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What does it mean for a data structure to be “intrusive”?
...
boost.org/doc/libs/1_45_0/doc/html/intrusive.html has examples and a good description of pros and cons.
– Tony Delroy
Feb 16 '11 at 6:37
...
How to Apply Gradient to background view of iOS Swift App
...rray <AnyObject> = [colorTop, colorBottom]
– JP_
Sep 9 '14 at 6:46
7
for swift 1.0 the synt...
Where to define custom error types in Ruby and/or Rails?
...ems
I have seen many times that you define exceptions in this way:
gem_dir/lib/gem_name/exceptions.rb
and defined as:
module GemName
class AuthenticationError < StandardError; end
class InvalidUsername < AuthenticationError; end
end
an example of this would be something like th...
Handling applicationDidBecomeActive - “How can a view controller respond to the app becoming Active?
...tion:
lazy var didBecomeActive: (Notification) -> Void = { [weak self] _ in
// Do stuff
}
If you require the actual notification be included, just replace the _ with notification.
Next, we set up the notification to observe for the app becoming active.
func setupObserver() {
_ = Not...
Android emulator and virtualbox cannot run at same time
...
Removing the kvm kernel modules (using 'sudo rmmod kvm_intel kvm') makes it possible to run the Virtualbox and the Android emulator at the same time but the performance of the Android emulator in such a setup is extremely bad. If possible it is better to shutdown the Virtualbox ...
Is there a way to auto expand objects in Chrome Dev Tools?
...creatively (ab)using console.group:
expandedLog = (function(){
var MAX_DEPTH = 100;
return function(item, depth){
depth = depth || 0;
if (depth > MAX_DEPTH ) {
console.log(item);
return;
}
if (_.isObject(item)) {
_.e...
How to enumerate an enum with String type?
... at your own risk.
Here is the code:
func iterateEnum<T: Hashable>(_: T.Type) -> GeneratorOf<T> {
var cast: (Int -> T)!
switch sizeof(T) {
case 0: return GeneratorOf(GeneratorOfOne(unsafeBitCast((), T.self)))
case 1: cast = { unsafeBitCast(UInt8(truncating...
Should switch statements always contain a default clause?
...an return within the enum case rather than break.
enum SomeEnum
{
ENUM_1,
ENUM_2,
// More ENUM values may be added in future
};
int foo(SomeEnum value)
{
switch (value)
{
case ENUM_1:
return 1;
case ENUM_2:
return 2;
}
// handle invalid values he...
jQuery event handlers always execute in order they were bound - any way around this? [duplicate]
...st parameter, and a key ("events" for us) as the second parameter.
jQuery._data(<DOM element>, "events");
So here's the modified code for jQuery 1.8.
// [name] is the name of the event "click", "mouseover", ..
// same as you'd pass it to bind()
// [fn] is the handler function
$.fn.bindFir...
Why can't I see the “Report Data” window when creating reports?
...wered Dec 6 '11 at 19:31
matthew_360matthew_360
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