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How to show a dialog to confirm that the user wishes to exit an Android Activity?
...n be cumbersome. I changed it slightly to make it 3 seconds and it seems a bit more natural with that marker. Thanks for the post.
– PGMacDesign
Jun 1 '15 at 22:09
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How to find if a given key exists in a C++ std::map
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C++17 simplified this a bit more with an If statement with initializer.
This way you can have your cake and eat it too.
if ( auto it{ m.find( "key" ) }; it != std::end( m ) )
{
// Use `structured binding` to get the key
// and value.
a...
Setting DEBUG = False causes 500 Error
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Wow - this bit us hard. It really sucks that this setting is buried in the docs. Our production site wouldn't work with DEBUG = False. Thank you for pointing this out!!!
– shreddd
Mar 28 '13 at 6:4...
UIStatusBarStyle PreferredStatusBarStyle does not work on iOS 7
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I may be coming to this a bit late, but incase anyone else is looking for a working and verified app wide solution.
@mxcl is correct in describing why this is happening. In order to correct it, we simply create an extension (or category in obj-c) th...
How to make a background 20% transparent on Android
...tage value is 80% (this is 100-20=80)
The range for the alpha channel is 8 bits (2^8=256), meaning the range goes from 0 to 255.
Project the opaque percentage into the alpha range, that is, multiply the range (255) by the percentage. In this example 255 * 0.8 = 204. Round to the nearest integer if n...
Create an empty data.frame
...additions of rows having columns of different types.
This method is just a bit safer in the sense that you'll have the correct column types from the beginning, hence if your code relies on some column type checking, it will work even with a data.frame with zero rows.
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python's re: return True if string contains regex pattern
...;>> word = 'ba|'; regexp.search(word) <_sre.SRE_Match object at 0x101030b28> . You can drop all the pipe symbols.
– radtek
Jan 27 '17 at 14:51
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Using CookieContainer with WebClient class
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Justin GrantJustin Grant
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How to debug PDO database queries?
... bugs.php.net/bug.php?id=52384 fixed in 7.1 you can see the values :) bit late but it's php
– Sander Visser
Sep 21 '16 at 8:38
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File is universal (three slices), but it does not contain a(n) ARMv7-s slice error for static librar
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In my case, I was linking to a third-party library that was a bit old (developed for iOS 6, on XCode 5 / iOS 7). Therefore, I had to update the third-party library