Data dodania Pytanie
2017-07-30 11:07 Java 8 Function Style Programming what is the difference between currying and Functions Composition »
I am pretty new to the world of functional programming.Trying the new function style programming that ships with Java 8. recently I have come to know ...
(3) odpowiedzi
2017-07-30 11:07 java batch insertion method »
Running in an Spring-based application server context, an application is sometimes required to handle high rates of database inserts into one big tabl...
(1) odpowiedzi
2017-07-30 09:07 Java 8 streams: find items from one list that match conditions calculated based on values from another list »
Have two classes and two corresponding lists: class Click { long campaignId; Date date; } class Campaign { long campaignId; Date start; ...
(4) odpowiedzi
2017-07-30 08:07 Removing members from request from controller before doing a REST call »
I am new in angularjs so if my question seems trivial kindly pardon. I have a class which i am getting from a fetch API lets say Class RequestObjec...
(0) odpowiedzi
2017-07-29 18:07 jruby war file: How to run rake task present in .war file »
I am creating war file out of my jruby rails application and deploying on my server. my server contains has only ruby 1.9.3 and glassfish server. I w...
(0) odpowiedzi
2017-07-29 18:07 How Memory assigns to lambda | How does it refered,by non super class reference variable »
I was creating the implementation of functional interface,below is my code Consumer<Integer> consumer=new Consumer<Integer>() { @Over...
(4) odpowiedzi
2017-07-29 16:07 Regex expression for E.164 not working »
I'm using the following code: Pattern p = Pattern.compile("^\\+?[1-9]\\d{1,14}$"); stringNumber=stringNumber.replace(" ",""); Matcher m ...
(1) odpowiedzi
2017-07-29 14:07 A RESTful Web Service using MySQL Community Server and jQuery AJAX »
I am trying to create a RESTful Web Service using MySQL Community Server and jQuery AJAX My jQuery AJAX does not work properly, so if i want add, del...
(1) odpowiedzi
2017-07-29 06:07 "Failed to resolve: com.android.support:support-v4:26.0.0" and other similar errors on Gradle sync »
I have just created a new Android Studio project for both Android Mobile and wear. The initial gradle build failed because I am getting several errors...
(5) odpowiedzi
2017-07-28 23:07 Detect available memory inside of a WebView »
I'm building an app that contains a WebView that runs some JavaScript code. That JavaScript code is quite allocation heavy and can require a lot of me...
(0) odpowiedzi
2017-07-28 23:07 Using JAVA to store date/time info in the DB? »
What is the best way/approach to store date/time info (and timestamps in general) so the information that can be displayed in different timezones? My...
(1) odpowiedzi
2017-07-28 18:07 How to configure CSRF security in JSF »
In our applications, there is inter war communications. Were one WAR sends http request to other. One/first WAR made up of JSP, Struts we have owasp c...
(0) odpowiedzi
2017-07-28 17:07 Spark does not find Scala specific methods »
The problem is that every job fails with the following exception: Exception in thread "main" java.lang.NoSuchMethodError: scala.Predef$.refArrayOps([...
(1) odpowiedzi
2017-07-28 14:07 Concurrency: Java Map »
What is the best way to push 20 Million entities into a java map object? Without multi-threading it is taking ~40 seconds. Using ForkJoinPool it is...
(2) odpowiedzi
2017-07-28 14:07 How to use Swagger @ApiResponses annotation in Kotlin? »
How to convert the following Swagger annotations from Java to Kotlin? @ApiResponses(value = { @ApiResponse(code = 200, message = "Given admin user f...
(1) odpowiedzi
2017-07-28 14:07 Android retrofit 401 after successful login / register »
After I Login / Register in my app, I try to call a get route, which shall get me some data, but if I click on the button I do get a onResponse: ...
(0) odpowiedzi
2017-07-27 18:07 How can I add methods that I often use to android studio? »
For example, public void show_message(String message){ Toast.makeText(this, message, Toast.LENGTH_SHORT).show(); } I want this method add auto...
(4) odpowiedzi
2017-07-27 15:07 Type casting in Java from char to short »
Why can we not pass a char value as an argument to any method that accepts a short parameter, whereas we can pass a char value to another method whose...
(2) odpowiedzi
2017-07-27 15:07 ImmutableCollections SetN implementation detail »
I have sort of a hard time understanding an implementation detail from java-9 ImmutableCollections.SetN; specifically why is there a need to increase ...
(1) odpowiedzi
2017-07-27 15:07 Java Threads: Should all shared variables be Volatile ? »
I am trying to understand how multithreading works in Java. I understand the difference between Volatile and Synchronization. Volatile is about visi...
(3) odpowiedzi
2017-07-27 11:07 2 AtomicReferences can false share? »
when i have Object a; Object b; i have false sharing this way i dont @Contended Object a; Object b; but if i have final AtomicReference<Ob...
(1) odpowiedzi
2017-07-27 10:07 How to sort a list of objects by the ordinal of the enum inside the objects (Java, List, Enum, sort) »
I've this enum: public enum ColorEnum { WHITE, BLACK, RED, BLUE, PINK } And I've an object like this: public class Object { ...
(0) odpowiedzi
2017-07-27 10:07 Selenium - Other way to basic authenticate than via url »
In my Selenium-Test (with chromedriver-2.24) I'm trying to access my webpage via basic authentication with the following statement: WebDriver driver...
(2) odpowiedzi
2017-07-27 05:07 Squashed icons in toolbar after change to Android SDK 26 »
After changing my app from compiling/targeting SDK v25 to SDK v26, all of the menu icons in my app's toolbar are now squashed/squished/stretched. Her...
(1) odpowiedzi
2017-07-27 03:07 Convert some specific file format into Map concisely via functional paradigm in Java 8 »
I want to convert some file format into Java Map. My team uses some specific file format like below. <<<element1s_key1>>>value1 &l...
(1) odpowiedzi
2017-07-26 23:07 Is there any way to generate a UUID in Java that is identical to that of the one generated in C#? »
I'm porting a C# script into Spark (Scala) and I'm running into an issue with UUID generation in Scala vs GUID generation in C#. Is there any way t...
(1) odpowiedzi
2017-07-26 22:07 How to reference a generic parameter recursively? »
I have solved a Y-combinator problem. Just now I found that I cannot reference a generic parameter recursively. Y = λf.(λx.f (x x)) (λx.f (x x)) ...
(1) odpowiedzi
2017-07-26 15:07 Java cannot find correct overloaded method with double colon operator »
When using the double colon operator to refer to an overloaded method, Java does not seem to be able to determine the correct method to use. Consider ...
(1) odpowiedzi
2017-07-26 12:07 Does String concatenation get optimized to use existing StringBuilders? »
I have the following code: StringBuilder str = new StringBuilder("foo"); for(Field f : fields){ str.append("|" + f); } str.append("|" + bar); Str...
(4) odpowiedzi
2017-07-26 12:07 Implementing resume for download files via internet »
my below code for downloading file work fine when don't implementing resume for that, after read more solution to implementing that and resolve proble...
(2) odpowiedzi
2017-07-26 08:07 How to restore one record/row in table when testing? »
I am conducting Junit test on an AM. The thing is that, in some cases there are changes to the values of the attributes in one row, sometimes even ha...
(1) odpowiedzi
2017-07-25 22:07 Is it a good practice to use foreach for multiple insertions on a database? »
I have a message and many recipients, what I want to know is when I want to save it.. is it good to use Statement.execute() for each recipient that th...
(1) odpowiedzi
2017-07-25 20:07 Why does System.out.println print a new line while System.out.print prints nothing? »
I am having trouble with split function. I do not know how it works. Here is my source code: // Using println to print out the result String str = ...
(3) odpowiedzi
2017-07-25 15:07 Java sum two double[][] with parallel stream »
Let's say I have this two matrices: double[][] a = new double[2][2] a[0][0] = 1 a[0][1] = 2 a[1][0] = 3 a[1][1] = 4 double[][] b = new double[2][2] ...
(5) odpowiedzi
2017-07-25 12:07 Convert database time to IST datetime »
I have a time value stored in my database in HH:mm:ss format (using MySQL's time type). This time is to be considered as a value of IST timezone. The ...
(1) odpowiedzi