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Add a new column to existing table in a migration
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644
To create a migration, you may use the migrate:make command on the Artisan CLI. Use a specific...
Autolayout - intrinsic size of UIButton does not include title insets
...ut uses half that value. So to get a -20 point left inset, you must use a -40 point left inset value in Interface Builder.
So you provide a big enough left content inset to create space for both the desired left inset and the inner padding between the icon and the text, and then shift the icon lef...
How can I generate Unix timestamps?
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493
In Linux or MacOS you can use:
date +%s
where
+%s, seconds since 1970-01-01 00:00:00 UTC...
What is a race condition?
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LehaneLehane
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How to use Elasticsearch with MongoDB?
..." to index MongoDB for use in a NodeJS, Express app on a fresh EC2 Ubuntu 14.04 instance.
Make sure everything is up to date.
sudo apt-get update
Install NodeJS.
sudo apt-get install nodejs
sudo apt-get install npm
Install MongoDB - These steps are straight from MongoDB docs.
Choose whatever ...
How does Dijkstra's Algorithm and A-Star compare?
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@MennoGouw: Yes Dijkstra's algorithm was developed first; but it is a special case of the more general algorithm A*. It is not at all unusu...
GCC dump preprocessor defines
... selbie
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answered Feb 8 '10 at 19:42
philantphilant
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Changing element style attribute dynamically using JavaScript
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answered Mar 4 '11 at 8:55
David HedlundDavid Hedlund
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Why do we need private subnet in VPC?
There are 4 scenarios in AWS VPC configure. But let's look at these two:
4 Answers
4...
Get Image size WITHOUT loading image into memory
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64
As the comments allude, PIL does not load the image into memory when calling .open. Looking at t...