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Constantine This may be naive to me, but I always thought the following code sample would always work and not crash with NullPointerException when using thread safe collections in Java. Unfortunately, thread t2 seems to be able to remove the item from the list
Constantine This may be naive to me, but I always thought the following code sample would always work and not crash with NullPointerException when using thread safe collections in Java. Unfortunately, thread t2 seems to be able to remove the item from the list
Chris: I have some code that iterates over a list queried from the database and makes an HTTP request for each element in the list. The list can sometimes be a fairly large number (thousands of thousands), and I want to make sure I don't run into a web server
Chris: I have some code that iterates over a list queried from the database and makes an HTTP request for each element in the list. The list can sometimes be a fairly large number (thousands of thousands), and I want to make sure I don't run into a web server
Chris: I have some code that iterates over a list queried from the database and makes an HTTP request for each element in the list. The list can sometimes be a fairly large number (thousands of thousands), and I want to make sure I don't run into a web server
Tommy Jones I am using parallelism RcppThreadin Rcppfunctions . What is the preferred way to throw an error in the middle of a parallel loop? R's API is single-threaded, so I don't think Rcpp::stop()this is thread-safe. RcppThreadThread-safe methods are provid
Tommy Jones I am using parallelism RcppThreadin Rcppfunctions . What is the preferred way to throw an error in the middle of a parallel loop? R's API is single-threaded, so I don't think Rcpp::stop()this is thread-safe. RcppThreadThread-safe methods are provid
Tommy Jones I am using parallelism RcppThreadin Rcppfunctions . What is the preferred way to throw an error in the middle of a parallel loop? R's API is single-threaded, so I don't think Rcpp::stop()this is thread-safe. RcppThreadThread-safe methods are provid
Tommy Jones I am using parallelism RcppThreadin Rcppfunctions . What is the preferred way to throw an error in the middle of a parallel loop? R's API is single-threaded, so I don't think Rcpp::stop()this is thread-safe. RcppThreadThread-safe methods are provid
Tommy Jones I am using parallelism RcppThreadin Rcppfunctions . What is the preferred way to throw an error in the middle of a parallel loop? R's API is single-threaded, so I don't think Rcpp::stop()this is thread-safe. RcppThreadThread-safe methods are provid
Tommy Jones I am using parallelism RcppThreadin Rcppfunctions . What is the preferred way to throw an error in the middle of a parallel loop? R's API is single-threaded, so I don't think Rcpp::stop()this is thread-safe. RcppThreadThread-safe methods are provid
Alex N. I have a Rails based API which has successfully integrated Devise. I have one more question about how to handle emails (confirm and reset password). Devise automatically sends these emails along with links to their views. Since the API shouldn't handle
Jay Adding a row is easy - just add a new row to my Redux store and update my table. However, if I delete a row from the Redux store, the row data still seems to be lingering somewhere - I have some custom cell renderers and then an error is triggered when the
Picamander 2 How can I find the best URL format when opening a connection? Many sites return different results depending on whether the URL uses "www" and/or "https". For example, here is a test I wrote to see some different results: import java.util.Scanner;
Andy Harvey The financial statements illustrate this well. Here is an example dataframe: df <- data.frame( date = sample(seq(as.Date('2020/01/01'), as.Date('2020/12/31'), by="day"), 10),
category = sample(c('a','b', 'c'), 10, replace=TRUE
Joe Dean: Every time I need to use a date and/or time stamp in Java, I always feel like I'm doing something wrong and spend endless hours trying to find a better way to use the API without having to write my own Date and Time Utility class. Here are some annoy
Simon Fischer: We have an application that spawns a new JVM and executes code on behalf of the user. Sometimes these memory runs out, in which case they behave very differently. Sometimes they throw OutOfMemoryError and sometimes freeze. I can detect the latte
Simon Fischer: We have an application that spawns a new JVM and executes code on behalf of the user. Sometimes these memory runs out, in which case they behave very differently. Sometimes they throw OutOfMemoryError and sometimes freeze. I can detect the latte
Joe Dean: Every time I need to use a date and/or time scale in Java, I always feel like I'm doing something wrong and spend endless hours trying to find a better way to use the API without having to write my own Date and Time Utility class. Here are some annoy
Simon Fisher We have an application that spawns a new JVM and executes code on behalf of the user. Sometimes these memory runs out, in which case they behave very differently. Sometimes they throw OutOfMemoryError and sometimes freeze. I can detect the latter
Simon Fischer: We have an application that spawns a new JVM and executes code on behalf of the user. Sometimes these memory runs out, in which case they behave very differently. Sometimes they throw OutOfMemoryError and sometimes freeze. I can detect the latte
Joe Dean: Every time I need to use a date and/or time stamp in Java, I always feel like I'm doing something wrong and spend endless hours trying to find a better way to use the API without having to write my own Date and Time Utility class. Here are some annoy
Jason: What is the slowest thread-safety mechanism for controlling multiple accesses to a collection in Java? I'm adding objects to the top of the collection, but I'm not sure what would be the best collection. Is it a bootstrap or a queue? I thought ArrayList
Jason: What is the slowest thread-safety mechanism for controlling multiple accesses to a collection in Java? I'm adding objects to the top of the collection, but I'm not sure what would be the best collection. Is it a bootstrap or a queue? I thought ArrayList
Jason: What is the slowest thread-safety mechanism for controlling multiple accesses to a collection in Java? I'm adding objects to the top of the collection, but I'm not sure what would be the best collection. Is it a bootstrap or a queue? I thought ArrayList
drunk from now on In the API documentation, we can see: If multiple threads access a hash map concurrently, and at least one of the threads modifies the map structurally, it must be
synchronized externally. (A structural modification is any operation
that adds
drunk from now on In the API documentation, we can see: If multiple threads access a hash map concurrently, and at least one of the threads modifies the map structurally, it must be
synchronized externally. (A structural modification is any operation
that adds
drunk from now on In the API documentation, we can see: If multiple threads access a hash map concurrently, and at least one of the threads modifies the map structurally, it must be
synchronized externally. (A structural modification is any operation
that adds
EspenMedbø I'm making an asynchronous call that will eventually update the collection in the GUI. Asynchronous calls are done with a delegate command like this: StartDoingUsefulStuffCommand = new DelegateCommand(() => Task.Run(() => StartDoingUsefulStuff()));