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How to dynamically change a web page's title?
I have a webpage that implements a set of tabs each showing different content. The tab clicks do not refresh the page but hide/unhide contents at the client side.
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Do Java arrays have a maximum size?
Is there a limit to the number of elements a Java array can contain? If so, what is it?
9 Answers
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Search and replace in bash using regular expressions
...occurrences in the input.
You can also pick your favorite tool using this method, i.e. perl, awk, e.g.:
echo "$MYVAR" | perl -pe 's/[a-zA-Z]/X/g and s/[0-9]/N/g'
This may allow you to do more creative matches... For example, in the snip above, the numeric replacement would not be used unless th...
django test app error - Got an error creating the test database: permission denied to create databas
...es a new database, in your case test_finance. The postgres user with username django does not have permission to create a database, hence the error message.
When you run migrate or syncdb, Django does not try to create the finance database, so you don't get any errors.
You can add the createdb per...
What is the simplest and most robust way to get the user's current location on Android?
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Here's what I do:
First of all I check what providers are enabled. Some may be disabled on the device, some may be disabled in application manifest.
If any provider is available I start location listeners and timeout timer. It's 20 seconds in my example, may not be enough for GPS so you can en...
Check play state of AVPlayer
... addObserver:<self>
selector:@selector(<#The selector name#>)
name:AVPlayerItemDidPlayToEndTimeNotification
object:<#A player item#>];
And to track playing you can:
"track changes in the position of the playhead in an AVPlayer object" by using addPeriodicT...
Is there a tool to convert JavaScript files to TypeScript [closed]
Now TypeScript came out, it is an exciting news for me, but how can I convert all the existing JavaScript files to TypeScript.
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Read password from stdin
...o: An interactive CLI Python program, that is in need for a password. That means also, there's no GUI solution possible.
2 ...
Where is Developer Command Prompt for VS2013?
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From VS2013 Menu Select "Tools", then Select "External Tools". Enter as below:
Title: "VS2013 Native Tools-Command Prompt" would be good
Command: C:\Windows\System32\cmd.exe
Arguments: /k "C:\Program Files (x86)\Microsoft Visual Studio...
What does enctype='multipart/form-data' mean?
What does enctype='multipart/form-data' mean in an HTML form and when should we use it?
9 Answers
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