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Automatically capture output of last command into a variable using Bash?
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This is a really hacky solution, but it seems to mostly work some of the time. During testing, I noted it sometimes didn't work very well when getting a ^C on the command line, though I did tweak it a bit to behave a bit better.
This hack is an interactive m...
How to map and remove nil values in Ruby
I have a map which either changes a value or sets it to nil. I then want to remove the nil entries from the list. The list doesn't need to be kept.
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JavaScript: filter() for Objects
...e. Things will break. You're extending all object types, including object literals.
Here's a quick example you can try:
// Extend Object.prototype
Object.prototype.extended = "I'm everywhere!";
// See the result
alert( {}.extended ); // "I'm everywhere!"
alert( [].extended ); ...
Get class name of object as string in Swift
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Foo().otherTypeName // = "Foo"
Foo.typeName // = "Foo"
Tested with class, struct and enum.
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How to generate an entity-relationship (ER) diagram using Oracle SQL Developer
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Create a diagram for existing database schema or its subset as follows:
Click File → Data Modeler → Import → Data Dictionary.
Select a DB connection (add one if none).
Click Next.
Check one or more schema names.
Click Next.
Check one or more objects to import.
Click...
Sending files using POST with HttpURLConnection
...e the HttpURLConnection class, I was wondering if anyone can provide me with a good example on how to send a bitmap "file" (actually an in-memory stream) via POST to an Apache HTTP server. I'm not interested in cookies or authentication or anything complicated, but I just want to have a reliable a...
UIButton: Making the hit area larger than the default hit area
I have a question dealing with UIButton and its hit area. I am using the Info Dark button in interface builder, but I am finding that the hit area is not large enough for some people's fingers.
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C# properties: how to use custom set property without private field?
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Once you want to do anything custom in either the getter or the setter you cannot use auto properties anymore.
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How can I get a list of all functions stored in the database of a particular schema in PostgreSQL?
...formation.
To see the query that's used internally connect to a database with psql and supply an extra "-E" (or "--echo-hidden") option and then execute the above command.
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Generate random numbers with a given (numerical) distribution
I have a file with some probabilities for different values e.g.:
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