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How to use pull to refresh in Swift?
...ring(string: "Pull to refresh")
refreshControl.addTarget(self, action: #selector(self.refresh(_:)), for: .valueChanged)
tableView.addSubview(refreshControl) // not required when using UITableViewController
}
@objc func refresh(_ sender: AnyObject) {
// Code to refresh table view
}
At s...
How to disable scrolling temporarily?
...oll by dragging a file over the top/bottom of the page. This also works by selecting text on the page and doing the same dragover the top/bottom.
– Eliseo Soto
Apr 19 '16 at 18:58
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Host 'xxx.xx.xxx.xxx' is not allowed to connect to this MySQL server
... add new privilege from phpmyadmin
Goto Privileges > Add a new User
Select Any Host for the desired username
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grant remote access of MySQL database from any IP address
...ERNAME & PASSWORD for remote access.
You can check final outcome by:
SELECT * from information_schema.user_privileges where grantee like "'USERNAME'%";
Finally, you may also need to run:
mysql> FLUSH PRIVILEGES;
Test Connection
From terminal/command-line:
mysql -h HOST -u USERNAME -p...
How to parse/read a YAML file into a Python object? [duplicate]
...
Here is one way to test which YAML implementation the user has selected on the virtualenv (or the system) and then define load_yaml_file appropriately:
load_yaml_file = None
if not load_yaml_file:
try:
import yaml
load_yaml_file = lambda fn: yaml.load(open(fn))
...
XSLT equivalent for JSON [closed]
...ompact and intuitive notation.
11. JSONPath Plus
Analyse, transform, and selectively extract data from JSON documents (and JavaScript objects).
jsonpath-plus expands on the original specification to add some additional operators and makes explicit some behaviors the original did not spell out.
12...
What is the difference between varchar and varchar2 in Oracle?
...R2. It is NOT a SYNONYM which is an actual object type in Oracle.
SQL> select substr(banner,1,80) from v$version where rownum=1;
Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production
SQL> create table test (my_char varchar(20));
Table created.
SQL> desc test
Na...
What is the difference between :focus and :active?
...ferent states.
:focus represents the state when the element is currently selected to receive input and
:active represents the state when the element is currently being activated by the user.
For example let's say we have a <button>. The <button> will not have any state to begin with...
How do I comment out a block of tags in XML?
...
In the Android Studio, select the block, then Ctrl + Slash to comment it (or Ctrl + Shift + Slash).
– Kamran Bigdely
Jul 20 '16 at 22:33
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How can I redirect HTTP requests made from an iPad?
...oding: gzip, deflate
Connection: keep-alive
Weblock is also good to selectively redirect some URL's with regular expressions.
You could redirect queries to certain endpoint only, while all other queries go to the IP returned from the DNS. This actually allows for even more fitting configurati...