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“var” or no “var” in JavaScript's “for-in” loop?
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If you write var i in the for loop the alert shows 2.
JavaScript Scoping and Hoisting
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How to filter Android logcat by application? [duplicate]
How can I filter Android logcat output by application? I need this because when I attach a device, I can't find the output I want due to spam from other processes.
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Git: Correct way to change Active Branch in a bare repository?
... access to the remote repo, see my previous answer.
Remember that a command like git remote set-head:
doesn't change the default branch of the remote repo.
It only changes a remote tracking branch stored in your local repo as refs/remotes/<name>/HEAD
doesn't change HEAD itself (again, onl...
Make virtualenv inherit specific packages from your global site-packages
...ent with virtualenv --system-site-packages . Then, activate the virtualenv and when you want things installed in the virtualenv rather than the system python, use pip install --ignore-installed or pip install -I . That way pip will install what you've requested locally even though a system-wide vers...
What is C# analog of C++ std::pair?
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Tuples are available since .NET4.0 and support generics:
Tuple<string, int> t = new Tuple<string, int>("Hello", 4);
In previous versions you can use System.Collections.Generic.KeyValuePair<K, V> or a solution like the following:
public ...
How to revert (Roll Back) a checkin in TFS 2010
... installed).
The other option is using the TFS 2010 version control command-line application:
tf.exe rollback
I have information about both approaches on my blog post.
For Team Foundation Server 2012, 2013, or Visual Studio Online, rollback is now built-in directly to Source Control Explorer ...
Java: Best way to iterate through a Collection (here ArrayList)
...erbose IMO.
The third version is my preferred choice as well. It is short and works for all cases where you do not need any indexes or the underlying iterator (i.e. you are only accessing elements, not removing them or modifying the Collection in any way - which is the most common case).
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How to alias a table in Laravel Eloquent queries (or using Query Builder)?
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Laravel supports aliases on tables and columns with AS. Try
$users = DB::table('really_long_table_name AS t')
->select('t.id AS uid')
->get();
Let's see it in action with an awesome tinker tool
$ php artisan tinker
[1] > Sch...
How do I get the time difference between two DateTime objects using C#?
... I just wanted to how many seconds it takes for client to make a REST call and get reply back.
– Ziggler
Feb 14 '19 at 0:04
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Difference between two dates in Python
I have two different dates and I want to know the difference in days between them. The format of the date is YYYY-MM-DD.
5 ...