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How to center an iframe horizontally?
Consider the following example: ( live demo )
11 Answers
11
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Validating parameters to a Bash script
...mp;2 "$@"
exit 1
}
[ "$#" -eq 1 ] || die "1 argument required, $# provided"
echo $1 | grep -E -q '^[0-9]+$' || die "Numeric argument required, $1 provided"
while read dir
do
[ -d "$dir" ] || die "Directory $dir does not exist"
rm -rf "$dir"
done <<EOF
~/myfolder1/$1/anotherfolde...
Convert Base64 string to an image file? [duplicate]
.../png;base64, is included in the encoded contents. This will result in invalid image data when the base64 function decodes it. Remove that data in the function before decoding the string, like so.
function base64_to_jpeg($base64_string, $output_file) {
// open the output file for writing
$if...
How to write a UTF-8 file with Java?
...ss an encoding in the constructor. Then you can write your data to that inside a try-with-resources Statement:
try (OutputStreamWriter writer =
new OutputStreamWriter(new FileOutputStream(PROPERTIES_FILE), StandardCharsets.UTF_8))
// do stuff
}
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How can I distinguish whether Switch,Checkbox Value is changed by user or programmatically (includin
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someCheckBox.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
// you might keep a reference to the CheckBox to avoid this class cast
boolean checked = ((CheckBox)v).isChecked();
setSomeBoolean(checked);
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Convert Json Array to normal Java list
Is there a way to convert JSON Array to normal Java Array for android ListView data binding?
14 Answers
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Select elements by attribute
I have a collection of checkboxes with generated ids and some of them have an extra attribute. Is it possible to use JQuery to check if an element has a specific attribute?
For example, can I verify if the following element has the attribute "myattr"? The value of the attribute can vary.
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Semi-transparent color layer over background-image?
...t a light transparent color "layer" over. Below is what I tried but which did not work. Is there a way to put the colored layer over the background image?
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How to rollback a specific migration?
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Another word of warning - don't ever do STEP=-1. I did that once and it went mad, rolling back everything. Not nice! This was Rails 4.2 - I guess it may be fixed by now.
– Dave Hartnoll
Mar 13 '18 at 16:37
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Android and setting width and height programmatically in dp units
...ula is in the docs. For further reading, go to section 3 of developer.android.com/guide/practices/…
– SK9
Mar 20 '11 at 1:49
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