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How do I make an HTML text box show a hint when empty?
...y text box. If there is already text in it, it should display the text normally (black, non-italics). This will help me avoid clutter by removing the label.
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Find html label associated with a given input
...ld use something like this (support for native labels property but with a fallback for retrieving labels in case the browser doesn't support it)...
var getLabelsForInputElement = function(element) {
var labels = [];
var id = element.id;
if (element.labels) {
return element.labe...
Are HTML Image Maps still used?
...ute positioning and CSS but that's not necessarily better. It also doesn't allow you to have shapes like in image maps
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Replace a value in a data frame based on a conditional (`if`) statement
In the R data frame coded for below, I would like to replace all of the times that B
appears with b .
8 Answers
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Submit form using a button outside the tag
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Here's what the spec says
The elements used to create controls generally appear inside a FORM
element, but may also appear outside of a FORM element declaration
when they are used to build user interfaces. This is discussed in the
section on intrinsic events. Note that controls outside ...
In git, is there a way to show untracked stashed files without applying the stash?
...an stash untracked files. However, said untracked files don't show up at all with git stash show stash@{0} . Is there any way to show untracked stashed files without applying the stash?
...
Are email addresses case sensitive?
...r: "you're unsafe to treat email-addresses as case-sensitive manner" Especially when checking for duplicates in user-databases, etc.
– Geert-Jan
Nov 16 '13 at 23:00
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How to test code dependent on environment variables using JUnit?
... value);
}
}
For Java 5 to 7 the library System Rules has a JUnit rule called EnvironmentVariables.
import org.junit.contrib.java.lang.system.EnvironmentVariables;
public class EnvironmentVariablesTest {
@Rule
public final EnvironmentVariables environmentVariables
= new EnvironmentVariab...
Graph Algorithm To Find All Connections Between Two Arbitrary Vertices
...d with a depth-first search of the graph. The depth-first search will find all non-cyclical paths between two nodes. This algorithm should be very fast and scale to large graphs (The graph data structure is sparse so it only uses as much memory as it needs to).
I noticed that the graph you specifie...
How to test an SQL Update statement before running it?
...verflow.com/a/18499823/1416909
):
# do some stuff that should be conditionally rollbacked later on
SET @v1 := UPDATE MyGuests SET lastname='Doe' WHERE id=2;
IF(v1 < 1) THEN
ROLLBACK;
ELSE
COMMIT;
END IF;
But I would suggest to use the language wrappers available in your favorite progr...