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How do I set the size of an HTML text box?
...n type="text"? Can't find type="textbox" defined anywhere: w3.org/TR/html5/forms.html#states-of-the-type-attribute
– Stefan L
Nov 3 '17 at 10:04
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Get all related Django model objects
How can I get a list of all the model objects that have a ForeignKey pointing to an object? (Something like the delete confirmation page in the Django admin before DELETE CASCADE).
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Android dismiss keyboard
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For anyone else who stumbles here, you can use the activity's (either the activity you are in or the fragments getActivity()) getCurrentFocus().getWindowToken() for the first arg to hideSoftInputFromWindow(). Also, do it in t...
Intellij shortcut to convert code to upper or lower case?
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Ctrl + Shift + U
In the future try typing: Ctrl + Shift + A and look for any actions you like. Here: Toggle Case.
Or ⌘ Command + Shift + U if you are using Mac OSX.
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Get the client's IP address in socket.io
... git hub to figure this one out, but the following code does actually work for me now:
var io = require('socket.io').listen(server);
io.sockets.on('connection', function (socket) {
var address = socket.handshake.address;
console.log('New connection from ' + address.address + ':' + address.port...
Eclipse error “ADB server didn't ACK, failed to start daemon”
... my computer.
Step 3:
Again, restart eclipse then solved that problem.
For those using OS X
killall adb
For those using Windows
adb kill-server
should do the trick.
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Create table (structure) from existing table
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Kevin, just a small formatting change in your answer:- Select * Into <DestinationTableName> From <SourceTableName> Where 1 = 2
– Ashish Gupta
Mar 24 '10 at 6:32
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How to delete migration files in Rails 3
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I usually:
Perform a rake db:migrate VERSION=XXX on all environments, to the version before the one I want to delete.
Delete the migration file manually.
If there are pending migrations (i.e., the migration I removed was not the last one),...
In Objective-C, how do I test the object type?
...isKindOfClass:[NSString class]]
Likewise, if you wanted to test myObject for a UIImageView:
[myObject isKindOfClass:[UIImageView class]]
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MySQL - Make an existing Field Unique
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ALTER IGNORE TABLE mytbl ADD UNIQUE (columnName);
For MySQL 5.7.4 or later:
ALTER TABLE mytbl ADD UNIQUE (columnName);
As of MySQL 5.7.4, the IGNORE clause for ALTER TABLE is removed and
its use produces an error.
So, make sure to remove duplicate entries first as ...