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Dynamic constant assignment
...s Ruby error is when you build the value in a method from other run-time assets (variables, command-line arguments, ENV), typically in a constructor e.g. def initialize(db,user,password) DB=Sequel.connect("postgres://#{user}:#{password}@localhost/#{db}") end. It's one of those cases where Ruby has n...
How to find all duplicate from a List? [duplicate]
...t;T> GetDuplicates<T>(this IEnumerable<T> source) {
HashSet<T> itemsSeen = new HashSet<T>();
HashSet<T> itemsYielded = new HashSet<T>();
foreach (T item in source) {
if (!itemsSeen.Add(item)) {
if (itemsYielded.Add(item)) {
...
Do regular expressions from the re module support word boundaries (\b)?
... versa), or between \w and the beginning/end of the string, so the precise set of characters deemed to be alphanumeric depends on the values of the UNICODE and LOCALE flags. For example, r'\bfoo\b' matches 'foo', 'foo.', '(foo)', 'bar foo baz' but not 'foobar' or 'foo3'. Inside a character range, \b...
How can I get all constants of a type by reflection?
...me and not changeable
// IsInitOnly determines if the field can be set
// in the body of the constructor
// for C# a field which is readonly keyword would have both true
// but a const field would have only IsLiteral equal to true
if(fi.IsLiteral &&a...
Can we delete an SMS in Android before it reaches the inbox?
...tyInfo.name + ", priority=" + info.priority);
}
}
Check priority and set higher priority (in your manifest) than other receivers.
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What does -save-dev mean in npm install grunt --save-dev
I've just started using Grunt.js . It is pretty hard to set up and I am at the point of creating a package.json file.
6 ...
How to check all checkboxes using jQuery?
...
You need to use .prop() to set the checked property
$("#checkAll").click(function(){
$('input:checkbox').not(this).prop('checked', this.checked);
});
Demo: Fiddle
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Twitter Bootstrap Tabs: Go to Specific Tab on Page Reload or Hyperlink
...lt;li>
Pseudocode (implement accordingly in your language). Note I've set 'home' tab as a default active if no parameter provided in this example.
$activetabhome = (params.activeTab is null or params.activeTab == 'home') ? 'class="active"' : '';
$activetabprofile = (params.activeTab == 'profil...
What are all the possible values for HTTP “Content-Type” header?
...he general format and the type attribute to make sure that is correct (the set of options is small) and just assume that what follows it is correct (and of course catch any exceptions you might encounter when you put it to actual use).
Also note the comment above:
If another primary type is to ...
How do I make a placeholder for a 'select' box?
...cause of the empty value in the placeholder option.
Once a value has been set, the :invalid pseudo-class will be dropped. You can optionally also use :valid if you so wish.
Most browsers support this pseudo-class. Internet Explorer 10 and later. This works best with custom styled select elements...