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How can I disable editing cells in a WPF Datagrid?
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The DataGrid has an XAML property IsReadOnly that you can set to true:
<my:DataGrid
IsReadOnly="True"
/>
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Asp.net - Add blank item at top of dropdownlist
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Alternately, you can instantiate a ListItem, set its Selected property to true, and then insert it into drpList as above.
– skia.heliou
Jun 15 '15 at 16:22
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How to select date from datetime column?
... make it impossible to use an index for the query.
Use BETWEEN or >, <, = operators which allow to use an index:
SELECT * FROM data
WHERE datetime BETWEEN '2009-10-20 00:00:00' AND '2009-10-20 23:59:59'
Update: the impact on using LIKE instead of operators in an indexed column is high....
What does !! mean in ruby?
...code that does exactly that, using the classy_enum gem:
class LinkStatus < ClassyEnum::Base
def !
return true
end
end
class LinkStatus::No < LinkStatus
end
class LinkStatus::Claimed < LinkStatus
def !
return false
end
end
class LinkStatus::Confirmed < LinkStatus
def...
python setup.py uninstall
... you want to uninstall you can use xargs to do the removal:
xargs rm -rf < files.txt
Or if you're running Windows, use Powershell:
Get-Content files.txt | ForEach-Object {Remove-Item $_ -Recurse -Force}
Then delete also the containing directory, e.g. /Library/Frameworks/Python.framework/V...
What is the bower (and npm) version syntax?
...gular": "~1.2"
or:
"angular": "~1.2.0"
This also gets you the same results as using the .x syntax:
"angular": "1.2.x"
But, you can use the tilde/~ syntax to be even more specific: if you're only willing to accept patch-level changes starting with 1.2.4, but still less than 1.3.0, you'd use:
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Why should I use 'li' instead of 'div'?
...s do want to add a bunch of code to zero out formatting. They "reset" default styles of all the browsers to a known, "styleless", base.
– joshperry
Aug 17 '15 at 16:11
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How to get distinct values from an array of objects in JavaScript?
..., try this:
var flags = [], output = [], l = array.length, i;
for( i=0; i<l; i++) {
if( flags[array[i].age]) continue;
flags[array[i].age] = true;
output.push(array[i].age);
}
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How can I check if a single character appears in a string?
... final int index = c >> 6;
final int value = c - (index << 6);
l[index] |= 1L << value;
}
}
public boolean contains(final char c) {
final int index = c >> 6; // c / 64
final int value = c - (index << 6); // c - (index * 64)
return (l...
LINQ Contains Case Insensitive
...ere, here's another "elegant" solution using IndexOf().
public IQueryable<FACILITY_ITEM> GetFacilityItemRootByDescription(string description)
{
return this.ObjectContext.FACILITY_ITEM
.Where(fi => fi.DESCRIPTION
.IndexOf(description, StringComparison.Ordi...