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Dynamically change color to lighter or darker by percentage CSS (Javascript)
...his with CSS filters in all modern browsers (see the caniuse compatibility table).
.button {
color: #ff0000;
}
/* note: 100% is baseline so 85% is slightly darker,
20% would be significantly darker */
.button:hover {
filter: brightness(85%);
}
<button class="button">Foo ...
Get a list of distinct values in List
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What exactly is mci? Just an example table? The answer is a bit awkward as is.
– Brad Koch
Oct 9 '13 at 21:47
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submitting a GET form with query string params and hidden params disappear
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What you can do is using a simple foreach on the table containing the GET information. For example in php :
foreach ($_GET as $key => $value) {
echo("<input type='hidden' name='$key' value='$value'/>");
}
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Aligning a float:left div to center?
...blocks, the layout may not be correctly centered anymore. Flexbox is more stable than float left.
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Unique (non-repeating) random numbers in O(1)?
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Use a Maximal Linear Feedback Shift Register.
It's implementable in a few lines of C and at runtime does little more than a couple test/branches, a little addition and bit shifting. It's not random, but it fools most people.
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In C# what is the difference between ToUpper() and ToUpperInvariant()?
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The table of cases was very helpful. Thanks!
– VoteCoffee
Jun 29 '18 at 15:15
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Nullable types and the ternary operator: why is `? 10 : null` forbidden? [duplicate]
...class or interface of System.Int32. As an example GetBoolValue() ? (IFormattable)10 : null // #1B or GetBoolValue() ? 10 : (IFormattable)null // #2B will be OK. This possibility may be a reason why they don't make the nullable-wrapping automatic. Because both wrapping and boxing are normally implici...
Get query from java.sql.PreparedStatement [duplicate]
...99 resultset: 0 message: SET sql_mode='NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES'
2016-01-14 10:09:43 INFO MySQL - FETCH created: Thu Jan 14 10:09:43 CST 2016 duration: 1 connection: 19130945 statement: 999 resultset: 0
2016-01-14 10:09:43 INFO MySQL - QUERY created: Thu Jan 14 10:09:43 CST 2016 ...
R - Concatenate two dataframes?
...rbind but in this case you need to have the same number of columns in both tables, so try the following:
b$b<-as.double(NA) #keeping numeric format is essential for further calculations
new<-rbind(a,b)
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What's the difference between session.Merge and session.SaveOrUpdate?
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@Entity
@Table(name="emp")
public class Employee implements Serializable {
private static final long serialVersionUID = 1L;
@Id
@GeneratedValue(strategy=GenerationType.AUTO)
@Column(name="emp_id")
private int id;
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