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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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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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Not able to type in textfield in iphone simulator using Mac Keyboard?
I'm working on a basic iOS app which supports both portrait and landscape modes. When the iPhone simulator keyboard is open in landscape and I'm switching the app to portrait mode I'm unable to type anything in any text field using my Mac physical keyboard.
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How to avoid the “Circular view path” exception with Spring MVC test
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This has nothing to do with Spring MVC testing.
When you don't declare a ViewResolver, Spring registers a default InternalResourceViewResolver which creates instances of JstlView for rendering the View.
The JstlView class extends InternalResourceV...
bind event only once
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If you can apply it, probably want to take a look at event.preventDefault and event.stopPropagation
OR unbind and bind each time, within your method like
function someMethod()
{
$(obj).off('click').on('click', function(e) {
// put your...
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=...
PHP Warning: POST Content-Length of 8978294 bytes exceeds the limit of 8388608 bytes in Unknown on l
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8388608 bytes is 8M, the default limit in PHP. Update your post_max_size in php.ini to a larger value.
upload_max_filesize sets the max file size that a user can upload while
post_max_size sets the maximum amount of data that can be sent via a POST in a form....
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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