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Actual meaning of 'shell=True' in subprocess
...lling via the shell is that you are not invoking a 'mystery program.' On POSIX, the environment variable SHELL controls which binary is invoked as the "shell." On Windows, there is no bourne shell descendent, only cmd.exe.
So invoking the shell invokes a program of the user's choosing and is plat...
Will iOS launch my app into the background if it was force-quit by the user?
...E2:
You can achieve this using the new PushKit framework, introduced in iOS 8. Though PushKit is used for VoIP. So your usage should be for VoIP related otherwise there is risk of app rejection. (See this answer).
UDPDATE1:
The documentation has been clarified for iOS8. The documentation can b...
Error: could not find function … in R
...nctions.
If you have no clue about the package, you can use findFn in the sos package as explained in this answer.
RSiteSearch("some.function") or searching with rdocumentation or rseek are alternative ways to find the function.
Sometimes you need to use an older version of R, but run code created...
What file uses .md extension and how should I edit them?
...
can we add images or through link in .md file... is it possible?
– Raphael
Jan 22 '16 at 4:54
...
Group vs role (Any real difference?)
...ide between role and group comes from concepts of computer security (as opposed to simply resource management). Prof. Ravi Sandhu provides a seminal coverage of the semantic difference between roles and groups.
http://profsandhu.com/workshop/role-group.pdf
A group is a collection of users with a g...
Can I change the root EBS device of my amazon EC2 instance?
...ernate EBS volume as the root: /dev/sda1
Start the instance.
This presupposes that your alternate EBS volume is bootable, of course - it has to contain the bootable OS image.
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Flash CS4 refuses to let go
...- I thought it was time. The new Jenine was better in every way - she had lost some code bloat, she had decoupled herself from a few vestigial class relationships, and she had finally come home to the namespace that she had always secretly known in her heart was the one she truly belonged to. She wa...
iOS 7 parallax effect in my view controller
I'm developing an app for iOS 7 in Objective-C. I've got a screen in my app with a few buttons and a pretty background image. (It's a simple xib with UIButtons on top of a UIImageView .)
...
Android - Start service on boot
... I have everything set up correctly to start an IntentService when Android OS boots. Unfortunately it is not starting on boot, and I'm not getting any errors. Maybe the experts can help...
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Read a text file using Node.js?
...g system. However, reading the file as such requires you to do your own (possibly) incremental parsing/processing of the file and some amount of buffering might be inevitable.
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