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How to convert an enum type variable to a string?
... \
),
// we have to add a dummy element at the end of a tuple in order to make
// BOOST_PP_TUPLE_ELEM macro work in case an initial tuple has only one element.
// if we have a tuple (Element1), BOOST_PP_TUPLE_ELEM(2, (Element1)) macro won't compile.
// It requires that a tuple with only o...
Enforcing the type of the indexed members of a Typescript object?
...cases with typeof Number (e.g. Infinity, NaN, 1e300, 999999999999999999999 etc) get converted to string keys. Also beware of other corner cases for string keys like x[''] = 'empty string';, x['000'] = 'threezeros'; x[undefined] = 'foo'.
– robocat
Feb 4 '19 at 2...
How to get Android crash logs?
... this inside the /SDK/tools directory? Are there any flags I should note ? etc.
– jesses.co.tt
Jun 18 '13 at 21:42
2
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What is better, adjacency lists or adjacency matrices for graph problems in C++?
...kup time of checking for a specific edge can become O(n), if the list is unordered.
However, looking up the neighbours of a vertex becomes trivial, and for a sparse or small graph the cost of iterating through the adjacency lists might be negligible.
Adjacency matrices on the other hand use more sp...
Get the current displaying UIViewController on the screen in AppDelegate.m
...r hierarchy might be tricky - for example when modals are being presented, etc.
E.g.,
// MyAppDelegate.h
NSString * const UIApplicationDidReceiveRemoteNotification;
// MyAppDelegate.m
NSString * const UIApplicationDidReceiveRemoteNotification = @"UIApplicationDidReceiveRemoteNotification";
- (vo...
How to mock an import
...l have to create a mock_B.py where you mock B's actual functions/variables/etc. Or you can just assign a Mock() directly:
test.py:
import sys
sys.modules['B'] = Mock()
import A
share
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improve th...
How can I get a precise time, for example in milliseconds in Objective-C?
...l is in seconds, but it uses the double to give you greater precision.
In order to calculate millisecond time accuracy, you can do:
// Get a current time for where you want to start measuring from
NSDate *date = [NSDate date];
// do work...
// Find elapsed time and convert to milliseconds
// Use...
Javascript trick for 'paste as plain text` in execCommand
...he most reliable:
It catches all kinds of pasting (Ctrl+V, context menu, etc.)
It allows you to get the clipboard data directly as text, so you don't have to do ugly hacks to replace HTML.
I'm not sure of cross-browser support, though.
editor.addEventListener("paste", function(e) {
// cance...
Call AngularJS from legacy code
... This gives you access to the scope of that controller. methods/properties etc... just putting a fine point on goosemanjack's comment.
– ftravers
Jul 20 '15 at 1:55
...
Is object empty? [duplicate]
...bject of keys just to count how many keys are inside, than destroys it! In order to create that object he needs to loop overt the keys... so why use it and not the (for... in...) option :)
var a = {};
function timeit(func,count) {
if (!count) count = 100000;
var start = Date.now();
...