包含标签：Java 的文章
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Hosting Java WebService on live server
I am new to Java Web services and need help to understand how to host web services on a web server I successfully crea…… -
Java – when running updates on SQLite, “there are no such columns”
I'm trying to update a row in the database This is the code I'm trying to update: public void addFBComments(int id){ …… -
Use Java 8’s lambda as a method parameter to avoid redundancy
I have a class with many methods like this (very simplified): public Record[] getRecordForXXX(String username,String p…… -
Java servlet DB username and password storage location
I am a beginner of servlet Solution Can I store DB users and pass them in to the web XML for easy configuration? >O…… -
Java – how do I receive multiple files in InputStream and process them accordingly?
I want to receive multiple files uploaded from the client I uploaded multiple files and requested my server (Java) usi…… -
Java – correct logic, select a card randomly from the card holder until all cards are selected
I need some advice here I want to create a logic that randomly selects one card from a deck of 52 cards until all card…… -
Java – why do many projects only provide source code instead of downloaded jars?
I've seen a lot of projects, including resources provided by big companies such as elephant bird (twitter) and Akela (…… -
Java – how does the competitive condition in toctou work?
The following code should be vulnerable to toctou attacks: public Period(final Date start,final Date end) { if (st…… -
Java – why does jsoup delete inline style sheets?
I use jsoup to protect my application from XSS attacks I get all the input parameters and do jsup clean. But I have a …… -
Java – implements class methods inherited from two interfaces with different return types
I have two interfaces and a class that implements them: interface A { int test(); } interface B { void test()…… -
Custom security mechanism in Java EE 6 / 7 applications
I want to create (by myself) an authentication mechanism As far as I know, I have to implement loginmodule and connect…… -
Java – why does adding throws interruptedexception create compilation errors for the implementation of runnable
Is there a way to make runnable's run() throw an exception? 9 The compilation error caused by interruptedexception is …… -
Java – combination of central JFrame and pack()
I'm trying to package the JFrame I used as () and I got it, but I don't think it's a clean way JFrame window = new JFr…… -
java – Jersey 1. X is replacing the plus sign with a space symbol How can I stop this?
I am using Jersey client to send query parameters to my jersey server This is the query:? sort = id ASC But in my code…… -
How to obtain the localhost network interface in Java or Scala
I'm trying to get the MAC address of my machine in the scala application There are several results when searching, but…… -
The value of Java – hashtable will not increase
The following java code: public class TestCSVDataToMap { public static Hashtable<String,Integer> testTable …… -
Multithreading – Perl threads separate themselves
I'm new to Perl (and programming, too) and have been playing with threads for the past few weeks. So far, I understand…… -
Examples of scanner errors in Java books?
I'm practicing HashSet from the Java books of cay S. Horstmann and Gary Cornell, and I think there's an error in the s…… -
Java – what does t mean when used as a method signature? Is it a return type?
abstract public <T> T iterEdges(EdgeFun<T> func,T accum); abstract public <T> T iterEdges(EdgeFun<…… -
Java – how do I import my own classes?
I have this Java class: package myClass; public class myClass { private int herAge ; public void setHerAge (i…… -
Java generalized linear model library
I'm trying to port some R code to Java / Scala and need an equivalent GLM function Is there any Java / Scala library t…… -
Java – Braintree does not update the user’s preferred / default payment method
When a customer wants to select his payment method when creating a sales order, I see that it has changed in dropinui …… -
Java – how to change Derby to read / write mode
I have a derby database that gives me a read-only error The database worked normally until last week when there was in…… -
Java – is there a limit on the size of the response I can read over HTTP
I have a java program that calls a URL The response to the URL is JSON / string I have to write a program to get data …… -
Java uses regexp to split space?
I try to match and capture commands and parameters from the following inputs: !command param1 param2 I am using the Ja…… -
How many parameters does the varargs tool allow in Java?
I'd like to know how many parameters can be passed using the varargs tool in Java Is there a JVM or memory limit? As f…… -
Java – container level versioned library shared by war
In a java servlet container (preferably tomcat, but if this can be done in another container, then say so) I want some…… -
Symfony – the difference between get (‘doctrine ‘); And getdoctrine();
In symfony, I found three ways to access the doctrine service and entity manager, as shown below: $em = $this->getD…… -
Arrays – function [hashtable []] parameter, which can be from pipeline or parameter
This is a function that accepts a hash table array through parameters: function abc () { Param([Hashtable[]]$tabl…… -
Java – how to obtain module int_ Max’s results?
If I try to apply: integer valueOf(String.valueOf(Integer.MAX_VALUE)“9”); But I need to get the remainder modulus from…… -
Java – why system Nanotime() is incorrect at the beginning of the iteration?
I noticed system The mode of nanotime() Whenever I start an iteration, nanotime () becomes very incorrect in a few lap…… -
Java – stringreader from string Error given in split output
An exception occurred while using stringreader When creating an object, the string I parse is through string Split gen……