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What is a StoryBoard ID and how can i use this?
...ontroller based on that storyboard ViewController. An example use would be from any ViewController:
//Maybe make a button that when clicked calls this method
- (IBAction)buttonPressed:(id)sender
{
MyCustomViewController *vc = [self.storyboard instantiateViewControllerWithIdentifier:@"MyViewCon...
How to exclude a directory in find . command
...
From manpage: Because -delete implies -depth, you cannot usefully use -prune and -delete together. So, how do I go about deleting with find if I want to exclude specific directories from the deletion?
– ...
Devise form within a different controller
...re specified by Devise and so aren't present when you access a Devise form from a non-Devise controller.
To get around this, you need to add the following methods to the helper class of the controller you wish to display the form under. Alternatively, you can just add them to your application helpe...
Why does LayoutInflater ignore the layout_width and layout_height layout parameters I've specified?
... visible as small red square if layout parameters are successfully applied from XML (red.xml):
<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="25dp"
android:layout_height="25dp"
android:background...
Django URL Redirect
...
You can try the Class Based View called RedirectView
from django.views.generic.base import RedirectView
urlpatterns = patterns('',
url(r'^$', 'macmonster.views.home'),
#url(r'^macmon_home$', 'macmonster.views.home'),
url(r'^macmon_output/$', 'macmonster.views.outpu...
Run function from the command line
...
Alternatively, if you don't care about namespace pollution:
$ python -c 'from foo import *; print hello()'
And the middle ground:
$ python -c 'from foo import hello; print hello()'
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Getting visitors country from their IP
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You can use a simple API from http://www.geoplugin.net/
$xml = simplexml_load_file("http://www.geoplugin.net/xml.gp?ip=".getRealIpAddr());
echo $xml->geoplugin_countryName ;
echo "<pre>";
foreach ($xml as $key => $value)
{
echo $k...
How to generate a random int in C?
...licated. Here's a reason: time() only changes once per second. If you seed from time(), for each call to rand(), then you will get the same value for every call during a single second. But the bigger reason is that the properties of rand() and functions like it are known best for the use case where ...
Checking from shell script if a directory contains files
From a shell script, how do I check if a directory contains files?
26 Answers
26
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Understanding ibeacon distancing
... Great answer and code David. Where does the txPower value come from? Is it a calibration value done on the client (receiving) side? Or is it a metric you can get from a beacon?
– rmooney
Jan 6 '14 at 19:06
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