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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...
Parse DateTime string in JavaScript
... format does not match the format required by developer.mozilla.org/en/Core_JavaScript_1.5_Reference/… (and thus that Date constructor will not suffice)
– Jonathan Fingland
Oct 16 '09 at 8:20
...
How to set a Fragment tag by code?
...ager().beginTransaction()
.replace(R.id.MainFrameLayout,fragmentA,"YOUR_TARGET_FRAGMENT_TAG")
.addToBackStack("YOUR_SOURCE_FRAGMENT_TAG").commit();
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Wait until a process ends
...Responding that went to false after closing the window like that:
while (!_process.HasExited && _process.Responding) {
Thread.Sleep(100);
}
...
Perhaps this helps someone.
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impro...
^M at the end of every line in vim
...
" then you can do: Dos2Unix
" dos2unix ^M
fun! Dos2unixFunction()
let _s=@/
let l = line(".")
let c = col(".")
try
set ff=unix
w!
"%s/\%x0d$//e
catch /E32:/
echo "Sorry, first save the file."
endtry
let @/=_s
call cursor(l, c)
endfun
c...
How to use glOrtho() in OpenGL?
...using the following code every time the window is resized:
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0.0f, windowWidth, windowHeight, 0.0f, 0.0f, 1.0f);
This will remap the OpenGL coordinates into the equivalent pixel values (X going from 0 to windowWidth and Y going from 0 to window...
How to view files in binary from bash?
...utput to an ASCII text file for perusing & searching: xxd file > hex_dump_of_file.txt
– Gabriel Staples
Jan 31 '19 at 0:32
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How to pass table value parameters to stored procedure from .net code
...to work with it. Assuming your table is a list of integers called "dbo.tvp_Int" (Customize for your own table type)
Create this extension method...
public static void AddWithValue_Tvp_Int(this SqlParameterCollection paramCollection, string parameterName, List<int> data)
{
if(paramCollect...
Installing R with Homebrew
...--with-java" and "--with-openblas" options?
– chang02_23
Oct 24 '18 at 17:26
@chang02_23 No, by default it is not. The...