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How do I find Waldo with Mathematica?
This was bugging me over the weekend: What is a good way to solve those Where's Waldo? [ 'Wally' outside of North America] puzzles, using Mathematica (image-processing and other functionality)?
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Understanding the difference between Object.create() and new SomeFunction()
...ly stumbled upon the Object.create() method in JavaScript, and am trying to deduce how it is different from creating a new instance of an object with new SomeFunction() , and when you would want to use one over the other.
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How to override Backbone.sync?
I'm trying out Backbone.js, and one of the things I'm trying is to make a call to a remote API, so I need to be able to override Backbone.sync, as I understand the documentation .
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How do I directly modify a Google Chrome Extension File? (.CRX)
... file type is CRX. It is essentially a compression format. So if you want to see what is behind an extension, the scripts and the code, just change the file-type from “CRX” to “ZIP” .
Unzip the file and you will get all the info you need. This way you can see the guts, learn how to write an...
When should I create a destructor?
...nly believe about finalization.
When should I manually create a destructor?
Almost never.
Typically one only creates a destructor when your class is holding on to some expensive unmanaged resource that must be cleaned up when the object goes away. It is better to use the disposable pattern ...
How to export and import a .sql file from command line with options? [duplicate]
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Type the following command to import sql data file:
$ mysql -u username -p -h localhost DATA-BASE-NAME < data.sql
In this example, import 'data.sql' file into 'blog' database using vivek as username:
$ mysql -u vivek -p -h localhost blog < da...
PHP $_SERVER['HTTP_HOST'] vs. $_SERVER['SERVER_NAME'], am I understanding the man pages correctly?
...nd also read the PHP $_SERVER docs . Do I have this right regarding which to use for my PHP scripts for simple link definitions used throughout my site?
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Git diff says subproject is dirty
...reas previously it would only be the case if HEAD in the submodule pointed to the wrong commit.
The meaning of the plus sign (+) in the output of git submodule has changed, and the first time that you come across this it takes a little while to figure out what’s going wrong, for example by l...
Calling C/C++ from Python?
What would be the quickest way to construct a Python binding to a C or C++ library?
16 Answers
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What is the best way to repeatedly execute a function every x seconds?
I want to repeatedly execute a function in Python every 60 seconds forever (just like an NSTimer in Objective C). This code will run as a daemon and is effectively like calling the python script every minute using a cron, but without requiring that to be set up by the user.
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