met all given criteria with a Windows Store App?
... I could choose "Select from File..." to install the missing certificate. Alternatively you can always create a new one and use that!
– JDandChips
Mar 16 '16 at 10:32
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Android image caching
...fort. You will need to install a ResponseCache using ResponseCache.setDefault. Otherwise, HttpURLConnection will silently ignore the setUseCaches(true) bit.
See the comments at the top of FileResponseCache.java for details:
http://libs-for-android.googlecode.com/svn/reference/com/google/android/fi...
What is the best way to count “find” results?
My current solution would be find <expr> -exec printf '.' \; | wc -c , but this takes far too long when there are more than 10000 results. Is there no faster/better way to do this?
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WPF - How to force a Command to re-evaluate 'CanExecute' via its CommandBindings
... -= value;
CommandManager.RequerySuggested -= value;
}
}
/// <summary>
/// This method can be used to raise the CanExecuteChanged handler.
/// This will force WPF to re-query the status of this command directly.
/// </summary>
public void RaiseCanExecuteChanged()
{
if (c...