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Private virtual method in C++
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118
Herb Sutter has very nicely explained it here.
Guideline #2: Prefer to make virtual functions...
Setting design time DataContext on a Window is giving a compiler error?
...ion/blend/2008"
...
/>
The following was taken from
Nathan, Adam (2010-06-04). WPF 4 Unleashed (Kindle Locations 1799-1811). Sams. Kindle Edition.
Markup Compatibility
The markup compatibility XML namespace (http://schemas.openxmlformats.org/markup-compatibility/2006, typically used with an...
What is NODE_ENV and how to use it in Express?
...4
Pang
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answered Jun 7 '13 at 8:27
Ed HinchliffeEd ...
How to make a promise from setTimeout
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121
Update (2017)
Here in 2017, Promises are built into JavaScript, they were added by the ES2015...
How to inject dependencies into a self-instantiated object in Spring?
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197
You can do this using the autowireBean() method of AutowireCapableBeanFactory. You pass it an ...
What do the f and t commands do in Vim?
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edited Sep 19 '12 at 13:23
answered Sep 19 '12 at 13:17
...
In Firebase, is there a way to get the number of children of a node without loading all the node dat
...Ref.transaction(function (current_value) {
return (current_value || 0) + 1;
});
For more info, see https://www.firebase.com/docs/transactions.html
UPDATE:
Firebase recently released Cloud Functions. With Cloud Functions, you don't need to create your own Server. You can simply write JavaScript ...
What is the “assert” function?
...mp;& "Whoops, length can't possibly be negative! (didn't we just check 10 lines ago?) Tell jsmith");
Or else like this:
assert(("Length can't possibly be negative! Tell jsmith", length >= 0));
When you're doing a release (non-debug) build, you can also remove the overhead of evaluating a...
In git, what is the difference between merge --squash and rebase?
...t was never possible to use --commit and --squash together.
Since Git 2.22.1 (Q3 2019), this incompatibility is made explicit:
See commit 1d14d0c (24 May 2019) by Vishal Verma (reloadbrain).
(Merged by Junio C Hamano -- gitster -- in commit 33f2790, 25 Jul 2019)
merge: refuse --commit with --...
How to check if a URL is valid
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178
Use the URI module distributed with Ruby:
require 'uri'
if url =~ URI::regexp
# Correct ...