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How to avoid reverse engineering of an APK file?
...s no 100% security. But the place to start for Android, that Google has built in, is ProGuard. If you have the option of including shared libraries, you can include the needed code in C++ to verify file sizes, integration,
etc. If you need to add an external native library to your APK's library fold...
How do I delete specific lines in Notepad++?
...
You can use menu Search -> Replace... (Ctrl + H).
It has a regular expression feature for replacing. You can use a regex that matches #region as well as whatever else is on the line, and replace it with empty space.
...
Is there any difference between “foo is None” and “foo == None”?
...tance
Whereas == is ultimately determined by the __eq__() method
i.e.
>>> class Foo(object):
def __eq__(self, other):
return True
>>> f = Foo()
>>> f == None
True
>>> f is None
False
...
Change Screen Orientation programmatically using a Button
...splay display = ((WindowManager) getSystemService(WINDOW_SERVICE)).getDefaultDisplay();
final int orientation = display.getOrientation();
// OR: orientation = getRequestedOrientation(); // inside an Activity
// set the screen orientation on button click
Button btn = (Button) findViewById(R.id.you...
Read only the first line of a file?
...arkAmery went and edited the original question and changed the meaning):
>>> f = open('myfile.txt')
>>> data = f.read()
>>> # I'm assuming you had the above before asking the question
>>> first_line = data.split('\n', 1)[0]
In other words, if you've already rea...
What is the difference between `sorted(list)` vs `list.sort()`?
...e here, we've disproven an older list creation expense myth:
Python 2.7
>>> timeit.repeat("next(shuffled_iter).sort()", setup=setup, number = 1000)
[3.75168503401801, 3.7473005310166627, 3.753129180986434]
>>> timeit.repeat("sorted(next(shuffled_iter))", setup=setup, number = 100...
How to get last inserted row ID from WordPress database?
...
Straight after the $wpdb->insert() that does the insert, do this:
$lastid = $wpdb->insert_id;
More information about how to do things the WordPress way can be found in the WordPress codex. The details above were found here on the wpdb class...
Convert one date format into another in PHP
...ime::createFromFormat('Y-m-d', $dateString);
$newDateString = $myDateTime->format('m/d/Y');
You are first giving it the format $dateString is in. Then you are telling it the format you want $newDateString to be in.
This also avoids the use of strtotime, which can be hard to work with at times....
Java's L number (long) specification
...sary to distinguish between int and long literals, consider:
long l = -1 >>> 1;
versus
int a = -1;
long l = a >>> 1;
Now as you would rightly expect, both code fragments give the same value to variable l. Without being able to distinguish int and long literals, what is the in...
The application may be doing too much work on its main thread
... on android
emulator and the number of frames skipped are fairly small (<100) then
you can take a safe bet of the emulator being slow – which happens
almost all the times. But if the number of frames skipped and large
and in the order of 300+ then there can be some serious trouble with
...