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Convert string to symbol-able in ruby
...ils got ActiveSupport::CoreExtensions::String::Inflections module that provides such methods. They're all worth looking at. For your example:
'Book Author Title'.parameterize.underscore.to_sym # :book_author_title
share
...
What is “android:allowBackup”?
... a particular issue. For example, the issue related to allowBackup has the id AllowBackup (shown at the end of the error message), so the fuller explanation is:
$ ./lint --show AllowBackup
AllowBackup
-----------
Summary: Ensure that allowBackup is explicitly set in the application's
manifest
Prio...
Stateless vs Stateful - I could use some concrete information
...y design, entity classes (or atleast that's what I call them - like Person(id, name, ..)) are stateful, etc.
8 Answers
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What is the maximum length of a valid email address?
What is the maximum length of a valid email address? Is it defined by any standard?
6 Answers
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JavaScript/JQuery: $(window).resize how to fire AFTER the resize is completed?
...= (function () {
var timers = {};
return function (callback, ms, uniqueId) {
if (!uniqueId) {
uniqueId = "Don't call this twice without a uniqueId";
}
if (timers[uniqueId]) {
clearTimeout (timers[uniqueId]);
}
timers[uniqueId] = setTimeout(callback, ms);
};
})()...
How to close activity and go back to previous activity in android
...ave described will occur in following two ways:
EITHER
You have set android:noHistory = "true" for MainActivity inside AndroidManifest.xml which causes MainActivity to finish automatically on pressing the back key.
OR
Before switching to your 'SettingsActivity', you have called finish() in your ...
string.Format() giving “Input string is not in correct format”
...
string.Format() considers each '{' or '}' to be part of a placeholder (like '{0}' you already use). You need to escape each literal occurrence by doubling it.
So in your case do:
string tmp = @"
if (UseImageFiles) {{
...
}}";
...
Parsing a JSON string in Ruby
...s looks like JavaScript Object Notation (JSON). You can parse JSON that resides in some variable, e.g. json_string, like so:
require 'json'
JSON.parse(json_string)
If you’re using an older Ruby, you may need to install the json gem.
There are also other implementations of JSON for Ruby that ...
Where/How to getIntent().getExtras() in an Android Fragment? [duplicate]
...nstantiating them with arguments.
There's actually an example on the Android dev blog that illustrates this concept, and you'll see this in several of the API demos too. Although this specific example is given for API 3.0+ fragments, the same flow applies when using FragmentActivity and Fragment fr...
Add disabled attribute to input element using Javascript
I have an input box and I want it to be disabled and at the same time hide it to avoid problems when porting my form.
7 Ans...