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How to store Node.js deployment settings/configuration files?
...fig.js for my configuration, which looks like:
var config = {};
config.twitter = {};
config.redis = {};
config.web = {};
config.default_stuff = ['red','green','blue','apple','yellow','orange','politics'];
config.twitter.user_name = process.env.TWITTER_USER || 'username';
config.twitter.password=...
Adding a column to an existing table in a Rails migration
...l which needs an :email column (I forgot to add that column during the initial scaffold).
11 Answers
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Unable to add window — token android.os.BinderProxy is not valid; is your activity running?
...onnect to Facebook throught Facebook API, I follow this example: https://github.com/facebook/facebook-android-sdk/tree/master/examples/simple
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Difference between Java SE/EE/ME?
...e should I install when I want to start learning Java? I'm going to start with some basics, so I will write simple programs that create files, directories, edit XML files and so on, nothing too complex for now.
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Detecting when the 'back' button is pressed on a navbar
...ertain scenarios in iOS 8+. I can't verify that that is actually the case without further details.
For those of you however in that situation there's an alternative. Detecting when a view controller is being popped is possible by overriding willMove(toParentViewController:). The basic idea is that ...
Generating random numbers in Objective-C
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You should use the arc4random_uniform() function. It uses a superior algorithm to rand. You don't even need to set a seed.
#include <stdlib.h>
// ...
// ...
int r = arc4random_uniform(74);
The arc4random man page:
NAME
arc4random, arc4random_stir, arc4random_...
What is git actually doing when it says it is “resolving deltas”?
During the first clone of a repository, git first receives the objects (which is obvious enough), and then spends about the same amount of time "resolving deltas". What's actually happening during this phase of the clone?
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Is there a way to simulate the C++ 'friend' concept in Java?
I would like to be able to write a Java class in one package which can access non-public methods of a class in another package without having to make it a subclass of the other class. Is this possible?
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How to start an application without waiting in a batch file?
Is there any way to execute an application without waiting in batch file? I have tried the start command but it just creates a new command window.
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how to solve “ruby installation is missing psych” error?
I used rvm to install ruby 1.9.3. even though it was successfully installed, it complained about libyaml. and now every time i wanna install a gem (say rails) this warning shows up:
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