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How to set up a PostgreSQL database in Django
...SER postgres WITH PASSWORD 'YourPassWordHere';
- \q
On your settings.py file you do:
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.postgresql_psycopg2',
'NAME': 'dbname',
'USER': 'postgres',
'PASSWORD': 'postgres',
'HOST': '',
'PORT'...
jQuery : eq() vs get()
...invoking its functions as you would on a raw DOM element. But it loses its identity as a jQuery-wrapped object, so a jQuery function like .fadeIn won't work.
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Styling twitter bootstrap buttons
...ap are controlled in CSS by ".btn{}". What you have to do is go to the CSS file and find where it says "btn" and change the color settings. However, it's not as simple as just doing that since you also have to change what color the button changes into when you highlight it, etc. To do THAT, you have...
Exec : display stdout “live”
...c = require('child_process').exec;
var coffeeProcess = exec('coffee -cw my_file.coffee');
coffeeProcess.stdout.on('data', function(data) {
console.log(data);
});
OR pipe the child process's stdout to the main stdout.
coffeeProcess.stdout.pipe(process.stdout);
OR inherit stdio using spawn...
How can I know which radio button is selected via jQuery?
...
To get the value of the selected radioName item of a form with id myForm:
$('input[name=radioName]:checked', '#myForm').val()
Here's an example:
$('#myForm input').on('change', function() {
alert($('input[name=radioName]:checked', '#myForm').val());
});
<script src="htt...
Batch script: how to check for admin rights
...ly (ERRORLEVEL = 0) - but they don't actually have admin rights. Using openfiles (see answer by Lucretius below) doesn't have this problem.
– EM0
Jan 14 '15 at 17:32
1
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Undefined reference to `sin` [duplicate]
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You have compiled your code with references to the correct math.h header file, but when you attempted to link it, you forgot the option to include the math library. As a result, you can compile your .o object files, but not build your executable.
As Paul has already mentioned add "-lm" to link w...
Byte array to image conversion
...is one-liner works fine with a byte array that contains an image of a JPEG file.
Image x = (Bitmap)((new ImageConverter()).ConvertFrom(jpegByteArray));
EDIT:
See here for an updated version of this answer: How to convert image in byte array
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A route named “x” is already in the route collection. Route names must be unique. Exception with ASP
...this problem I had to go into the bin folder on my project, delete all DLL files and then rebuild and this fixed the problem.
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Open application after clicking on Notification
...uilder class which is the recent version to build notification.
private void startNotification() {
Log.i("NextActivity", "startNotification");
// Sets an ID for the notification
int mNotificationId = 001;
// Build Notification , setOngoing keeps the notification always in status ba...