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grant remote access of MySQL database from any IP address
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TO 'user'@'%'
% is a wildcard - you can also do '%.domain.com' or '%.123.123.123' and things like that if you need.
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What are the main purposes of using std::forward and which problems it solves?
In perfect forwarding, std::forward is used to convert the named rvalue references t1 and t2 to unnamed rvalue references. What is the purpose of doing that? How would that affect the called function inner if we leave t1 & t2 as lvalues?
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Using the scrollwheel in GNU screen
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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...
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 .
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Android: Getting a file URI from a content URI?
...to select an audio file which the app then handles. The problem is that in order for the app to do what I want it to do with the audio files, I need the URI to be in file format. When I use Android's native music player to browse for the audio file in the app, the URI is a content URI, which looks l...
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...
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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Shell one liner to prepend to a file
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The hack below was a quick off-the-cuff answer which worked and received lots of upvotes. Then, as the question became more popular and more time passed, outraged people started reporting that it sorta worked but weird things could happen, or it just didn't work at all, so it wa...
How do you use a variable in a regular expression?
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If you need to use an expression like /\/word\:\w*$/, be sure to escape your backslashes: new RegExp( '\\/word\\:\\w*$' ).
– Jonathan Swinney
Nov 9 '10 at 23:04
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How to increase the max upload file size in ASP.NET?
I have a form that excepts a file upload in ASP.NET. I need to increase the max upload size to above the 4 MB default.
15 A...
