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For-each over an array in JavaScript
...h(function(entry) {
console.log(entry);
});
forEach accepts a callback function and, optionally, a value to use as this when calling that callback (not used above). The callback is called for each entry in the array, in order, skipping non-existent entries in sparse arrays. Although I o...
Disable output buffering
....stdout with
some other stream like wrapper which
does a flush after every call.
class Unbuffered(object):
def __init__(self, stream):
self.stream = stream
def write(self, data):
self.stream.write(data)
self.stream.flush()
def writelines(self, datas):
self.stream...
Limit text length to n lines using CSS
...major browsers.
body {
margin: 20px;
}
.text {
overflow: hidden;
text-overflow: ellipsis;
display: -webkit-box;
-webkit-line-clamp: 2; /* number of lines to show */
-webkit-box-orient: vertical;
}
<div class="text">
Lorem ipsum dolor sit amet, consectetur ad...
HTML+CSS: How to force div contents to stay in one line?
I have a long text inside a div with defined width :
10 Answers
10
...
Decorators with parameters?
... can read more on the subject - it's also possible to implement this using callable objects and that is also explained there.
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How to terminate a Python script
...imately “only” raises an exception, it will only exit
the process when called from the main thread, and the exception is not
intercepted.
Note that this is the 'nice' way to exit. @glyphtwistedmatrix below points out that if you want a 'hard exit', you can use os._exit(*errorcode*), though it...
Class.forName() vs ClassLoader.loadClass() - which to use for dynamic loading? [duplicate]
When dynamically loading a class, when is it appropriate to use
6 Answers
6
...
How to add “on delete cascade” constraints?
... statement. For example
alter table public.scores
drop constraint scores_gid_fkey,
add constraint scores_gid_fkey
foreign key (gid)
references games(gid)
on delete cascade;
If you don't know the name of the foreign key constraint you want to drop, you can either look it up in pgAdminIII ...
What's the difference between commit() and apply() in SharedPreferences
...
tl;dr:
commit() writes the data synchronously (blocking the thread its called from). It then informs you about the success of the operation.
apply() schedules the data to be written asynchronously. It does not inform you about the success of the operation.
If you save with apply() and immediatel...
jQuery on window resize
...e first problem you'll notice when binding to resize. The resize code gets called a LOT when the user is resizing the browser manually, and can feel pretty janky.
To limit how often your resize code is called, you can use the debounce or throttle methods from the underscore & lowdash libraries....