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What Process is using all of my disk IO
... 0 0 ? D May28 4:25 \_ [jbd2/dm-0-8]
As you can see from the result, the jdb2/dm-0-8 (ext4 journal process), and kdmflush are constantly block your Linux.
For more details this URL could be helpful: Linux Wait-IO Problem
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What exactly does an #if 0 … #endif block do?
...tax error! Why? Because block comments do not nest, and so (as you can see from SO's syntax highlighting) the */ after the word "NULL" terminates the comment, making the baz call not commented out, and the */ after baz a syntax error. On the other hand:
#if 0
foo();
bar(x, y); /* x must not be NULL...
How to spyOn a value property (rather than a method) with Jasmine
...eu it is not a good assertion because it just asserts what we already know from what we told the spy to do, but it is just what they were asking and their very same question code snippet ¯_(ツ)_/¯ The point of their question was how to spy on a property and not so much their specific example.
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How do you change the server header returned by nginx?
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Like Apache, this is a quick edit to the source and recompile. From Calomel.org:
The Server: string is the header which
is sent back to the client to tell
them what type of http server you are
running and possibly what version.
This string is used by places like
Alexia and ...
How do I finish the merge after resolving my merge conflicts?
... your working to the state of the last commit. This will lose your changes from the working tree so if you had local modifications before the merge they will be gone after this—which is why it’s advisable to not start a merge when you have local modifications. :)
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file_put_contents(meta/services.json): failed to open stream: Permission denied
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Suggestion from vsmoraes worked for me:
Laravel >= 5.4
php artisan cache:clear
chmod -R 777 storage/
composer dump-autoload
Laravel < 5.4
php artisan cache:clear
chmod -R 777 app/storage
composer dump-autoload
NOTE: DO N...
How to invoke the super constructor in Python?
...ou can use super and not have to directly name the class you're inheriting from.
– Gabe
Jun 3 '15 at 0:58
@Gabe That's...
Programmatic equivalent of default(Type)
...tting them to "default" - this works brilliantly. I use it when converting from a SqlDataReader to an object using reflection.
– Arno Peters
Jun 23 '13 at 9:13
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How to check edittext's text is email address or not?
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String implements CharSequence so I think the cast from email to inputStr is redundant.
– nuala
Aug 2 '12 at 15:11
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How can I round up the time to the nearest X minutes?
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Example:
var dt1 = RoundUp(DateTime.Parse("2011-08-11 16:59"), TimeSpan.FromMinutes(15));
// dt1 == {11/08/2011 17:00:00}
var dt2 = RoundUp(DateTime.Parse("2011-08-11 17:00"), TimeSpan.FromMinutes(15));
// dt2 == {11/08/2011 17:00:00}
var dt3 = RoundUp(DateTime.Parse("2011-08-11 17:01"), TimeSp...