java Programming Glossary: if

How to use java.net.URLConnection to fire and handle HTTP requests?

http://stackoverflow.com/questions/2793150/how-to-use-java-net-urlconnection-to-fire-and-handle-http-requests

normally also URL encode the query parameters with the specified charset using URLEncoder#encode . The String#format is just.. response new URL url .openStream ... Either way if the other side is a HttpServlet then its doGet method will be.. that's usually been used in the server side to distinguish if a button was pressed and if so which one . You can also cast..

How to avoid Java Code in JSP-Files?

http://stackoverflow.com/questions/3177733/how-to-avoid-java-code-in-jsp-files

can't make use of inheritance composition. Debuggability if scriptlet throws an exception halfway all you get is a blank.. Here are several cites of relevance From JSP 1.2 Specification it is highly recommended that the JSP Standard Tag Library.. easier to evolve into JSP 2.0 style pages JSP 2.0 Specification supports but deemphasizes the use of scriptlets . .....

The Use of Multiple JFrames, Good/Bad Practice?

http://stackoverflow.com/questions/9554636/the-use-of-multiple-jframes-good-bad-practice

is clicked on you'd have to implement that in frames if that was the desired behavior. There are any number of ways.. example below . As nodes in a JTree . Nested layouts . But if those strategies do not work for a particular use case try the.. in this answer . The 'single row' part of that only works if they are all the same dimensions. Alternately if you are prepared..

How to upload files to server using JSP/Servlet?

http://stackoverflow.com/questions/2422468/how-to-upload-files-to-server-using-jsp-servlet

not on Servlet 3.0 yet use Apache Commons FileUpload If you're not on Servlet 3.0 yet the common practice is to make.. When you're already on Servlet 3.0 or newer use native API If you're already on the fresh new Servlet 3.0 API then you can.. had a bug wherein the getParameter still returns null . If you are targeting such a container and can't upgrade it then..

Overriding equals and hashCode in Java

http://stackoverflow.com/questions/27581/overriding-equals-and-hashcode-in-java

b then a.hashCode must be same as b.hashCode . In practice If you override one then you should override the other. Use the..

How to use java.net.URLConnection to fire and handle HTTP requests?

http://stackoverflow.com/questions/2793150/how-to-use-java-net-urlconnection-to-fire-and-handle-http-requests

may hint the server what encoding the parameters are in. If you don't send any query string then you can leave the Accept.. string then you can leave the Accept Charset header away. If you don't need to set any headers then you can even use the.. is known to not always work properly in all circumstances. If it fails for you then best is to manually gather and set the..

How to avoid Java Code in JSP-Files?

http://stackoverflow.com/questions/3177733/how-to-avoid-java-code-in-jsp-files

this code is to be placed in a fullworthy Java class. If you want to invoke the same Java code on every request less.. to copypaste the same piece of code over all JSP pages. If you want to invoke some Java code to preprocess a request e.g... you can anyway customize by an error page in web.xml . If you want to invoke some Java code to postprocess a request e.g...

Should I avoid the use of set(Preferred|Maximum|Minimum)Size methods in Java Swing?

http://stackoverflow.com/questions/7229226/should-i-avoid-the-use-of-setpreferredmaximumminimumsize-methods-in-java-swi

new LayoutManager for every little variation on my layout If the answer to 4 is yes won't this lead to a proliferation of.. except for simple highly specialized environments If the answer to 4 is yes won't this lead to a proliferation of..

Simulate lag function in MySQL

http://stackoverflow.com/questions/11303532/simulate-lag-function-in-mysql

@latest 0 company '' select B. from select A.time A.change IF @comp A.company 1 0 as LATEST @comp A.company as company from..

How to get UTF-8 working in java webapps?

http://stackoverflow.com/questions/138948/how-to-get-utf-8-working-in-java-webapps

character set defined. For example DELIMITER DROP FUNCTION IF EXISTS `pathToNode` CREATE FUNCTION `pathToNode` ryhma_id INT..

Polymorphism vs Overriding vs Overloading

http://stackoverflow.com/questions/154577/polymorphism-vs-overriding-vs-overloading

answer I think there is a bit more to it than that. IF you had a abstract base class that defined a method with no..

equals and hashcode in Hibernate

http://stackoverflow.com/questions/1638723/equals-and-hashcode-in-hibernate

above is impossible base equals hashCode on primary key IF it's set and object identity System.identityHashCode otherwise...

&& (AND) and || (OR) in IF statements

http://stackoverflow.com/questions/1795808/and-and-or-in-if-statements

AND and OR in IF statements My question might be very basic but still I think..

document not saving in spring jpa document manager application

http://stackoverflow.com/questions/20586865/document-not-saving-in-spring-jpa-document-manager-application

SQL code that creates the database include CREATE TABLE IF NOT EXISTS documenttypes id INT 4 UNSIGNED NOT NULL AUTO_INCREMENT.. PRIMARY KEY name VARCHAR 80 INDEX name CREATE TABLE IF NOT EXISTS patients id INT 4 UNSIGNED NOT NULL AUTO_INCREMENT.. DATE race VARCHAR 30 INDEX last_name CREATE TABLE IF NOT EXISTS documents id int 11 UNSIGNED NOT NULL AUTO_INCREMENT..

Synchronizing access to SimpleDateFormat

http://stackoverflow.com/questions/4107839/synchronizing-access-to-simpledateformat

Use if formatDate is not used much. Fastest option IF you reuse threads thread pool . Uses more memory than 2. and..

Unicode equivalents for \w and \b in Java regular expressions?

http://stackoverflow.com/questions/4304928/unicode-equivalents-for-w-and-b-in-java-regular-expressions

look for the edge of the string. A b boundary means IF does follow word THEN doesn't precede word ELSIF doesn't follow.. means IF does follow word THEN doesn't precede word ELSIF doesn't follow word THEN does precede word And those are all.. word is w . doesn 脌 precede word is w . Therefore since IF THEN is encoded as an and 𩩍d together AB in regexes an or is..

Handling the concurrent request while persisting in oracle database?

http://stackoverflow.com/questions/7455726/handling-the-concurrent-request-while-persisting-in-oracle-database

t1_version AFTER INSERT OR UPDATE ON t1 FOR EACH ROW BEGIN IF new.version_no IS NULL THEN new.version_no 0 ELSE new.version_no..

Creating a jar file from a Scala file

http://stackoverflow.com/questions/809138/creating-a-jar-file-from-a-scala-file

structure X scala bin X scala build.bat X scala MANIFEST.MF X scala src X scala src foo X scala src foo HelloWorld.scala.. def main args Array String println Hello world MANIFEST.MF Main Class foo.HelloWorld Class Path scala library.jar.. Class Path scala library.jar build.bat @ECHO OFF IF EXIST hellow.jar DEL hellow.jar IF NOT EXIST scala library.jar..

Fastest way to iterate over all the chars in a String

http://stackoverflow.com/questions/8894258/fastest-way-to-iterate-over-all-the-chars-in-a-string

start r.nextInt end return new String data WE DO THIS IF WE FIND AN ILLEGAL CHARACTER IN THE STRING public void doThrow..