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Update date + one year in mysql
When I want setting numerical value +1 in mysql table, I use e.g.:
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How do you know when to use fold-left and when to use fold-right?
I'm aware that fold-left produces left-leaning trees and fold-right produces right-leaning trees, but when I reach for a fold, I sometimes find myself getting bogged down in headache-inducing thought trying to determine which kind of fold is appropriate. I usually end up unwinding the entire proble...
What does an Asterisk (*) do in a CSS selector?
I found this CSS code and I ran it to see what it does and it outlined EVERY element on the page,
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How to delete a folder and all contents using a bat file in windows?
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Assigning a variable NaN in python without numpy
Most languages have a NaN constant you can use to assign a variable the value NaN. Can python do this without using numpy?
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iTerm2: How to expand split pane temporarily?
Is there a way to temporarily expand a split pane into full tab and go back again when done?
I am looking for a keyboard shortcut to do so. The use case is to be able to temporarily switch to full-screen on demand.
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Java packages com and org
What are the meaning of the packages org and com in Java?
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Erratic hole type resolution
I recently found out that type holes combined with pattern matching on proofs provides a pretty nice Agda-like experience in Haskell. For example:
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Using helpers in model: how do I include helper dependencies?
...iting a model that handles user input from a text area. Following the advice from http://blog.caboo.se/articles/2008/8/25/sanitize-your-users-html-input , I'm cleaning up the input in the model before saving to database, using the before_validate callback.
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Create a variable name with “paste” in R?
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