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When should I use UNSIGNED and SIGNED INT in MySQL?
...t). Example with TINYINT:
The sign bit
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1000 0000b = -128d
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1111 1101b = -3d
1111 1110b = -2d
1111 1111b = -1d
0000 0000b = 0d
0000 0001b = 1d
0000 0010b = 2d
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0111 1111b = 127d
share
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Rails params explained?
...e "1" and params[:boo] would be "octopus".
In HTTP/HTML, the params are really just a series of key-value pairs where the key and the value are strings, but Ruby on Rails has a special syntax for making the params be a hash with hashes inside. For example, if the user's browser requested
http://w...
What is DOM Event delegation?
...ame effect.
So what's the benefit?
Imagine you now have a need to dynamically add new <li> items to the above list via DOM manipulation:
var newLi = document.createElement('li');
newLi.innerHTML = 'Four';
myUL.appendChild(newLi);
Without using event delegation you would have to "rebind" t...
How to get full path of a file?
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realpath was committed to the coreutils repo end of 2011, release 8.15 was done in January 2012, I answered the question (with the readlink suggestion) in March 2011 :)
– filmor
Apr 5 '18 at 13:38
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Running multiple AsyncTasks at the same time — not possible?
...ool pattern for running the stuff from doInBackground(). The issue is initially (in early Android OS versions) the pool size was just 1, meaning no parallel computations for a bunch of AsyncTasks. But later they fixed that and now the size is 5, so at most 5 AsyncTasks can run simultaneously. Unfort...
How to convert ASCII code (0-255) to its corresponding character?
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RylandAlmanzaRylandAlmanza
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How can I check if string contains characters & whitespace, not just whitespace?
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answered Mar 9 '15 at 12:01
FullStackFullStack
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ping response “Request timed out.” vs “Destination Host unreachable”
... it mean if you get a mix of both replies?
– user2924019
Nov 16 '16 at 15:56
7
What does it mean ...
Subtract two variables in Bash
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PureferretPureferret
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Do I cast the result of malloc?
... someone suggested in a comment that I should not cast the result of malloc , i.e.
29 Answers
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