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Determine if Android app is being used for the first time
...t is the "First time" the app is launched.
Just use a Boolean variable ("my_first_time") and change its value to false when your task for "first time" is over.
This is my code to catch the first time you open the app:
final String PREFS_NAME = "MyPrefsFile";
SharedPreferences settings = getShared...
Detecting when the 'back' button is pressed on a navbar
...(the NavigationController) with the help of willMoveToParentViewController(_:) OR didMoveToParentViewController()
If parent is nil, the view controller is being popped off the navigation stack and dismissed. If parent is not nil, it is being added to the stack and presented.
// Objective-C
-(void...
Get controller and action name from within controller?
... edited Apr 30 '14 at 17:02
L_7337
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answered Aug 15 '13 at 8:06
An...
What is the difference between JavaConverters and JavaConversions in Scala?
...onversions in Scala are Scope based so if you don't import JavaConversions._, conversions will not occur so you have the control on what is converted. If you place the import the right way (only when needed), you have full control on where the conversion is done.
– David
...
How to programmatically set drawableLeft on Android button?
...he button:
val drawable = ContextCompat.getDrawable(context, R.drawable.ic_favorite_white_16dp)
button.setCompoundDrawablesWithIntrinsicBounds(drawable, null, null, null)
.
• Important Point in Using Android Vector Drawable
When you are using an android vector drawable and want to have backwa...
PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
...ou have already determined a unique login for your user):
md5(uniqid($your_user_login, true))
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Change Oracle port from port 8080
...<enter password if will not be visible>
Connected.
SQL> Exec DBMS_XDB.SETHTTPPORT(3010); [Assuming you want to have HTTP going to this port]
PL/SQL procedure successfully completed.
SQL>quit
then open browser and use 3010 port.
...
What is TypeScript and why would I use it in place of JavaScript? [closed]
...since ES2015, this may actually exists during runtime as a variable called _this (see this answer). This may confuse you during debugging but generally is not a problem if you know about it or inspect the JavaScript code. It should be noted that Babel suffers the exact same kind of issue.
There are ...
Why does this Java code compile?
...lps us again, these are JVM instruction generated for this code:
0: iconst_1 //load constant to stack
1: dup //duplicate it
2: istore_1 //set x to constant
3: istore_1 //set x to constant
more like:
int x = 1;
x = 1;
Here is no reason to throw undefined reference error. There ...
Removing path and extension from filename in powershell
...ng results.
strTestPath = C:\Users\DAG\Documents\Articles_2018\NTFS_File_Times_in_CMD\PathStringInfo.ps1
GetDirectoryName = C:\Users\DAG\Documents\Articles_2018\NTFS_File_Times_in_CMD
GetFileName = PathStringInfo.ps1
GetExtension = .ps1
Get...