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Always pass weak reference of self into block in ARC?
...in Objective-C. I currently use ARC and I have quite a lot of blocks in my app, currently always referring to self instead of its weak reference. May that be the cause of these blocks retaining self and keeping it from being dealloced ? The question is, should I always use a weak reference of ...
When should I use a NoSQL database instead of a relational database? Is it okay to use both on the s
...n oriented data stores. It's proven and suitable for 99% of the real world applications. You can practically do anything with relational databases.
But, there are limitations on speed and scaling when it comes to massive high availability data stores. For example, Google and Amazon have terabytes o...
ActiveMQ or RabbitMQ or ZeroMQ or [closed]
... a wider view on the topic.
These 3 messaging technologies have different approaches on building distributed systems :
RabbitMQ is one of the leading implementation of the AMQP protocol (along with Apache Qpid). Therefore, it implements a broker architecture, meaning that messages are queued on a ...
The request was aborted: Could not create SSL/TLS secure channel
...a date of June 30 2017 to disable SSL3 and implement TLS1.2. It is already applied in their sandbox environment paypal-knowledge.com/infocenter/…
– Robin French
May 10 '16 at 14:49
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Spring: @Component versus @Bean
...-configure beans using classpath scanning. There's an implicit one-to-one mapping between the annotated class and the bean (i.e. one bean per class). Control of wiring is quite limited with this approach, since it's purely declarative.
@Bean is used to explicitly declare a single bean, rather than ...
How to send POST request in JSON using HTTPClient in Android?
...equest
//will know what to do with it
httpost.setHeader("Accept", "application/json");
httpost.setHeader("Content-type", "application/json");
//Handles what is returned from the page
ResponseHandler responseHandler = new BasicResponseHandler();
return httpclient.execute(htt...
Call Go functions from C
...f your package to supply a custom callback function, we use the exact same approach as above, but we supply the user's custom handler (which is just a regular Go function) as a parameter that is passed onto the C side as void*. It is then received by the callbackhandler in our package and called.
L...
Finish an activity from another activity
...he static reference so there is no memory leaking, but that depends on the app structure.
– DArkO
Apr 30 '12 at 9:30
6
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What is the difference between synchronous and asynchronous programming (in node.js)
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The difference between these two approaches is as follows:
Synchronous way:
It waits for each operation to complete, after that only it executes the next operation.
For your query:
The console.log() command will not be executed until & unless the query ...
Git: Permission denied (publickey) fatal - Could not read from remote repository. while cloning Git
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This is the most appropriate fallback plan if ssh permissions don't get resolved or you want to skip that part.
– Wahib Ul Haq
Apr 30 '16 at 11:12
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