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Is it possible to cast a Stream in Java 8?
Is it possible to cast a stream in Java 8? Say I have a list of objects, I can do something like this to filter out all the additional objects:
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How to send an email from JavaScript
I want my website to have the ability to send an email without refreshing the page. So I want to use Javascript.
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Python: Checking if a 'Dictionary' is empty doesn't seem to work
I am trying to check if a dictionary is empty but it doesn't behave properly. It just skips it and displays ONLINE without anything except of display the message. Any ideas why ?
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SSH to Elastic Beanstalk instance
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I found it to be a 2-step process. This assumes that you've already set up a keypair to access EC2 instances in the relevant region.
Configure Security Group
In the AWS console, open the EC2 tab.
Select the relevant region and cli...
Maximum number of threads per process in Linux?
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Linux doesn't have a separate threads per process limit, just a limit on the total number of processes on the system (threads are essentially just processes with a shared address space on Linux) which you can view like this:
cat /proc/sys/kernel/threads-max
The default is th...
Webfonts or Locally loaded fonts?
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First, I'll clear something up about Google's offering. It will actually load the smallest format your browser can handle. WOFF offers small file sizes, and your browser supports it, so it's the one you see. WOFF is also fairly widely supported. However, in Opera for example, you'...
How can you integrate a custom file browser/uploader with CKEditor?
...lear - what's the correct way to integrate a custom file browser/uploader with CKEditor? (v3 - not FCKEditor)
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How does mockito when() invocation work?
Given the following Mockito statement:
2 Answers
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Location Manager Error : (KCLErrorDomain error 0)
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This error occurs if you have Scheme/Edit Scheme/Options/Allow Location Simulation checked but don't have a default location set. I'm sure there are other causes as well though.
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Making the iPhone vibrate
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From "iPhone Tutorial: Better way to check capabilities of iOS devices":
There are two seemingly similar functions that take a parameter kSystemSoundID_Vibrate:
1) AudioServicesPlayAlertSound(kSystemSoundID_Vibrate);
2) AudioServicesPlaySystemSound(kSystemSoundID_Vibrate);...