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rake db:schema:load vs. migrations
...ery simple question here - if migrations can get slow and cumbersome as an app gets more complex and if we have the much cleaner rake db:schema:load to call instead, why do migrations exist at all?
...
When - and why - should you store data in the Windows Registry?
...big.
Solution (WinXP): Large blocks of individual data moved to user's own Application Data folder.
Problem: Good for large amounts of data, but rather complex for small amounts.
Solution (.NET): small amounts of fixed, read-only data stored in .config (Xml) files in same folder as application, with...
How do I pass multiple attributes into an Angular.js attribute directive?
...er="99" example-function="exampleCallback()"></div>
Directive:
app.directive('exampleDirective ', function () {
return {
restrict: 'A', // 'A' is the default, so you could remove this line
scope: {
callback : '&exampleFunction',
},
li...
Is it a good idea to use Google Guava library for Android development?
I am involved in the development of Android application which is a rather "thick" mobile client for a Web service. It heavily communicates with the server but also has a lot of inner logic too. So, I decided to use some features of Google Guava library to simplify development process. Here is a li...
How do I solve the INSTALL_FAILED_DEXOPT error?
I am developing an Android application using Android 2.2, my application APK size is 22.5 MB, and I would like to create a new build for a Samsung tablet. I got the following error:
...
Difference between onStart() and onResume()
...Needed();
switchOnWipersIfNeeded();
}
protected void onResume() {
applyFootbrake();
releaseHandbrake();
putCarInGear();
drive();
}
protected void onPause() {
putCarInNeutral();
applyHandbrake();
}
protected void onStop() {
switchEveryThingOff();
turnOffEngine()...
What is the difference between JSF, Servlet and JSP?
...s backend data (via attributes available in the page, request, session and application scopes), mostly in combination with taglibs.
When a JSP is requested for the first time or when the web app starts up, the servlet container will compile it into a class extending HttpServlet and use it during the...
How do I make a JAR from a .java file?
I was writing a simple program using a Java application (not application that has projects, but application within a project; .java ) that has a single frame. Both of the files are .java so I can't write a manifest needed by the JAR.
...
Adding devices to team provisioning profile
...orked for me:
Login to your iphone provisioning portal through developer.apple.com
Add the UDID in devices
Go back to XCode, open up the Organizer and select "Provisioning Profiles", ensure that "Automatic Device Provisioning" is checked on the top right pane, then click on the "Refresh" button,...
Android: Clear Activity Stack
I'm having several activities in my application. and flow is very complicated. When I click the Logout application navigates to login Screen and from there user can exit by cancel button (calling system.exit(0) )
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