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How do you save/store objects in SharedPreferences on Android?
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In order to get the data back, what do I pass as the 'variable' and 'defaultValue'?
– Alex
Apr 2 '15 at 6:44
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std::unique_lock or std::lock_guard?
...er you need to relock the guard.
std::unique_lock has other features that allow it to e.g.: be constructed without locking the mutex immediately but to build the RAII wrapper (see here).
std::lock_guard also provides a convenient RAII wrapper, but cannot lock multiple mutexes safely. It can be us...
Java regex capturing groups indexes
...group in the pattern start indexing from 1. The indices are defined by the order of the opening parentheses of the capturing groups. As an example, here are all 5 capturing groups in the below pattern:
(group)(?:non-capturing-group)(g(?:ro|u)p( (nested)inside)(another)group)(?=assertion)
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Handling a colon in an element ID in a CSS selector [duplicate]
...mpatibility mode. This other answer to this same question did work. basically \3A instead of \:.
– Merlyn Morgan-Graham
Mar 30 '12 at 2:32
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How to write inline if statement for print?
...a' variable value unchanged - assing old 'a' value (else is still required by syntax demands):
a = 1 if b else a
This piece of code leaves a unchanged when b turns to be False.
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improve th...
Reintegrate can only be used if revisions X through Y were previously merged from to reintegra
Been using SVN branches with Tortoise 1.6. I've been periodically merging the trunk into the branch to keep it up to date.
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angular ng-bind-html and directive within it
...pe, sometimes it
// needs to be explicitly called into a string in order to
// get the HTML string.
element.html(value && value.toString());
// If scope is provided use it, otherwise use parent scope
var compileScope = scope;
if (attrs.bindHtml...
Scala: what is the best way to append an element to an Array?
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It is the same for any other scala ordered collection, it does not work with set for example (as prepend and append doesn't mean anything for a Set).
– Nicolas
Sep 21 '11 at 13:07
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How to add a touch event to a UIView?
...g from the gesture in the Document Outline to your View Controller code in order to make an Outlet and an Action.
This should be set by default, but also make sure that User Action Enabled is set to true for your view.
Adding a Gesture Programmatically
To add a gesture programmatically, you (1) cr...
Dictionary returning a default value if the key does not exist [duplicate]
...Value(key, out value);
and just ignore the return value. However, that really will just return default(TValue), not some custom default value (nor, more usefully, the result of executing a delegate). There's nothing more powerful built into the framework. I would suggest two extension methods:
pu...