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How to use putExtra() and getExtra() for string data
...een.this, SecondScreen.class);
String strName = null;
i.putExtra("STRING_I_NEED", strName);
Then, to retrieve the value try something like:
String newString;
if (savedInstanceState == null) {
Bundle extras = getIntent().getExtras();
if(extras == null) {
newString= null;
} e...
What's the role of adapters in Android?
...; adapter = new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, android.R.id.text1, values);
First parameter: Context
Second parameter: Layout for the row
Third parameter: ID of the TextView to which the data is written
Fourth parameter: The array of data
...
How to interpolate variables in strings in JavaScript, without concatenation?
...ible in javascript. You would have to resort to:
var hello = "foo";
var my_string = "I pity the " + hello;
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Difference between std::system_clock and std::steady_clock?
...11.7.1 [time.clock.system]/1:
Objects of class system_clock represent wall clock time from the system-wide realtime clock.
20.11.7.2 [time.clock.steady]/1:
Objects of class steady_clock represent clocks for which values of time_point never decrease as physical time advances and for which v...
How do I change the default port (9000) that Play uses when I execute the “run” command?
... file I created a file in the distributable root directory called: {PROJECT_NAME}_config.txt and added:
-Dhttp.port=8080
Where {PROJECT_NAME} should be replaced with the name of your project. Then started the {PROJECT_NAME}.bat script as usual in the bin\ directory.
...
Very large matrices using Python and NumPy
...ssing the data as a NumPy recarray again is as simple as:
data = table[row_from:row_to]
The HDF library takes care of reading in the relevant chunks of data and converting to NumPy.
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How to add an image to a JPanel?
...e image according to the size of the JLabel?
– coding_idiot
Dec 7 '11 at 14:26
1
Nice code! I'm n...
Deleting Row in SQLite in Android
... and I can't seem to figure this out. I have 1 table that has columns KEY_ROWID , KEY_NAME , KAY_LATITUDE , and KEY_LONGITUDE . I want the user to be able to select one and delete it; Can anyone give me a direction to start in? My question is in the actual deletion of the row given only its n...
Gradle, Android and the ANDROID_HOME SDK location
...
I've solved the problem. This works for me:
In
/my_current_project/
I've created a file called local.properties and put inside
sdk.dir=/my_current_path_to/sdk
In the console I need to do
set ANDROID_HOME=/my_current_path_to/sdk
Hope this helps.
...
Ship an application with a database
... for creating and updating databases.
One is to create a database externally, then place it in the assets folder of the project and then copy the entire database from there. This is much quicker if the database has a lot of tables and other components. Upgrades are triggered by changing the dat...