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How to check if a service is running on Android?
...
I use the following from inside an activity:
private boolean isMyServiceRunning(Class<?> serviceClass) {
ActivityManager manager = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
for (RunningServiceInfo service : man...
How can I merge properties of two JavaScript objects dynamically?
... also has a utility for this: http://api.jquery.com/jQuery.extend/.
Taken from the jQuery documentation:
// Merge options object into settings object
var settings = { validate: false, limit: 5, name: "foo" };
var options = { validate: true, name: "bar" };
jQuery.extend(settings, options);
// Now...
Is there a way to iterate over a slice in reverse in Go?
...dex
for k := range s {
k = len(s) - 1 - k
// now k starts from the end
}
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AngularJS : What is a factory?
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From what I understand they are all pretty much the same. The major differences are their complexities. Providers are configurable at runtime, factories are a little more robust, and services are the simplest form.
Check out...
angularjs directive call function specified in attribute and pass an argument to it
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From my tests using this code in angular 1.2.28, it works well. My tests do not call theMethodToBeCalled with undefined on first load. Neither does the plunker example. This does not appear to be a problem. In other words, ...
Doing a cleanup action just before Node.js exits
...f the following code is only needed for test demo
// Prevents the program from closing instantly
process.stdin.resume();
// Emits an uncaught exception when called because module does not exist
function error() {
console.log('error');
var x = require('');
};
// Try each of the following one a...
What is the difference between const_iterator and non-const iterator in the C++ STL?
... method signatures.
Much like const and non-const, you can convert easily from non-const to const, but not the other way around:
std::vector<int> v{0};
std::vector<int>::iterator it = v.begin();
// non-const to const.
std::vector<int>::const_iterator cit = it;
// Compile time e...
Finding the index of an item in a list
... itertools.count() (which is pretty much the same approach as enumerate):
from itertools import izip as zip, count # izip for maximum efficiency
[i for i, j in zip(count(), ['foo', 'bar', 'baz']) if j == 'bar']
This is more efficient for larger lists than using enumerate():
$ python -m timeit -s...
When do you use varargs in Java?
...e, the list is not modified by the method).
Additionally, I would refrain from using f(Object... args) because its slips towards a programming way with unclear APIs.
In terms of examples, I have used it in DesignGridLayout, where I can add several JComponents in one call:
layout.row().grid(new JL...
Sending “User-agent” using Requests library in Python
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url = 'SOME URL'
headers = {
'User-Agent': 'My User Agent 1.0',
'From': 'youremail@domain.com' # This is another valid field
}
response = requests.get(url, headers=headers)
If you're using requests v2.12.x and older
Older versions of requests clobbered default headers, so you'd want t...