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Is it a bad practice to catch Throwable?
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There are situations where catching Error and continue is appropriate. Ex: In a servlet, if you enconter an OutOfMemoryError because a specific request happen to eat all the memory, you can try to continue since the objects will be GC after the request is handled. Same goes for an a...
Renaming a branch in GitHub
...leting the old? I personally prefer processes where the delete operation happens after the create operation is successful, just in case something goes wrong.
– jmort253
Feb 16 '15 at 9:01
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FileNotFoundException while getting the InputStream object from HttpURLConnection
...Url in java).
The content of the request is xml and at the end point, the application processes the xml and stores a record to the database and then sends back a response in form of xml string. The app is hosted on apache-tomcat locally.
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Can “this” ever be null in Java?
...like foo.bar() would be thrown when foo is discovered to be null. it does happen before entering the method, but the real story is that there is no method to attempt to call.
– Claudiu
Sep 24 '10 at 17:34
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Get OS-level system information
I'm currently building a Java app that could end up being run on many different platforms, but primarily variants of Solaris, Linux and Windows.
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What is the best way to conditionally apply a class?
...Please note the old syntax with colon.
There is also a new better way of applying classes conditionally, like:
ng-class="{selected: $index==selectedIndex}"
Angular now supports expressions that return an object. Each property (name) of this object is now considered as a class name and is applie...
How to set default values in Rails?
...use the same default to be set in any model using it in any standard Rails app.
However, if you only want default values set in specific cases -- say, it's an inherited model that shares a table with some others -- then another elegant way is do it directly in your Rails code when the model object ...
passing argument to DialogFragment
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See the full example here
http://developer.android.com/reference/android/app/DialogFragment.html
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PostgreSQL - how to quickly drop a user with existing privileges
I'm trying to make restricted DB users for the app I'm working on, and I want to drop the Postgres database user I'm using for experimenting. Is there any way to drop the user without having to revoke all his rights manually first, or revoke all the grants a user has?
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How can I make the cursor turn to the wait cursor?
I have a C# application that has users login to it, and because the hashing algorithm is expensive, it takes a little while to do. How can I display the Wait/Busy Cursor (usually the hourglass) to the user to let them know the program is doing something?
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