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back button callback in navigationController in iOS
...IBarButtonItem alloc] initWithTitle:@”back”
style:UIBarButtonItemStyleBordered
target:self
action:@selector(handleBack:)];
self.navigationItem.leftBarButtonItem = backButton;
[backButton release];
}
- (void) handleBack:(id)sender
{
// pop to root view controller
[self.navigationController popT...
How to use the TextWatcher class in Android?
...er interface has 3 callbacks methods which are all called in the following order when a change occurred to the text:
beforeTextChanged(CharSequence s, int start, int count, int after)
Called before the changes have been applied to the text.
The s parameter is the text before any change is applied....
Why is `std::move` named `std::move`?
...by the rest of the program (nobody else has
a reference to the rvalue in order to detect a difference).
If at the time swap was instead presented like this:
template <class T>
void
swap(T& a, T& b)
{
T tmp(cast_to_rvalue(a));
a = cast_to_rvalue(b);
b = cast_to_rvalue(t...
Sort JavaScript object by key
...6/ES2015 spec has been published.
See the section on property iteration order in Exploring ES6 by Axel Rauschmayer:
All methods that iterate over property keys do so in the same order:
First all Array indices, sorted numerically.
Then all string keys (that are not indices), in the o...
What's the difference between require and require-dev? [duplicate]
...roduction version of your project.
Typically, these are packages such as phpunit/phpunit that you would only use during development.
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Sticky and NON-Sticky sessions
...ct way of one knowing what is there in the session object of the other. In order to synchronize between these server sessions, you may have to write/read the session data into a layer which is common to all - like a DB. Now writing and reading data to/from a db for this use-case may not be a good id...
Executing JavaScript without a browser?
...ac OS X command line, much like we run any other scripting language (ruby, php, perl, python...)
13 Answers
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How can I see normal print output created during pytest run?
...the running of that command with a custom setuptools test command that (in order):
Monkey-patches the private _pytest API.
Calls the public pytest.main() function to run the py.test command.
This answer monkey-patches py.test's -s and --capture=no options to capture stderr but not stdout. By de...
Default filter in Django admin
...
In order to achieve this and have a usable 'All' link in your sidebar (ie one that shows all rather than showing pending), you'd need to create a custom list filter, inheriting from django.contrib.admin.filters.SimpleListFilter ...
Regex to get string between curly braces
... based on the language you work in. Javascript takes the index to stop at, PHP takes the length of the desired end result (unless it's negative, in which case it takes the number of characters to remove), C# is different again...nice and confusing.
– jvenema
Ja...