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Retrieve the commit log for a specific line in a file?
...will get a blame for a lines 14 to 15.
Since -L option expects Range as a param we can't get a Blame for a single line using the -L option`.
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How to add additional fields to form before submit?
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Yes.You can try with some hidden params.
$("#form").submit( function(eventObj) {
$("<input />").attr("type", "hidden")
.attr("name", "something")
.attr("value", "something")
.appendTo("#form");
return true;
...
Converting Secret Key into a String and Vice Versa
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public static SecretKey generateAESKey(int keysize)
throws InvalidParameterException {
try {
if (Cipher.getMaxAllowedKeyLength("AES") < keysize) {
// this may be an issue if unlimited crypto is not installed
throw new InvalidParameterException("Key siz...
Convert JS Object to form data
... this but there is no usage example. the expected format of the ignoreList param would be pretty helpful.
– jpro
Jun 9 at 19:43
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Rails detect if request was AJAX
..._request, only: [:action, :action_2]
def action
@model = Model.find(params[:id])
end
def action_2
# load resource(s)
end
private
def require_xhr_request
redirect_to(root_url) unless request.xhr?
end
end
...
Validate uniqueness of multiple columns
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Just wanted to add that you can pass multiple scope params in case you need to validate uniqueness on more than 2 fields. I.e. :scope => [:friend_id, :group_id]
– Dave Rapin
May 2 '11 at 16:36
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How do I change Bootstrap 3 column order on mobile layout?
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Thanks for this. This beats positioning cols absolutely and such!
– Radmation
Nov 2 '17 at 18:30
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How to remove a key from Hash and get the remaining hash in Ruby/Rails?
... { a: true, b: false, c: nil}
#
# This is useful for limiting a set of parameters to everything but a few known toggles:
# @person.update(params[:person].except(:admin))
def except(*keys)
dup.except!(*keys)
end
# Replaces the hash without the given keys.
# hash = { a: true, b:...
mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to
...ysqli->error); // or $mysqli->error_list
}
else if ( !$stmt->bind_param('s', $_POST['username']) ) {
yourErrorHandler($stmt->error); // or $stmt->error_list
}
else if ( !$stmt->execute() ) {
yourErrorHandler($stmt->error); // or $stmt->error_list
}
else {
$result ...
How to move a model between two Django apps (Django 1.7)
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I am removing the old answer as may result in data loss. As ozan mentioned, we can create 2 migrations one in each app. The comments below this post refer to my old answer.
First migration to remove model from 1st app.
$ python manage.py makemigrations old_app --empty
Edit migration file t...