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The difference between fork(), vfork(), exec() and clone()
... it true that fork() calls clone() internally?
– gronostaj
Apr 5 '14 at 14:32
24
vfork avoids the...
How to request Administrator access inside a batch file
... to run from their Vista machines with UAC. The file is re-writing their hosts file, so it needs to be run with Administrator permissions. I need to be able to send them an email with a link to the .bat file. The desired behavior is that when they right-click on the file and say Open, they will g...
What's the difference between Perl's backticks, system, and exec?
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For the record, backticks and qx[] also populate $? (the OS return value).
– jjohn
Nov 1 '13 at 16:58
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What characters are forbidden in Windows and Linux directory names?
..." ? and others are forbidden, but there are a infinite number of names composed only of valid characters that are forbidden. For example, spaces and dots are valid filename characters, but names composed only of those characters are forbidden.
Windows does not distinguish between upper-case and low...
What is the difference between JVM, JDK, JRE & OpenJDK?
...cific implementations of the JVM for different systems (Windows, Linux, macOS, see the Wikipedia list), the aim is that with the same bytecodes they all give the same results.
JDK and JRE
To explain the difference between JDK and JRE, the best is to read the Oracle documentation and consult the diag...
Alternatives to JavaScript
...nd there's a bit of a learning curve, but it's not the language's fault.
Most people assume that Javascript is like Java because it has similar syntax and a similar name, but actually it's a lot more like lisp. It's actually pretty well suited to DOM manipulation.
The real problem is that it's com...
How do I prompt for Yes/No/Cancel input in a Linux shell script?
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The simplest and most widely available method to get user input at a shell prompt is the read command. The best way to illustrate its use is a simple demonstration:
while true; do
read -p "Do you wish to install this program?" yn
case...
What are the minimum margins most printers can handle?
... edited Apr 12 at 2:43
aaronsnoswell
5,41255 gold badges4141 silver badges6363 bronze badges
answered Aug 18 '10 at 15:01
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“From View Controller” disappears using UIViewControllerContextTransitioning
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I was having the same problem here – looks like a bug in iOS 8. I've filed a radar.
I used Reveal to inspect the view hierarchy after the screen goes black. The key UIWindow is completely empty – no view hierarchy at all!
I played around a bit and it looks like there is an ea...
WebSockets vs. Server-Sent events/EventSource
...eting technologies. What is the difference between them? When would you choose one over the other?
6 Answers
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