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What is the ellipsis (…) for in this method signature?
...nside the method is as if it were an array:
public void PrintWithEllipsis(String...setOfStrings) {
for (String s : setOfStrings)
System.out.println(s);
}
This method can be called as following:
obj.PrintWithEllipsis(); // prints nothing
obj.PrintWithEllipsis("first"); // prints "firs...
Append values to a set in Python
...
If you add a string with update, it will add one item per character in your string because it's an iterable!
– hgolov
Feb 7 '18 at 9:56
...
Add leading zeroes/0's to existing Excel values to certain length
... were truncated as numbers when, in fact, they should have been handled as strings. I need to clean up the data and add the leading zeros back in.
...
How do I get the logfile from an Android device?
...eDateFormat df = new SimpleDateFormat("yyyy-MM-dd", Locale.ITALY);
String fullName = df.format(datum)+"appLog.log";
File file = new File (Environment.getExternalStorageDirectory(), fullName);
//clears a file
if(file.exists()){
file.delete();
}
...
Options for initializing a string array [duplicate]
What options do I have when initializing string[] object?
4 Answers
4
...
Android Writing Logs to text File
...
Hope this can help...
public void appendLog(String text)
{
File logFile = new File("sdcard/log.file");
if (!logFile.exists())
{
try
{
logFile.createNewFile();
}
catch (IOException e)
{
// TODO Auto-genera...
How to run a class from Jar which is not the Main-Class in its Manifest file
...lass.
Example:
public class Dispatcher{
private static final Map<String, Class<?>> ENTRY_POINTS =
new HashMap<String, Class<?>>();
static{
ENTRY_POINTS.put("foo", Foo.class);
ENTRY_POINTS.put("bar", Bar.class);
ENTRY_POINTS.put("baz"...
How to turn on front flash light programmatically in Android?
... android:protectionLevel="normal"
android:label="@string/permlab_flashlight"
android:description="@string/permdesc_flashlight" />
Then make use of Camera and set Camera.Parameters. The main parameter used here is FLASH_MODE_TORCH.
eg.
Code Snippet to tur...
How to get the current date/time in Java [duplicate]
...at YYYY.MM.DD-HH.MM.SS (very frequent case) then here's the way to do it:
String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(Calendar.getInstance().getTime());
share
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improve this ...
Retrieve a Fragment from a ViewPager
...ersion.
The method thats recreated for this solution is
private static String makeFragmentName(int viewId, long id) {
return "android:switcher:" + viewId + ":" + id;
}
A HAPPY PATH: ViewPager.instantiateItem()
A similar approach to getItem() above but non-lifecycle-breaking is to this is ...