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What is event bubbling and capturing?
...st handled by the li, then by the ul, and at last by the div element.
For more information, see
Event Order on QuirksMode
addEventListener on MDN
Events Advanced on QuirksMode
In the example below, if you click on any of the highlighted elements, you can see that the capturing phase of the even...
Fast way to get image dimensions (not filesize)
...f an image in pixels. It should handle at least JPG, PNG and TIFF, but the more the better. I emphasize fast because my images are quite big (up to 250 MB) and it takes soooo long to get the size with ImageMagick's identify because it obviously reads the images as a whole first.
...
initializing a boolean array in java
... line as you've there would cause ArrayIndexOutOfBoundsException. To learn more about arrays in Java, consult this basic Oracle tutorial.
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How to round the minute of a datetime object
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How to “pull” from a local branch into another one?
...al repository is already here!). There's no advantage – both commands do more or less the same. If you are doing fast-forwards, you could use push . origin/branch:branch (not pull) to update local branches, without checking them out first.
– knittl
May 6 '19 ...
Merge git repo into branch of another repo
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What does “all” stand for in a makefile?
... And you expect it to be all.
all is usually also a .PHONY target. Learn more here.
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Best way to check if a Data Table has a null value in it
...l.Value)
// do something
else
// do something else
}
More information about the DBNull class
If you want to check if a null value exists in the table you can use this method:
public static bool HasNull(this DataTable table)
{
foreach (DataColumn column in table.Columns)...
Is having an 'OR' in an INNER JOIN condition a bad idea?
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For that UNION will be right. For more details read the following link union-instead-of-or
– Mitul Panchal
Jan 21 '19 at 12:14
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How do I use a file grep comparison inside a bash if/else statement?
....conf; then
echo exists
else
echo not found
fi
You may want to use a more specific regex, such as ^MYSQL_ROLE=master$, to avoid that string in comments, names that merely start with "master", etc.
This works because the if takes a command and runs it, and uses the return value of that command...