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Java enum - why use toString instead of name
...re the enum constant, you should use name() as toString may have been overriden
If you want to print the enum constant in a user friendly way, you should use toString which may have been overriden (or not!).
When I feel that it might be confusing, I provide a more specific getXXX method, for examp...
How to implement a unique index on two columns in rails
... I am having weird problem after using this. Not able to run any new migration using rake db:migrate. Only able to run migration using version number rake db:migrate:up VERSION=20180411062714 one file at a time. I already had data on the table on which I did unique true on two column.
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App Inventor 2 CustomWebView 拓展：高级版Web浏览器，完美浏览现代Web前...
...age,defaultValue)
Event raised when JavaScript needs input from user
OnNewWindowRequest(id,isDialog,isPopup)
Event raised when new window is requested by webview with boolean ‘isDialog’ and ‘isPopup’
OnPermissionRequest(permissionsList)
Event raised when a website asks for specific...
How can I interrupt a ServerSocket accept() method?
...ing) loop which calls accept() on my ServerSocket object, then starts a new client thread and adds it to a Collection when a new client is accepted.
...
android.widget.Switch - on/off event listener?
...recommend the OnCheckedChangeListener
mySwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
// do something, the isChecked will be
// true if the switch is in the On positio...
Visual Studio Solutions Folder as real Folders
...
There is a workaround, that actually behaves as expected.
Add a New or Existing Web Site to the Solution. (I usually create a new one.)
Just make sure it's created inside your solution folder. (I sometimes even create a "link" to an external folder, e.g. 'Docs' or 'Marketing' on a network...
How to convert image to byte array
...byte[] ImageToByteArray(System.Drawing.Image imageIn)
{
using (var ms = new MemoryStream())
{
imageIn.Save(ms,imageIn.RawFormat);
return ms.ToArray();
}
}
C# Image to Byte Array and Byte Array to Image Converter Class
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MPICH vs OpenMPI
... launcher daemons, and MPI Library, because a user may launch jobs using a newer version of the MPI launcher than the launcher daemons in the container support. Without careful attention to launcher interface stability, container jobs will not launch unless the versions of each component of the lau...
How to convert int[] into List in Java?
...e a utility method.
int[] ints = {1, 2, 3};
List<Integer> intList = new ArrayList<Integer>(ints.length);
for (int i : ints)
{
intList.add(i);
}
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How to create and handle composite primary key in JPA
... retrieved from provider, change the key of Entry and then persist it as a new entity.
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