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How do you display a Toast from a background thread on Android?
...d showToast which I can call from anywhere...
public void showToast(final String toast)
{
runOnUiThread(() -> Toast.makeText(MyActivity.this, toast, Toast.LENGTH_SHORT).show());
}
I then most frequently call it from within MyActivity on any thread like this...
showToast(getString(R.string...
How do I store an array in localStorage? [duplicate]
...
localStorage only supports strings. Use JSON.stringify() and JSON.parse().
var names = [];
names[0] = prompt("New member name?");
localStorage.setItem("names", JSON.stringify(names));
//...
var storedNames = JSON.parse(localStorage.getItem("names"));...
What should every programmer know about security? [closed]
...overflows, double-frees, heap overflows, integer related overflows, format strings, etc. Of course there are other things such as logic bugs, but that wasn't the topic of this answer to begin with.
– newgre
Mar 26 '12 at 19:44
...
How to select a node using XPath if sibling node has a specific value?
.../bb[contains(.,'zz')]/../cc/text()
Explanation: Any bb that contains 'zz' string in all the child nodes of bb then going to parent node of that bb using .., now that we can access the cc so returning text.
I hope that explanation isn't complex.
...
How to send an email with Python?
...nvelope header.
s = smtplib.SMTP('localhost')
s.sendmail(me, [you], msg.as_string())
s.quit()
For sending email to multiple destinations, you can also follow the example in the Python documentation:
# Import smtplib for the actual sending function
import smtplib
# Here are the email package modu...
How can I find the length of a number?
...
var x = 1234567;
x.toString().length;
This process will also work forFloat Number and for Exponential number also.
share
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improve this answer...
How can I make gdb save the command history?
...ze is unlimited or if GDBHISTSIZE is either a negative number or the empty string, then the number of commands gdb keeps in the history list is unlimited".
set history size <size>
A related command is set history remove-duplicates <count>. The command is described as "Control the remo...
Android: View.setID(int id) programmatically - how to avoid ID conflicts?
...
According to View documentation
The identifier does not have to be unique in this view's hierarchy. The identifier should be a positive number.
So you can use any positive integer you like, but in this case there can be some views with equivalent id's. If you...
How to split long commands over multiple lines in PowerShell
...
Ah, and if you have a very long string that you want to break up, say of HTML, you can do it by putting a @ on each side of the outer " - like this:
$mystring = @"
Bob
went
to town
to buy
a fat
pig.
"@
You get exactly this:
Bob
went
to town
to buy
a fat...
How do I get the SharedPreferences from a PreferenceActivity in Android?
...er.getDefaultSharedPreferences(this);
// then you use
prefs.getBoolean("keystring", true);
Update
According to Shared Preferences | Android Developer Tutorial (Part 13) by Sai Geetha M N,
Many applications may provide a way to capture user preferences on the
settings of a specific applicati...