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difference and when to use getApplication(), getApplicationContext(), getBaseContext() and someClass
I'm new to android and I'm trying to understand the difference between getApplication() , getApplicationContext( ), getBaseContext() , getContext() and someClass.this and especially when to use the these methods in the following code lines:
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JdbcTemplate queryForInt/Long is deprecated in Spring 3.2.2. What should it be replaced by?
...venience method queryForLong(sql) is an inconvenience.
I had developed an app using Spring 3.1 and just updated to the latest Spring version (3.2.3) and noticed that it was deprecated.
Fortunately, it was a one line change for me:
return jdbcTemplate.queryForLong(sql); // deprecated in Spring 3....
node and Error: EMFILE, too many open files
...test the number of files that were opened after doing various events in my app.
lsof -i -n -P | grep "8465" | wc -l
# lsof -i -n -P | grep "nodejs.*8465" | wc -l
28
# lsof -i -n -P | grep "nodejs.*8465" | wc -l
31
# lsof -i -n -P | grep "nodejs.*8465" | wc -l
34
What is your process limit?
ulimit ...
Parallel.ForEach vs Task.Run and Task.WhenAll
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My Parallel.ForEach construct was crashing my application. I was performing some heavy image processing inside it. However, when i added Task.Run(()=> Parallel.ForEach(....)); It stopped crashing. Can you explain why? Please note i constrain the parallel options to th...
Android studio, gradle and NDK
... bit of Groovy magic: tasks.withType(com.android.build.gradle.tasks.PackageApplication) { it.jniFolders = [file("libs")] as Set }. Thank you guys for help!
– trnl
Dec 30 '13 at 23:40
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How to reuse an ostringstream?
...lear out and reuse an ostringstream (and the underlying buffer) so that my app doesn't have to do as many allocations. How do I reset the object to its initial state?
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Dispelling the UIImage imageNamed: FUD
...ageNamed in your code. Now, for posterity's sake:
The sister thread on the Apple Dev Forums received some better traffic. Specifically Rincewind added some authority.
There are issues in iPhone OS 2.x where the imageNamed: cache would not be cleared, even after a memory warning. At the same time +i...
Multiprocessing vs Threading Python [duplicate]
...t properly release the GIL will run in parallel
Great option for I/O-bound applications
Cons
cPython - subject to the GIL
Not interruptible/killable
If not following a command queue/message pump model (using the Queue module), then manual use of synchronization primitives become a necessity (dec...
IntelliJ and Tomcat…changed files are not automatically recognized by Tomcat
... Ultimate with Tomcat and deploy a war. Everything deploys fine to the webapp directory of tomcat.
6 Answers
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Does Swift have access modifiers?
...when specifying the public interface to a framework.
However, open access applies only to classes and class members, and it differs from public access as follows:
public classes and class members can only be subclassed and overridden within the defining module (target).
open classes and class mem...