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Double not (!!) operator in PHP
What does the double not operator do in PHP?
6 Answers
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Easiest way to toggle 2 classes in jQuery
If I have class .A and class .B and want to switch in between on button click, what's a nice solution for that in jQuery? I still don't understand how toggleClass() works.
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How to declare or mark a Java method as deprecated?
I would like to make one of my methods "deprecated" = not used anymore.
6 Answers
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HTML entity for the middle dot
...for the html code for the dot. Not the dot that's at the end of sentences but the dot that's used to separate items horizontally.
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How to write PNG image to string with the PIL?
I have generated an image using PIL . How can I save it to a string in memory?
The Image.save() method requires a file.
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Where do you store your salt strings?
I've always used a proper per-entry salt string when hashing passwords for database storage. For my needs, storing the salt in the DB next to the hashed password has always worked fine.
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How to find the statistical mode?
In R, mean() and median() are standard functions which do what you'd expect. mode() tells you the internal storage mode of the object, not the value that occurs the most in its argument. But is there is a standard library function that implements the statistical mode for a vector (or list)?
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Query grants for a table in postgres
How can I query all GRANTS granted to an object in postgres?
7 Answers
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Fragment onCreateView and onActivityCreated called twice
I'm developing an app using Android 4.0 ICS and fragments.
5 Answers
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NPM - How to fix “No readme data”
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Simply adding a README.md file will not fix it, you should write something inside it; at least the project title and a brief description is good for people! But for NPM, one byte may be enough...
Doing so should stop showing the warnings.
Also, when you read that warning, e...