synchronization Questions
1
Solved
I implemented a sync task the same way as the BasicSyncAdapter example except with a Google account like in this answer:
https://mcmap.net/q/622883/-android-syncadapter-using-a-google-account
It ...
Benjy asked 8/7, 2015 at 11:3
2
Solved
StringBuffer is synchronized but StringBuilder is not ! This has been discussed deeply at Difference between StringBuilder and StringBuffer.
There is an example code there (Answered by @NicolasZo...
Asbury asked 13/7, 2015 at 5:7
3
Short version:
Problem: I need several Android devices to do something at the exact same time (within ca 100 milliseconds). For example, I want all devices to play a certain sound at previously de...
Glasses asked 21/11, 2011 at 10:21
1
Solved
Some years ago Apple released the iCloud sync of Core Data apps. Then I released an app for iPad / iPhone / MAC with a shared model using the new Apple mechanism.
Things have not gone as expected. ...
Stoppage asked 10/7, 2015 at 2:22
1
I have Cached List, my code looks like this
public class MyList {
private final List<String> cache = new ArrayList<String>();
private List<String> loadMyList() {
// HEAVY OPERA...
Virus asked 9/7, 2015 at 13:42
1
I'm implementing an algorithm as something below in compute shader
for every pixel in the image
calculate something and store it to a temp image
for every pixel in the image
wait until all its...
Wacke asked 7/6, 2014 at 6:33
3
Solved
Is there a way to check, programmatically within my Android app, whether a particular setting under Settings > Accounts and Sync > Data & Synchronization is enabled or not?
Is there a way to c...
Opinionative asked 28/6, 2012 at 21:5
3
Solved
synchronized is not part of method signature. But when we override a method, its not only the method signature which decides whether the overridden method will compile or not.
For example, we cann...
Lifesaver asked 4/7, 2015 at 18:36
4
Solved
I am working on an app for the J2ME and sometime it freezes completely and it takes quite some time for the AMS to close it. It seems to me like a dead-lock issue.
Could you advise me as to what c...
Roby asked 30/8, 2010 at 8:9
1
Solved
Let's say I have a method that creates a new user for a web application. The method itself calls a static helper class that creates a SQL statement that performs the actual insertion into my ...
Karlise asked 28/6, 2015 at 7:15
1
Solved
I am reading the famous Operating System Concepts book of (Avi Silberschatz, Peter Baer Galvin, Greg Gagne) edition 9: http://codex.cs.yale.edu/avi/os-book/OS9/
In the process synchronization chap...
Remiss asked 27/6, 2015 at 3:2
1
Solved
The following bit of code does exactly what I want, except it only prints to the console.
cmd := exec.Command("php", "randomcommand.php")
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err :=...
Eulogist asked 23/6, 2015 at 4:11
1
I have an imageLoader function, that loads the images while the other code keeps running. Now I want that same function to run first, before all the other code keeps running.
This is the function:...
Tommietommy asked 23/6, 2015 at 1:19
4
I need to know how to toggle auto sync on and off programmatically.
Chopstick asked 28/2, 2011 at 4:40
3
Solved
List<String> result = map.entrySet()
.stream()
.map(Map.Entry::getValue)
.flatMap(x -> x.stream())
.collect(Collectors.toCollection(ArrayList::new));
The above code will create a Arr...
Tripalmitin asked 15/6, 2015 at 8:46
1
Don't understand why mark() and reset() are synchronized and why read() not?
Muffle asked 11/6, 2015 at 8:3
4
Solved
I have the following class in my application
public class InsertErrorLinesHandler {
private int currentCount;
public void insertErrorLine() {
//do something...
currentCount++;
}
}
And I h...
Timetable asked 3/6, 2015 at 3:44
1
I just came across the following paragraph in the AppEngine documentation for Query Cursors:
An interesting application of cursors is to monitor entities for
unseen changes. If the app sets a t...
Expressman asked 16/8, 2013 at 1:16
0
Can you help me sync data between Google SpreadSheets and Google Maps? Once I import data into google maps, it shows nice pins of each location. But, the spreadsheet does not sync and I have to kee...
Misfeasance asked 24/5, 2015 at 0:2
4
Solved
We have a website running .NET 2.0 and have started using the ASP.Net HttpRuntime.Cache to store the results of frequent data lookups to cut down our database access.
Snippet:
lock (locker)
{
...
Hildebrand asked 15/1, 2009 at 17:35
3
Solved
I am trying to write an adapter for a client-side HTML/JS templating system to use dust.js under the hood. Unfortunately the API expects render operations to occur synchronously: the rendered outpu...
Ability asked 24/3, 2012 at 3:17
1
Solved
In asynchronous functions, we can simply catch the error in callback. For example :
Async func:
fs.readdir(path, function(err){
//catch error
)
As synchronous functions don't have callback, h...
Stroller asked 21/5, 2015 at 7:36
6
Solved
I'm using a static code block to initialize some controllers in a registry I have. My question is therefore, can I guarantee that this static code block will only absolutely be called once when the...
Boarer asked 18/5, 2009 at 16:30
2
Solved
In go, how can I control the concurrent writing to a text file?
I ask this because I will have multiple goroutines writing to a text file using the same file handler.
I wrote this bit of code to ...
Vancevancleave asked 1/5, 2015 at 2:59
5
Solved
I have the following C++ code where I make use of the Critical Section object:
EnterCriticalSection(&cs);
// code that may throw an exception
LeaveCriticalSection(&cs);
How can I ensur...
Longawa asked 1/5, 2015 at 10:5
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