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What is the proper way to use the node.js postgresql module?
...le would be when opening up a 1-off client to kill some
hung stuff or in command line scripts.
One very helpful thing is to centralize all access to your database in your app to one file. Don't litter pg.connect calls or new clients throughout. Have a file like db.js that looks something like t...
Generate random string/characters in JavaScript
I want a 5 character string composed of characters picked randomly from the set [a-zA-Z0-9] .
77 Answers
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Do I need all three constructors for an Android custom view?
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If you will add your custom View from xml also like :
<com.mypack.MyView
...
/>
you will need the constructor public MyView(Context context, AttributeSet attrs), otherwise you will get an Exception when Android tries to inflate your View.
If you add your View fr...
Detecting programming language from a snippet
...m filters would work very well. You split the snippet into words. Then you compare the occurences of these words with known snippets, and compute the probability that this snippet is written in language X for every language you're interested in.
http://en.wikipedia.org/wiki/Bayesian_spam_filtering
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Python 3 ImportError: No module named 'ConfigParser'
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In Python 3, ConfigParser has been renamed to configparser for PEP 8 compliance. It looks like the package you are installing does not support Python 3.
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How do you upload images to a gist?
...ster than cloning. To drag/drop:
Create the Gist
Drag an image into the comment field below. This will upload your image file and insert the markdown code with the url for your uploaded image.
Copy this markdown and paste it into the file you want to display it.
Live example
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Gulps gulp.watch not triggered for new or deleted files?
...y on the files that have been modified, while gulp.watch only lets you run complete tasks. For a project of a reasonable size, this will quickly become too slow to be useful.
You aren't missing anything. gulp.watch does not work with new or deleted files. It's a simple solution designed for sim...
How can I run code on a background thread on Android?
...pdate the UI
execute (short) code which will take at most a few seconds to complete
THEN use the following clean and efficient pattern which uses AsyncTask:
AsyncTask.execute(new Runnable() {
@Override
public void run() {
//TODO your background code
}
});
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Android Studio quick documentation always “fetching documentation”
...downloaded.
The default link in jdk.table.xml is http://developer.android.com/reference/ (android studio tries to connect to this online server even if the network is blocked).
To solve the problem, we can just redirect the reference to local source.
MacOS
On MacOS, the config file jdk.table.xml...
Different names of JSON property during serialization and deserialization
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