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How to overlay one div over another div
...ght: 100%;
position: absolute;
top: 0;
left: 0;
}
#infoi {
z-index: 10;
}
<div id="container">
<div id="navi">a</div>
<div id="infoi">
<img src="https://appharbor.com/assets/images/stackoverflow-logo.png" height="20" width="32" />b
</div...
Nullable type as a generic parameter possible?
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public static T GetValueOrDefault<T>(this IDataRecord rdr, int index)
{
object val = rdr[index];
if (!(val is DBNull))
return (T)val;
return default(T);
}
Just use it like this:
decimal? Quantity = rdr.GetValueOrDefault<decimal?>(1);
string Unit = rdr.GetVa...
Pandas dataframe get first row of each group
...h
If you need id as column:
>>> df.groupby('id').first().reset_index()
id value
0 1 first
1 2 first
2 3 first
3 4 second
4 5 first
5 6 first
6 7 fourth
To get n first records, you can use head():
>>> df.groupby('id').head(2).reset_index(drop=Tru...
Which Eclipse version should I use for an Android app?
...or if starting today, skip Eclipse entirely: developer.android.com/studio/index.html
– ToolmakerSteve
Sep 19 '16 at 9:10
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Postgresql query between date ranges
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This structure also has the advantage of being able to maintain use of indexes.
Many people may suggest a form such as the following, but they do not use indexes:
WHERE
DATEPART('year', login_date) = 2014
AND DATEPART('month', login_date) = 2
This involves calculating the conditio...
Including an anchor tag in an ASP.NET MVC Html.ActionLink
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I just did it like this:
<a href="@Url.Action("Index","Home")#features">Features</a>
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Index (zero based) must be greater than or equal to zero
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String.Format must start with zero index "{0}" like this:
Aboutme.Text = String.Format("{0}", reader.GetString(0));
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Why can I add named properties to an array as if it were an object?
...n it. This should be considered harmful though. Arrays are for numerically indexed data - for non-numeric keys, use an Object.
Here's a more concrete example why non-numeric keys don't "fit" an Array:
var myArray = Array();
myArray['A'] = "Athens";
myArray['B'] = "Berlin";
alert(myArray.length);
...
How can I simulate an anchor click via jquery?
...n" type="button" value="Click me">
<a id="thickboxId" href="myScript.php" class="thickbox" title="">Link</a>
Edit:
If you're trying to simulate a user physically clicking the link, then I don't believe that is possible. A workaround would be to update the button's click event to chan...
Rename column SQL Server 2008
...From the documentation:
sp_rename automatically renames the associated index whenever a PRIMARY KEY or UNIQUE constraint is renamed. If a renamed index is tied to a PRIMARY KEY constraint, the PRIMARY KEY constraint is also automatically renamed by sp_rename. sp_rename can be used to rename prim...