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Simplest two-way encryption using PHP
.... OpenSSL receives patches as soon as any vulnerability is discovered, big or small.
– Greg
Sep 7 '16 at 8:49
6
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Using the scrollwheel in GNU screen
...:te@
Where "xterm*" is a glob match of your current TERM. To confirm it works, ^A^D to detach from your screen, then screen -d -r to reattach, then ls a few times, and try to scroll back. It works for me.
What is this magic? Well, let's consult the manual pages.
screen(1) says:
termcapinfo t...
What is the equivalent of “!=” in Excel VBA?
The problem is that != does not work as a function in excel vba.
4 Answers
4
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Python Empty Generator Function
In python, one can easily define an iterator function, by putting the yield keyword in the function's body, such as:
9 Answ...
HTML5 Email Validation
It is said "With HTML5, we need no more js or a server side code to check if the user's input is a valid email or url address"
...
Detect & Record Audio in Python
...re audio clips as WAV files that I can then pass to another bit of python for processing. The problem is that I need to determine when there is audio present and then record it, stop when it goes silent and then pass that file to the processing module.
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Print a string as hex bytes?
I have this string: Hello world !! and I want to print it using Python as 48:65:6c:6c:6f:20:77:6f:72:6c:64:20:21:21 .
13...
Override setter with arc
Did I correctly override the setter when ARC is enabled?
3 Answers
3
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Will iOS launch my app into the background if it was force-quit by the user?
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UPDATE2:
You can achieve this using the new PushKit framework, introduced in iOS 8. Though PushKit is used for VoIP. So your usage should be for VoIP related otherwise there is risk of app rejection. (See this answer).
UDPDATE1:
The documentation has been clarified for iOS8. The...
Stop handler.postDelayed()
...:
Handler handler = new Handler()
handler.postDelayed(new Runnable())
Or you can use:
handler.removeCallbacksAndMessages(null);
Docs
public final void removeCallbacksAndMessages (Object token)
Added in API level 1 Remove any pending posts of callbacks and sent
messages whose obj ...