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How to unsubscribe to a broadcast event in angularJS. How to remove function registered via $on
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I think that Angular did it this way because a lot of the time inline anonymous functions are used as arguments to the $on function. In order to call $scope.$off(type, function) we'd need to keep a reference to the anonymous function. It is just thinking in a different way to how on...
How can jQuery deferred be used?
...still not perfect, since you never clear / update the cache once the first time fetched. This will make AJAX call not working for any update.
– zyzyis
Apr 11 '14 at 7:47
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How to print a number with commas as thousands separators in JavaScript
I am trying to print an integer in JavaScript with commas as thousands separators. For example, I want to show the number 1234567 as "1,234,567". How would I go about doing this?
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Type of conditional expression cannot be determined because there is no implicit conversion between
...ne of x and y has a type and certain good conditions are met, or a compile-time error occurs. Here, "certain good conditions" means certain conversions are possible, which we will get into the details of below.
Now, let's turn to the germane part of the spec:
If only one of x and y has a type, and ...
Sequelize.js: how to use migrations and sync
...y suggestion is to do it before app starts and tries to serve routes every time. Something like this:
umzug.pending().then(function(migrations) {
// "migrations" will be an Array with the names of
// pending migrations.
umzug.execute({
migrations: migrations,
method: 'up...
Is there a way to specify how many characters of a string to print out using printf()?
Is there a way to specify how many characters of a string to print out (similar to decimal places in int s)?
8 Answers
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How to print the full traceback without halting the program?
...monstrate that we get the full stacktrace:
def raise_error():
raise RuntimeError('something bad happened!')
def do_something_that_might_error():
raise_error()
Printing
To print the full traceback, use the traceback.print_exc method:
try:
do_something_that_might_error()
except Exception...
How to disallow temporaries
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This one doesn't result in a compiler error, but a runtime error. Instead of measuring a wrong time, you get an exception which may be acceptable too.
Any constructor you want to guard needs a default argument on which set(guard) is called.
struct Guard {
Guard()
:guard...
Difference between map, applymap and apply methods in Pandas
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Quick Summary
DataFrame.apply operates on entire rows or columns at a time.
DataFrame.applymap, Series.apply, and Series.map operate on one
element at time.
Series.apply and Series.map are similar and often interchangeable. Some of their slight differences are discussed in osa's answer belo...
How to find the Git commit that introduced a string in any branch?
I want to be able to find a certain string which was introduced in any commit in
any branch, how can I do that? I found something (that I modified for Win32),
but git whatchanged doesn't seem to be looking into the different branches
(ignore the py3k chunk, it's just a msys/win line feed fix)
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