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java Programming Glossary: commonHow to read a single char from the console in Java (as the user types it)? http://stackoverflow.com/questions/1066318/how-to-read-a-single-char-from-the-console-in-java-as-the-user-types-it Another suggestion at the end of the thread and in common with the post above is to look at using jCurses . share improve..
What is a stack overflow error? http://stackoverflow.com/questions/214741/what-is-a-stack-overflow-error collide with the stack a bit like techtonic plates . The common cause for a stack overflow is a bad recursive call. Typically..
Java: recommended solution for deep cloning/copying an instance http://stackoverflow.com/questions/2156120/java-recommended-solution-for-deep-cloning-copying-an-instance reflection tools or with an external helper like jakarta common beans it is easy to write a generic copy method that will do.. clone framework Use a framework that do it for you like commons lang SerializationUtils Java Deep Cloning Library Dozer Kryo.. for deep cloning clones the entire object hierarchy commons lang SerializationUtils using serialization if all classes..
How to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android you can get about the memory use of a running system. A common one is the command adb shell dumpsys meminfo which will spit..
How to upload files to server using JSP/Servlet? http://stackoverflow.com/questions/2422468/how-to-upload-files-to-server-using-jsp-servlet Commons FileUpload If you're not on Servlet 3.0 yet the common practice is to make use of Apache Commons FileUpload to parse.. at least the following files in your webapp's WEB INF lib commons fileupload.jar commons io.jar Your initial attempt failed most.. files in your webapp's WEB INF lib commons fileupload.jar commons io.jar Your initial attempt failed most likely because you..
http://stackoverflow.com/questions/2707322/what-is-null-in-java The system console if any otherwise null . This is a very common use pattern null is used to denote non existence of an object...
Avoiding “!= null” statements in Java? http://stackoverflow.com/questions/271526/avoiding-null-statements-in-java improve this question This to me sounds like a reasonably common problem that junior to intermediate developers tend to face..
What is a raw type and why shouldn't we use it? http://stackoverflow.com/questions/2770321/what-is-a-raw-type-and-why-shouldnt-we-use-it OK Here MyType E is a parameterized type JLS 4.5 . It is common to colloquially refer to this type as simply MyType for short..
What is the reason behind “non-static method cannot be referenced from a static context”? http://stackoverflow.com/questions/290884/what-is-the-reason-behind-non-static-method-cannot-be-referenced-from-a-static cannot be referenced from a static context&rdquo The very common beginner mistake is when you try to use a class property statically..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog many ways to download files. Following I will post most common ways it is up to you to decide which method is better for your..
GUI not working after rewriting to MVC http://stackoverflow.com/questions/3066590/gui-not-working-after-rewriting-to-mvc below Model extends Observable for simplicity. A more common approach uses an EventListenerList as shown in the Converter..
How do servlets work? Instantiation, session variables and multithreading http://stackoverflow.com/questions/3106452/how-do-servlets-work-instantiation-session-variables-and-multithreading what happens to the session variables Will they all be common for all the users or they will be different for each user. If..
What is reflection, and why is it useful? http://stackoverflow.com/questions/37628/what-is-reflection-and-why-is-it-useful doSomething null method.invoke foo null One very common use case in Java is the usage with annotations. JUnit 4 for..
Singletons vs. Application Context in Android? http://stackoverflow.com/questions/3826905/singletons-vs-application-context-in-android people coming from procedural languages like C where it is common to maintain global state. To come back to your question Although..
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 the old version is still perfectly workable for the most common situations. EDIT See addendum at bottom. What to do about d..
If profiler is not the answer, what other choices do we have? http://stackoverflow.com/questions/4387895/if-profiler-is-not-the-answer-what-other-choices-do-we-have they found in the ones they evaluated. Mistakes are common because of some persistent myths about performance profiling..
How can an app use files inside the JAR for read and write? http://stackoverflow.com/questions/5052311/how-can-an-app-use-files-inside-the-jar-for-read-and-write it is changed store the altered file in another place. One common place is a sub directory of user.home . When checking for the..
http://stackoverflow.com/questions/1320745/abstract-class-in-java abstract method you can still mark the class as abstract. Common use A common use of abstract classes is to provide an outline..
How can I print an image on a Bluetooth printer in Android? http://stackoverflow.com/questions/14530058/how-can-i-print-an-image-on-a-bluetooth-printer-in-android program eg PostScript . Link Page Description Languages . Common languages are Yours ESC POS . PostScript PCL ZPL You need to..
Java - Common Gotchas [closed] http://stackoverflow.com/questions/169815/java-common-gotchas Common Gotchas closed In the same spirit of other platforms it seemed.. gotcha since that's what the voting is for. See also Perl Common gotchas .NET Common gotchas java share improve this question.. what the voting is for. See also Perl Common gotchas .NET Common gotchas java share improve this question Comparing equality..
What does “Could not find or load main class” mean? http://stackoverflow.com/questions/18093928/what-does-could-not-find-or-load-main-class-mean
How to upload files to server using JSP/Servlet? http://stackoverflow.com/questions/2422468/how-to-upload-files-to-server-using-jsp-servlet returns null . During research I stumbled upon Apache Common FileUpload . I tried this FileItemFactory factory new DiskFileItemFactory.. robustness. When you're not on Servlet 3.0 yet use Apache Commons FileUpload If you're not on Servlet 3.0 yet the common practice.. 3.0 yet the common practice is to make use of Apache Commons FileUpload to parse the multpart form data requests. It has..
calling a java servlet from javascript http://stackoverflow.com/questions/3028490/calling-a-java-servlet-from-javascript easy accessible data format to transfer more complex data. Common formats are XML and JSON. The last one is most preferred since..
Switching from Java to C++ - what's the easy way? [closed] http://stackoverflow.com/questions/403431/switching-from-java-to-c-whats-the-easy-way about differently How did any of you accomplish this Common pitfalls Good references I'm not looking for any books or the..
How to find GCF, LCM on a set of numbers http://stackoverflow.com/questions/4201860/how-to-find-gcf-lcm-on-a-set-of-numbers What would be the easiest way to calculate Greatest Common Factor Least Common Multiple on a set of numbers. What math.. the easiest way to calculate Greatest Common Factor Least Common Multiple on a set of numbers. What math functions can be used..
Java conditional compilation: how to prevent code chunks to be compiled? http://stackoverflow.com/questions/4526113/java-conditional-compilation-how-to-prevent-code-chunks-to-be-compiled I could check a feature using hasattr or something else in Common Lisp I could use # feature . Is there something similar for..
Java's Virtual Machine and CLR http://stackoverflow.com/questions/453610/javas-virtual-machine-and-clr Java Virtual Machine works versus how the .NET Framework Common Language Runtime CLR works Also is the .NET framework CLR a..
What optimizations can I expect from Dalvik and the Android toolchain? http://stackoverflow.com/questions/4912695/what-optimizations-can-i-expect-from-dalvik-and-the-android-toolchain I declare methods as final or static wherever possible Common subexpression elimination. For example if I access someObject.someField..
http://stackoverflow.com/questions/5767627/java-regex-helper properties. It means you can do things like p Latin p Common p Inherited which is quite important. The UTF 16 bug has a workaround...
What's causing my java.net.SocketException: Connection reset? http://stackoverflow.com/questions/585599/whats-causing-my-java-net-socketexception-connection-reset it could indicate a bug in the Java code. As you are using Commons HTTP Client have a look at the Common HTTP Client Logging Guide.. As you are using Commons HTTP Client have a look at the Common HTTP Client Logging Guide . This will tell you how to log the..
http://stackoverflow.com/questions/5943330/common-elements-in-two-lists elements in two lists I have two arrayLists with 3 integer...
CSV parsing in Java - working example..? [closed] http://stackoverflow.com/questions/843997/csv-parsing-in-java-working-example share improve this question You also have the Apache Common library for CSV maybe it does what you need. Also for the foolprof..
How are SSL certificate server names resolved/Can I add alternative names using keytool? http://stackoverflow.com/questions/8443081/how-are-ssl-certificate-server-names-resolved-can-i-add-alternative-names-using MUST be used as the identity. Otherwise the most specific Common Name field in the Subject field of the certificate MUST be used... of the certificate MUST be used. Although the use of the Common Name is existing practice it is deprecated and Certification..
How do I save Eclipse launch profiles across workspaces? http://stackoverflow.com/questions/952290/how-do-i-save-eclipse-launch-profiles-across-workspaces a shared file location inside your workspace from the Common tab of the launch configurations profiles . share improve this..
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