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Using Java 8's Optional with Stream::flatMap
The new Java 8 stream framework and friends make for some very concise java code, but I have come across a seemingly-simple situation that is tricky to do concisely.
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MySQL “incorrect string value” error when save unicode string in Django
...per here)
To solve this you need to:
Change your MySQL database, table and columns to use the utf8mb4 character set (only available from MySQL 5.5 onwards)
Specify the charset in your Django settings file as below:
settings.py
DATABASES = {
'default': {
'ENGINE':'django.db.backen...
How can I view array structure in JavaScript with alert()?
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EDIT: Firefox and Google Chrome now have a built-in JSON object, so you can just say alert(JSON.stringify(myArray)) without needing to use a jQuery plugin. This is not part of the Javascript language spec, so you shouldn't rely on the JSO...
How to get the focused element with jQuery?
...g to search the whole DOM tree.
The answer is:
document.activeElement
And if you want a jQuery object wrapping the element:
$(document.activeElement)
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How do JavaScript closures work?
...nowledge of the concepts they consist of (for example functions, variables and the like), but does not understand closures themselves?
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What's a good hex editor/viewer for the Mac? [closed]
... a good hex editor/viewer for the Mac? I've used xxd for viewing hexdumps, and I think it can be used in reverse to make edits. But what I really want is a real hex editor.
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Devise Secret Key was not set
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I ran bundle update this morning and started getting the same error.
I added it as a line in config/initializers/devise.rb and the error was fixed.
This seems to be the commit which introduced it.
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How to list files in an android directory?
..., the permissions must be given in the manifest file.
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
Try this:
String path = Environment.getExternalStorageDirectory().toString()+"/Pictures";
Log.d("Files", "Path: " + path);
File directory = new File(path);
File...
The transaction log for the database is full
...arily require lots of space for the log file, I created a second log file and made it huge. Once the project is complete we then removed the extra log file.
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Difference between $.ajax() and $.get() and $.load()
What is the difference between $.ajax() and $.get() and $.load() ?
9 Answers
9
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