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Redis cache vs using memory directly
...he data on disk if needed.
Redis is a bit more than a simple cache: it provides various data structures, various item eviction policies, blocking queues, pub/sub, atomicity, Lua scripting, etc ...
Redis can replicate its activity with a master/slave mechanism in order to implement high-availability....
How do I update a formula with Homebrew?
...tall
or
brew upgrade
This is from the brew site..
for upgrading individual formula:
brew install formula-name && brew cleanup formula-name
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Can we have multiple “WITH AS” in single sql - Oracle SQL
... clauses.
The error I'm getting following these WITH declarations is the identifiers (field names) in B are not recognized, down in the body of the rest of the SQL. So the WITH syntax seems to run OK, but cannot access the results from t2.
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receiver type *** for instance message is a forward declaration
...
What an absolutely ridiculous wording. But, yep, that fixed it.
– TimJowers2
Aug 21 '18 at 18:41
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Get underlying NSData from UIImage
...e data can be retrieved later with
let rawData = myImage.cgImage?.dataProvider?.data as Data?
However because the rawData is raw, it is going to be even larger than when using UIImagePNGRepresentation.
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What's the difference between the WebConfigurationManager and the ConfigurationManager?
...ctories. You can pass path to the GetSection() method to get possible overridden config.
If we'd looke at WebConfigurationManager with Reflector then things are clear:
public static object GetSection(string sectionName)
{
...
return ConfigurationManager.GetSection(sectionName);
}
public s...
How can I send large messages with Kafka (over 15MB)?
...
You need to adjust three (or four) properties:
Consumer side:fetch.message.max.bytes - this will determine the largest size of a message that can be fetched by the consumer.
Broker side: replica.fetch.max.bytes - this will allow for the replicas in the brokers to send messages with...
Able to push to all git remotes with the one command?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
UITableView, Separator color where to set?
...
- (void)viewDidLoad
{
[self.tableView setSeparatorColor:[UIColor myColor]];
}
I hope that helps - you'll need the self. to access it, remember.
Swift 4.2
tableView.separatorColor = UIColor.red
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What is the default value for enum variable?
...ake the following enum:
enum E
{
Foo, Bar, Baz, Quux
}
Without overriding the default values, printing default(E) returns Foo since it's the first-occurring element.
However, it is not always the case that 0 of an enum is represented by the first member. For example, if you do this:
enum F
...