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Add timestamps to an existing table
...pecified above, Rails will still treat these columns as timestamp columns, and update the values normally.
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Downloading a picture via urllib and python
So I'm trying to make a Python script that downloads webcomics and puts them in a folder on my desktop. I've found a few similar programs on here that do something similar, but nothing quite like what I need. The one that I found most similar is right here ( http://bytes.com/topic/python/answers/8...
Member '' cannot be accessed with an instance reference
I am getting into C# and I am having this issue:
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What is the difference between the WPF TextBlock element and Label control? [duplicate]
...he downside of using a textblock is no support for Access/Accerelator Keys and there is no link to other controls as target.
When you want to display text by itself use the TextBlock. The benefit is a light, performant way to display text.
When you want to associate text with another control like ...
How can I convert a Unix timestamp to DateTime and vice versa?
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Time in Windows is handled by HAL and only close-to-accurate within 1ms to 15ms. More info is available in Windows Internals around page 112, if anyone is interested.
– Jim Schubert
Apr 13 '12 at 14:59
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Find a value in an array of objects in Javascript [duplicate]
...have an array of unnamed objects, which contain an array of named objects, and I need to get the object where "name" is "string 1". Here is an example array.
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Check whether user has a Chrome extension installed
I am in the process of building a Chrome extension, and for the whole thing to work the way I would like it to, I need an external JavaScript script to be able to detect if a user has my extension installed.
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How to convert a SVG to a PNG with ImageMagick?
... ImageMagick in this instance, but Inkscape does a nice job of it on Linux and Windows:
inkscape -z -w 1024 -h 1024 input.svg -e output.png
Edit (May 2020): Inkscape 1.0 users, please note that the command line arguments have changed:
inkscape -w 1024 -h 1024 input.svg --export-filename output.png
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Twitter oAuth callbackUrl - localhost development
...e tip to alternatively use a URL shortener service. Shorten your local URL and provide the result as callback.
Alternative 3.
Furthermore, it seems that it works to provide for example http://127.0.0.1:8080 as callback to Twitter, instead of http://localhost:8080.
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How do I create a dictionary with keys from a list and values defaulting to (say) zero? [duplicate]
I have a = [1,2,3,4] and I want d = {1:0, 2:0, 3:0, 4:0}
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