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How to use the TextWatcher class in Android?
...gered again, starting an infinite loop. You should then add like a boolean _ignore property which prevent the infinite loop.
Exemple:
new TextWatcher() {
boolean _ignore = false; // indicates if the change was made by the TextWatcher itself.
@Override
public void afterTextC...
decorators in the python standard lib (@deprecated specifically)
...ed
when the function is used."""
@functools.wraps(func)
def new_func(*args, **kwargs):
warnings.simplefilter('always', DeprecationWarning) # turn off filter
warnings.warn("Call to deprecated function {}.".format(func.__name__),
category=DeprecationW...
Get ID of last inserted document in a mongoDB w/ Java driver
...me", "Matt" );
collection.insert( doc );
ObjectId id = (ObjectId)doc.get( "_id" );
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if A vs if A is not None:
...
The statement
if A:
will call A.__nonzero__() (see Special method names documentation) and use the return value of that function. Here's the summary:
object.__nonzero__(self)
Called to implement truth value testing and the built-in operation bool()...
How do I remove all .pyc files from a project?
...
This ignores .pyo files and __pycache__ directories. See my answer.
– Wilfred Hughes
Apr 7 '14 at 15:03
...
UCenter实现各系统通信的原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...原理
1、用户登录bbs，通过logging.php文件中，使用函数uc_user_login验证，如果验证成功，将调用函数uc_user_synlogin（位于uc_client下的client.php文件中）， 在这个函数中调用 uc_api_post('user', 'synlogin', array('uid'=>$uid));之后向UC_API.'/index.php'...
Mongoose, Select a specific field with find
...
The _id field is always present unless you explicitly exclude it. Do so using the - syntax:
exports.someValue = function(req, res, next) {
//query with mongoose
var query = dbSchemas.SomeValue.find({}).select('name -_id'...
Can you test google analytics on a localhost address?
...r setting the tracking domain to none on google analytics looks like this:
_gaq.push(['_setDomainName', 'none']);
Google analytics will then fire off the _utm.gif tracker request on localhost. You can verify this by opening the developer tools in your favorite browser and watching the network reque...
Dynamic variable names in Bash
...ay, with command names as keys.
# Requires bash 4, though
declare -A magic_variable=()
function grep_search() {
magic_variable[$1]=$( ls | tail -1 )
echo ${magic_variable[$1]}
}
If you can't use associative arrays (e.g., you must support bash 3), you can use declare to create dynamic var...
Get $_POST from multiple checkboxes
...
Set the name in the form to check_list[] and you will be able to access all the checkboxes as an array($_POST['check_list'][]).
Here's a little sample as requested:
<form action="test.php" method="post">
<input type="checkbox" name="check_list...