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Convert int to char in java
...m.out.println(ch); // Prints '4'
There is also a method that can convert from a char back to an int:
int i2 = Character.digit(ch, RADIX);
System.out.println(i2); // Prints '4'
Note that by changing the RADIX you can also support hexadecimal (radix 16) and any radix up to 36 (or Character.MAX_RA...
Auto expand a textarea using jQuery
...d include the needed js files...
To prevent the scrollbar in the textarea from flashing on & off during expansion/contraction, you can set the overflow to hidden as well:
$('#textMeetingAgenda').css('overflow', 'hidden').autogrow()
Update:
The link above is broken. But you can still get...
How do I find the stack trace in Visual Studio?
...ing the Call Stack Window
To open the Call Stack window in Visual Studio, from the Debug menu, choose Windows>Call Stack. To set the local context to a particular row in the stack trace display, double click the first column of the row.
http://msdn.microsoft.com/en-us/library/windows/hardware/h...
All but last element of Ruby array
...n] : super
end
end
Then you can use a negative size to remove elements from the end, like so:
[1, 2, 3, 4].drop(-1) #=> [1, 2, 3]
[1, 2, 3, 4].drop(-2) #=> [1, 2]
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Google Chrome form autofill and its yellow background
...0 50px white inset;
-webkit-text-fill-color: #333;
}
Solution copied from:
Override browser form-filling
Returning JSON from a PHP Script
I want to return JSON from a PHP script.
18 Answers
18
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Most efficient method to groupby on an array of objects
...efficient, as find() is probably O(n). The solution in the answer is O(n), from the reduce (object assignment is O(1), as is push), whereas the comment is O(n)*O(n) or O(n^2) or at least O(nlgn)
– narthur157
Jul 11 '18 at 10:47
...
How do shift operators work in Java? [duplicate]
...converting back to an int.) It's also useful for transforming an int value from signed (Java) to an unsigned equivalent (C/C++; Java doesn't have unsigned types, which is one of its shortcomings).
– Agi Hammerthief
Apr 16 '18 at 13:05
...
Java dynamic array sizes?
... in size. When it does you'll have to allocate a new one and copy the data from the old to the new:
int[] oldItems = new int[10];
for (int i = 0; i < 10; i++) {
oldItems[i] = i + 10;
}
int[] newItems = new int[20];
System.arraycopy(oldItems, 0, newItems, 0, 10);
oldItems = newItems;
If you...
How to get a resource id with a known resource name?
...in 0 - 1 ms! So it's not slow, it's super fast! I'm using it to get images from resources and it works perfectly. Tested on Nexus5x.
– Kirill Karmazin
Apr 25 '17 at 21:16
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