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Understanding Fragment's setRetainInstance(boolean)
...you leave the Activity by pressing the back button (thus, calling finish() and effectively destroying the Activity), all of the Activitys attached Fragments will also be destroyed.
Why doesn't it work with fragments on the back stack?
There are probably multiple reasons why it's not supported,...
Compare version numbers without using split function
... @dev_Boston only one exception...just do with these values v1=1.0001 and v2=1.1 .it gives me equal.
– Sankar M
Sep 27 '11 at 11:31
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Escape a string for a sed replace pattern
...replacement string (escapes themselves, forward slash for end of statement and & for replace all):
ESCAPED_REPLACE=$(printf '%s\n' "$REPLACE" | sed -e 's/[\/&]/\\&/g')
# Now you can use ESCAPED_REPLACE in the original sed statement
sed "s/KEYWORD/$ESCAPED_REPLACE/g"
If you ever need t...
Using C# regular expressions to remove HTML tags
... to process XML or HTML documents. They do not perform very well with HTML and XML documents, because there is no way to express nested structures in a general way.
You could use the following.
String result = Regex.Replace(htmlDocument, @"<[^>]*>", String.Empty);
This will work for mos...
How to detect internet speed in JavaScript?
...an I create a JavaScript page that will detect the user’s internet speed and show it on the page? Something like “your internet speed is ??/?? Kb/s” .
...
Get Substring between two characters using javascript
...string from within a larger string where it get everything inbetween a ':' and a ';'.
16 Answers
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Can't start hostednetwork
...ers tree , right click button on Microsoft Hosted Network Virtual Adapter and click on enable.
Try now with the command netsh wlan start hostednetwork with admin privileges. It should work.
Note: If you don't see the network adapter with name 'Microsoft Hosted Network Virtual Adapter' try on men...
Invalid postback or callback argument. Event validation is enabled using '
...e cost).
Use ASP.NET Ajax UpdatePanel. (Put the listbox in the Updatepanel and trigger a update, if you add or remove listbox. This way viewstate and related fields get updates and eventvalidation will pass.)
Forget client-side and use the classic postback and add or remove the listitems server-side...
Spinlock versus Semaphore
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Spinlock and semaphore differ mainly in four things:
1. What they are
A spinlock is one possible implementation of a lock, namely one that is implemented by busy waiting ("spinning"). A semaphore is a generalization of a lock (or, th...
JetBrains / IntelliJ keyboard shortcut to collapse all methods
...working on some legacy code that has a class that is 10,000+ lines of code and has 100s of methods. Is there a shortcut for any JetBrains IDE (since the shortcut would likely be shared across all of them) to collapse all the methods / functions so that only the method signatures are shown?
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