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How to refresh Android listview?
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Call notifyDataSetChanged() on your Adapter object once you've modified the data in that adapter.
Some additional specifics on how/when to call notifyDataSetChanged() can be viewed in this Google I/O video.
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How to create enum like type in TypeScript?
... a type. For example:
let foo: 'Hello';
Here we have created a variable called foo that will only allow the literal value 'Hello' to be assigned to it. This is demonstrated below:
let foo: 'Hello';
foo = 'Bar'; // Error: "Bar" is not assignable to type "Hello"
They are not very useful on their...
Detect if stdin is a terminal or pipe?
...e)) {
int err = PyRun_InteractiveLoopFlags(fp, filename, flags);
calls Py_FdIsInteractive()
/*
* The file descriptor fd is considered ``interactive'' if either
* a) isatty(fd) is TRUE, or
* b) the -i flag was given, and the filename associated with
* the descriptor is NULL or...
How to trigger HTML button when you press Enter in textbox?
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First of all add jquery library file jquery and call it in your html head.
and then Use jquery based code...
$("#id_of_textbox").keyup(function(event){
if(event.keyCode == 13){
$("#id_of_button").click();
}
});
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SQL Server - copy stored procedures from one db to another
..." (Get-Date)
$srv.ConnectionContext.Disconnect()
I have a .bat file that calls this, and is called from Task Scheduler. After the call to the Powershell file, I have:
for /f %f in ('dir /b d:\prod_schema_backup\stp\') do sqlcmd /S localhost /d dest_db /Q "DROP PROCEDURE %f"
That line will go t...
Laravel Eloquent Sum of relation's column
...ggregate functions to database queries, but products->sum implies it is call sum on a collection object, rather than on the builder object returned by products(). It's worth clarifying which one you mean here, and ideally provide a link to explain both.
– Benubird
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what's the correct way to send a file from REST web service to client?
... //otherwise it can be removed
//let's say your file is called "object"
response.setContentLength((int) object.getContentLength());
response.setHeader("Content-Disposition", "attachment; filename="
+ object.getName());
ServletOutputStream ou...
Could you explain STA and MTA?
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The COM threading model is called an "apartment" model, where the execution context of initialized COM objects is associated with either a single thread (Single Thread Apartment) or many threads (Multi Thread Apartment). In this model, a COM object, on...
How do you redirect to a page using the POST verb?
When you call RedirectToAction within a controller, it automatically redirects using an HTTP GET. How do I explicitly tell it to use an HTTP POST?
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Explain ExtJS 4 event handling
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It's worth mentioning that the best place for inserting addEvents method call is widget's initComponent method when you are defining new widget:
Ext.define('MyCustomButton', {
extend: 'Ext.button.Button',
// ... other configs,
initComponent: function(){
this.addEvents('myspecialevent1',...