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Java: how to convert HashMap to array
I need to convert a HashMap<String, Object> to an array; could anyone show me how it's done?
12 Answers
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How to add line breaks to an HTML textarea?
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if you use general java script and you need to assign string to text area value then
document.getElementById("textareaid").value='texthere\\\ntexttext'.
you need to replace \n or < br > to \\\n
otherwise it gives Uncaught SyntaxError: Unexpected token ILLEGAL on all b...
Remove all special characters with RegExp
I would like a RegExp that will remove all special characters from a string. I am trying something like this but it doesn’t work in IE7, though it works in Firefox.
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How to model type-safe enum types?
...to get something most closely resembling a Java Enum (i.e. with sensible toString and valueOf methods -- perhaps you are persisting the enum values to a database) you need to modify it a bit. If you had used skaffman's code:
WeekDay.valueOf("Sun") //returns None
WeekDay.Tue.toString //returns We...
SSL Connection / Connection Reset with IISExpress
...y name "IIS Express Development Certificate". If not, delete it. Or if multiple, delete all.
On Visual Studio, select project and under property tab, enable SSL=true. Save, Build and Run. IIS Express will generate a new 'localhost' certificate.
Note: If it doesn't work, try these: make sure to di...
Autoincrement VersionCode with gradle extra properties
...e release flavor or the debug flavor increase the versionCode. I tried the extra properties, but you can't save them, which means that next time I build it I'm getting the same versionCode.
Any help would be very much appreciated!
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Dynamic variable names in Bash
... you give the name, a fact which can be exploited in conjunction with here-strings:
IFS= read -r -d '' "$name" <<< 'babibab'
echo "$var_37" # outputs “babibab\n”
The IFS part and the option -r make sure that the value is assigned as-is, while the option -d '' allows to assign multi-li...
Smooth scrolling when clicking an anchor link
...ash);
});
Explanation of href*=\\#:
* means it matches what contains # char. Thus only match anchors. For more about the meaning of this, see here
\\ is because the # is a special char in css selector, so we have to escape it.
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Django Admin - change header 'Django administration' text
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Here is an import string to add to urls.py: from django.contrib import admin
– serg
Jan 4 '16 at 22:00
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Performance of Arrays vs. Lists
...ts; i++ )
{
j = theList[i];
}
chrono.Stop ();
Console.WriteLine (String.Format("iterating the List took {0} msec", chrono.ElapsedMilliseconds));
chrono.Reset();
chrono.Start();
for( int i = 0; i < numberOfElements; i++ )
{
j = theArray[i];
}
chrono.Stop ();
Console.Write...