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Can you grab or delete between parentheses in vi/vim?
... | |
\_______\___---> Cursor range
assuming that your cursor is inside the above mentioned cursor range, you can issue the following commands :
di( --> Deletes '5.0/9.0'
ci( --> Substitutes '5.0/9.0'
yi( --> Y...
Instance v state variables in react.js
...nter: function () {
// Open a new one after a delay
this._timeout = setTimeout(function () {
this.openWidget();
}.bind(this), DELAY);
},
handleLeave: function () {
// Clear the timeout for opening the widget
clearTimeout(this._timeout...
Angularjs minify best practice
... note on minification have been moved here docs.angularjs.org/tutorial/step_07
– Razvan.432
Jul 26 '16 at 18:24
See al...
mysql -> insert into tbl (select from another table) and some default values [duplicate]
...
INSERT INTO offer_masti.city (NULL, '1', '1', citydb.city_name, NULL, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP) select test.cities.city as city_name from test.cities as citydb; i am using this query it give me error can any one help me to solve...
How can I use a local image as the base image with a dockerfile?
...on: 1.24
Package version: docker-common-1.12.6-16.el7.centos.x86_64
Go version: go1.7.4
Server:
Version: 1.12.6
API version: 1.24
Package version: docker-common-1.12.6-16.el7.centos.x86_64
Go version: go1.7.4
docker images
...
Setting custom UITableViewCells height
...*)indexPath
{
return [indexPath row] * 20;
}
Swift 5
func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
return indexPath.row * 20
}
You will probably want to use NSString's sizeWithFont:constrainedToSize:lineBreakMode: method to calculate your ...
How to 'bulk update' with Django?
...
Update:
Django 2.2 version now has a bulk_update.
Old answer:
Refer to the following django documentation section
Updating multiple objects at once
In short you should be able to use:
ModelClass.objects.filter(name='bar').update(name="foo")
You can also ...
Javascript : natural sort of alphanumerical strings
...llator(undefined, {numeric: true, sensitivity: 'base'});
var myArray = ['1_Document', '11_Document', '2_Document'];
console.log(myArray.sort(collator.compare));
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...
What's the recommended approach to resetting migration history using Django South?
...r appname/migrations/
./manage.py reset south
./manage.py convert_to_south appname
(Notice that the “reset south” part clears migration records for ALL apps, so make sure you either run the other two lines for all apps or delete selectively).
The convert_to_south call at th...
How to install trusted CA certificate on Android device?
...oduction builds use the default trust profile.
Add a file res/xml/network_security_config.xml to your app:
<network-security-config>
<debug-overrides>
<trust-anchors>
<!-- Trust user added CAs while debuggable only -->
<certific...