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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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How to .gitignore files recursively
...o this answer. It also works for me in Windows 7 using Sourcetree 1.6.12.0 and the version of git that it installs (1.8.4-preview20130916).
To gitignore every file and folder under a directory recursively:
MyPrject/WebApp/Scripts/special/**
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What does it mean for a data structure to be “intrusive”?
I've seen the term intrusive used to describe data structures like lists and stacks, but what does it mean?
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Determine font color based on background color
...display text labels on colorscales/heatmaps. It had to be universal method and generated color had to be "good looking", which means that simple generating complementary color was not good solution - sometimes it generated strange, very intensive colors that were hard to watch and read.
After long ...
Android: alternate layout xml for landscape mode
How can I have one layout for landscape and one for portrait? I want to assume extra width and conserve vertical space when the user rotates the phone over sideways.
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How to join multiple lines of file names into one with custom delimiter?
I would like to join the result of ls -1 into one line and delimit it with whatever i want.
22 Answers
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INotifyPropertyChanged vs. DependencyProperty in ViewModel
... use DependencyProperty for properties the View is going to bind against and I have seen the ViewModel implementing INotifyPropertyChanged instead.
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What is NODE_ENV and how to use it in Express?
...ode application is run, it can check the value of the environment variable and do different things based on the value. NODE_ENV specifically is used (by convention) to state whether a particular environment is a production or a development environment. A common use-case is running additional debuggi...
Is there a concise way to iterate over a stream with indices in Java 8?
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.filter(n -> n.length() <= index.incrementAndGet())
.collect(Collectors.toList());
Note that using the latter method on a parallel stream could break as the items would not necesarily be processed "in order".
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git submodule tracking latest
We are moving our (huge) project to git and we are thinking about using submodules. Our plan is to have three different heads in the superproject: release,stable,latest. The project leads will handle the release and stable branches. They will move the submodules as required.
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