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Read specific columns from a csv file with csv module?
I'm trying to parse through a csv file and extract the data from only specific columns.
11 Answers
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How to show a confirm message before delete?
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brilliant answer! short,precise and works efficiently
– John
Feb 21 at 8:47
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How to alter a column and change the default value?
I got the following error while trying to alter a column's data type and setting a new default value:
7 Answers
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Only detect click event on pseudo-element
...em, you can only bind to their parent elements.
If you must have a click handler on the red region only, you have to make a child element, like a span, place it right after the opening <p> tag, apply styles to p span instead of p:before, and bind to it.
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Is $(document).ready necessary?
...odular code to use the document.ready event. Do you really want to go back and debug old code if you reuse it elsewhere?
off-topic:
As a side note: you should use jQuery(function($){...}); instead of $(document).ready(function(){...}); as it forces the alias to $.
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How to serialize an object into a string
I am able to serialize an object into a file and then restore it again as is shown in the next code snippet. I would like to serialize the object into a string and store into a database instead. Can anyone help me?
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Truncating long strings with CSS: feasible yet?
Is there any good way of truncating text with plain HTML and CSS, so that dynamic content can fit in a fixed-width-and-height layout?
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How can I scan barcodes on iOS?
How can I simply scan barcodes on iPhone and/or iPad?
19 Answers
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Java ArrayList how to add elements at the beginning
...add the element at the beginning of the array (so it has the lowest index) and if the array has 10 elements adding a new results in deleting the oldest element (the one with the highest index).
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Painless way to install a new version of R?
Andrew Gelman recently lamented the lack of an easy upgrade process for R (probably more relevant on Windows than Linux). Does anyone have a good trick for doing the upgrade, from installing the software to copying all the settings/packages over?
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