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What is the difference between ExecuteScalar, ExecuteReader and ExecuteNonQuery?
... result is the first column of the first row. An example might be SELECT @@IDENTITY AS 'Identity'.
ExecuteReader is used for any result set with multiple rows/columns (e.g., SELECT col1, col2 from sometable).
ExecuteNonQuery is typically used for SQL statements without results (e.g., UPDATE, INSERT,...
changing source on html5 video tag
i'm trying to build a video player, that works everywhere. so far i'd be going with:
16 Answers
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How to handle code when app is killed by swiping in android?
...r listeners, how can i do that? I read quite a few articles and blogs but didn't get any useful information and I haven't found any documentation about it.
Any help would be appreciated.
Thanks in advance.
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How to show soft-keyboard when edittext is focused
...yboard to appear, you can use
EditText yourEditText= (EditText) findViewById(R.id.yourEditText);
yourEditText.requestFocus();
InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
imm.showSoftInput(yourEditText, InputMethodManager.SHOW_IMPLICIT);
And for re...
Spring @Transaction method call by the method within the same class, does not work?
... new to Spring Transaction. Something that I found really odd, probably I did understand this properly.
8 Answers
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How to handle back button in activity
...
You can handle it like this:
for API level 5 and greater
@Override
public void onBackPressed() {
// your code.
}
older than API 5
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
// your code
return true;...
Filter by process/PID in Wireshark
... a way to filter/follow a TCP / SSL stream based on a particular process ID using Wireshark ?
11 Answers
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How to create our own Listener interface in android?
...{
// you can define any parameter as per your requirement
public void callback(View view, String result);
}
In your activity, implement the interface:
MyActivity.java:
public class MyActivity extends Activity implements MyListener {
@override
public void onCreate(){
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Getting attribute using XPath
...
Thanks! This solved a similar problem I had with a data attribute inside a Div.
<div id="prop_sample" data-want="data I want">data I do not want</div>
Use this xpath: //*[@id="prop_sample"]/@data-want
Hope this helps someone else!
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Switching between Android Navigation Drawer image and Up caret when using fragments
When using the Navigation Drawer the Android devs are recommending that in the ActionBar "only those screens that are represented in the Navigation Drawer should actually have the Navigation Drawer image" and that "all other screens have the traditional up carat."
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