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java.net.ConnectException: Connection refused
...ing this error. after reading a lot from the buddy WEB, I then closed out all the simulators and eclipse, killed the ADP in the task manager and then restarted the Eclipse and everything is started working properly. I think when you have multiple simulators running and then you try to connect devi...
Difference between jar and war in Java
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You add web components to a J2EE application in a package called a web application archive (WAR), which is a JAR similar to the package used for Java class libraries. A WAR usually contains other resources besides web components, including:
Server-side utility classes (database bean...
Scroll Automatically to the Bottom of the Page
... list of questions. When I click on the first question, it should automatically take me to the bottom of the page.
23 Answ...
How to calculate the CPU usage of a process by PID in Linux from C?
I want to programmatically [in C] calculate CPU usage % for a given process ID in Linux.
12 Answers
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Upgrade python in a virtualenv
...you will need to see your virtualenv version).
If your virtualenv is installed with the same python version of the old one and upgrading your virtualenv package is not an option, you may want to read this in order to install a virtualenv with the python version you want.
EDIT
I've tested this ap...
Objective-C: Where to remove observer for NSNotification?
...his is obviously not a satisfying answer.
I'd recommend, that you add a call [notificationCenter removeObserver: self] in method dealloc of those classes, which you intend to use as observers, as it is the last chance to unregister an observer cleanly. This will, however, only protect you against ...
Use of alloc init instead of new
...swered Mar 6 '13 at 15:49
guitar_freakguitar_freak
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Passing a URL with brackets to curl
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For me it worked - on OS X High Sierr, curl 7.54.0 (x86_64-apple-darwin17.0) libcurl/7.54.0.
– Shade
Jun 19 '18 at 10:48
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Jackson enum Serializing and DeSerializer
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I really dislike this solution for the simple fact that you introduce two sources of truth. The developer will always have to remember to add the name in two places. I much prefer a solution that just does the right thing without...
What Android tools and methods work best to find memory/resource leaks? [closed]
...e for bitmaps.
Bitmaps on the previous activity layout are not properly deallocated by the garbage collector because they have crossed references to their activity. After many experiments I found a quite good solution for this problem.
First, set the “id” attribute on the parent view of your X...