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What is causing “Unable to allocate memory for pool” in PHP?
...like Wordpress, but never encountered "Unable to allocate memory for pool" and having trouble tracking down any information.
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Equivalent of LIMIT and OFFSET for SQL Server?
In PostgreSQL there is the Limit and Offset keywords which will allow very easy pagination of result sets.
16 Answers
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jQuery `.is(“:visible”)` not working in Chrome
...greater than zero.
In other words, an element must have a non-zero width and height to consume space and be visible.
Elements with visibility: hidden or opacity: 0 are considered visible,
since they still consume space in the layout.
On the other hand, even if its visibility is set to hidd...
Is Unit Testing worth the effort? [closed]
... integrate unit testing into the development process on the team I work on and there are some sceptics. What are some good ways to convince the sceptical developers on the team of the value of Unit Testing? In my specific case we would be adding Unit Tests as we add functionality or fixed bugs. Unfo...
Detecting touch screen devices with Javascript
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+1 for doing hover and click both. One other way could be using CSS media queries and using some styles only for smaller screens / mobile devices, which are the ones most likely to have touch / tap functionality. So if you have some specific st...
What does this symbol mean in JavaScript?
This is a collection of questions that come up every now and then about syntax in JavaScript. This is also a Community Wiki, so everyone is invited to participate in maintaining this list.
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How to upgrade Eclipse for Java EE Developers?
...elp > Check for updates.
After the installation, Eclipse will restart and show the old splash screen. Next time you manually stop/start Eclipse it will correctly show the correct splash screen.
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what’s the difference between Expires and Cache-Control headers?
What’s the difference between Expires and Cache-Control headers?
7 Answers
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SQLAlchemy: Creating vs. Reusing a Session
...on_commit=False) anytime you needed a new Session, except that its verbose and redundant, and I wanted to stop the proliferation of small-scale "helpers" that each approached the issue of this redundancy in some new and more confusing way.
So sessionmaker() is just a tool to help you create Session...
Convert pandas dataframe to NumPy array
I am interested in knowing how to convert a pandas dataframe into a NumPy array.
15 Answers
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