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How safe is it to store sessions with Redis?
...persistence to learn more, but at a high level, here are your options -
If you cannot afford losing any sessions, set appendfsync always in your configuration file. With this, Redis guarantees that any write operations are saved to the disk. The disadvantage is that write operations will be slowe...
How to convert an Array to a Set in Java
...T> mySet = new HashSet<>(Arrays.asList(someArray));
In Java 9+, if unmodifiable set is ok:
Set<T> mySet = Set.of(someArray);
In Java 10+, the generic type parameter can be inferred from the arrays component type:
var mySet = Set.of(someArray);
...
How can I wrap text in a label using WPF?
...nstead. (Of course, you can place the TextBlock inside of a Label control, if you wish.)
Sample code:
<TextBlock TextWrapping="WrapWithOverflow">
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec adipiscing
nulla quis libero egestas lobortis. Duis blandit imperdiet ornar...
What is the difference between an annotated and unannotated tag?
If I want to tag the current commit. I know both of the following command lines work:
3 Answers
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For homebrew mysql installs, where's my.cnf?
....cnf by default. As such, MySQL starts with all of the default settings. If you want to create your own my.cnf to override any defaults, place it at /etc/my.cnf.
Also, you can run mysql --help and look through it for the conf locations listed.
Default options are read from the following files in...
MySQL error 1449: The user specified as a definer does not exist
...change all the definers for all databases.
2. Create the missing user
If you've found following error while using MySQL database:
The user specified as a definer ('someuser'@'%') does not exist`
Then you can solve
it by using following :
GRANT ALL ON *.* TO 'someuser'@'%' IDENTIFIED...
Convert an ISO date to the date format yyyy-mm-dd in JavaScript
...mments, I am updating the answer to print leading zeros for date and month if needed.
date = new Date('2013-08-03T02:00:00Z');
year = date.getFullYear();
month = date.getMonth()+1;
dt = date.getDate();
if (dt < 10) {
dt = '0' + dt;
}
if (month < 10) {
month = '0' + month;
}...
How do I combine two data frames?
...g to concatenate two columns of the same name o_O
– lifelonglearner
Apr 1 at 2:13
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scopes with lambda and arguments in Rails 4 style?
I'm wondering how the following is done in Rails 4 or if I just use the Rails 3 approach for using a lambda that can pass an argument the same way with 4 as I do with 3.
...
How to merge two sorted arrays into a sorted array? [closed]
... O(n) algorithm but in literally single statement in a single while loop!
If two arrays are of approximately same size then constant for O(n) is same. However if arrays are really imbalanced then versions with System.arraycopy would win because internally it can do this with single x86 assembly ins...