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Does Swift have access modifiers?
..., personally don't like solutions like the one with the underscore/special-char leading "private" methods. Even if it is guaranteed that i for myself will be the only person ever having a look at this code, it makes the code more save / less prone to errors cause the compiler will simply prevent you...
How to avoid mysql 'Deadlock found when trying to get lock; try restarting transaction'
...now() - INTERVAL 900 SECOND
To
DELETE FROM onlineusers
WHERE id IN (
SELECT id FROM onlineusers
WHERE datetime <= now() - INTERVAL 900 SECOND
ORDER BY id
) u;
Another thing to keep in mind is that mysql documentation suggest that in case of a deadlock the client should retry autom...
Using Chrome, how to find to which events are bound to an element
...e Event you need
From the handler property, right click over function and select 'Show function definition'
You will now see the Event binding code
Click on the 'Pretty print' button for a more readable view of the code
sh...
How to convert timestamp to datetime in MySQL?
...
SELECT from_unixtime( TIMESTAMP( "2011-12-01", "22:01:23.048" ) ) doesn't work. why? using v5.6
– Janus Troelsen
Feb 4 '14 at 18:44
...
How to open a web server port on EC2 instance
...asn't immediately clear to me from the linked instructions, but you should select "Custom TCP". Otherwise you won't be able to change the port.
– KKOrange
Dec 12 '19 at 1:39
a...
How do I use Linq to obtain a unique list of properties from a list of objects?
...
IEnumerable<int> ids = list.Select(x=>x.ID).Distinct();
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Edit changeset comment after updates have been checked in to TFS
...u know a specific file that was included in the changeset then find it and select it (can be done from the Solution Explorer panel)
right click, select View History (Source Explorer) or Source Control -> View History (Solution Explorer)
find the specific change you are interested in, then ri...
Android Gallery on Android 4.4 (KitKat) returns different URI for Intent.ACTION_GET_CONTENT
...tyForResult(Intent.createChooser(intent, getResources().getString(R.string.select_picture)),GALLERY_INTENT_CALLED);
} else {
Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setType("image/jpeg");
startActivityForResult(int...
Duplicate and rename Xcode project & associated folders [closed]
...ame or any associated folders at this stage.
In Xcode, rename the project. Select your project from the navigator pane (left pane). In the Utilities pane (right pane) rename your project, Accept the changes Xcode proposes.
In Xcode, rename the schemes in "Manage Schemes", also rename any targets you...
Java compiler level does not match the version of the installed Java project facet
...he Project Properties dialog.
There is a Project Facets item on the left, select it, look for the Java facet on the list, choose which version you want to use for the project and apply.
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