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How do I remove the passphrase for the SSH key without having to create a new key?
...ng all arguments provided (i.e. the passphrases in this case). It is, therefore, is recommended that you use the first option unless you have a specific reason to do otherwise.
Notice though that you can still use -f keyfile without having to specify -P nor -N, and that the keyfile defaults to ~...
Jquery If radio button is checked
... in order to wrap the <input /> elements with <label>s - allow for clicking the text to update the relevant <input /> - and changing the means of creating the content to append:
var appended = $('<div />', {
'id': 'appended',
'text': 'Appended content'
});
$('inp...
How to record webcam and audio using webRTC and a server-based Peer connection
...o record from a WebRTC feed and much more. You can also find some examples for the application you are planning here. It is really easy to add recording capabilities to that demo, and store the media file in a URI (local disk or wherever).
The project is licensed under LGPL Apache 2.0
EDIT 1
Si...
Pandas dataframe get first row of each group
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If you want multiples, like the first three, for example, use a sequence like nth((0,1,2)) or nth(range(3)).
– Ronan Paixão
Sep 8 '16 at 2:34
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How to disable/enable select field using jQuery?
I would like to create an option in a form like
8 Answers
8
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Remove vertical padding from horizontal ProgressBar
...
I use the following as a workaround for this issue.
android:layout_marginBottom="-8dp"
android:layout_marginTop="-4dp"
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Delete sql rows where IDs do not have a match from another table
...id
FROM FILES f)
Warning
Whenever possible, perform DELETEs within a transaction (assuming supported - IE: Not on MyISAM) so you can use rollback to revert changes in case of problems.
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MySQL, better to insert NULL or empty string?
I have a form on a website which has a lot of different fields. Some of the fields are optional while some are mandatory. In my DB I have a table which holds all these values, is it better practice to insert a NULL value or an empty string into the DB columns where the user didn't put any data?
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How does this CSS produce a circle?
...ight/width-> 0px become a circle with a radius of 180 pixels?
Let's reformulate that into two questions:
Where do width and height actually apply?
Let's have a look at the areas of a typical box (source):
The height and width apply only on content, if the correct box model is being used (n...
How can I remove a button or make it invisible in Android?
...button will be completely "removed" -- the buttons space will be available for another widgets) or INVISIBLE (button will became "transparent" -- its space will not be available for another widgets):
View b = findViewById(R.id.button);
b.setVisibility(View.GONE);
or in xml:
<Button ... androi...