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Difference between . and : in Lua
...y the local variable? Because, as many have pointed out, obj:method() only indexes _ENV once to get obj. This normally just important when considering speed, but consider this situation:
local tab do
local obj_local = { method = function(self, n) print n end }
tab = setmetatable({}, {__index = ...
How to set OnClickListener on a RadioButton in Android?
... View radioButton = radio.findViewById(checkedId);
int index = radio.indexOfChild(radioButton);
// Add logic here
switch (index) {
case 0: // first button
Toast.makeText(getApplicationContext(), "Selected butt...
How to stop a JavaScript for loop?
...ript, you use break:
var remSize = [],
szString,
remData,
remIndex,
i;
/* ...I assume there's code here putting entries in `remSize` and assigning something to `remData`... */
remIndex = -1; // Set a default if we don't find it
for (i = 0; i < remSize.length; i++) {
...
PHP variables in anonymous functions
I was playing around with anonymous functions in PHP and realized that they don't seem to reach variables outside of them.
Is there any way to get around this problem?
...
Replace multiple strings with multiple other strings
...ction.
The +n-1 converts the string to the number then 1 is subtracted to index the pets array.
The %number is then replaced with the string at the array index.
The /g causes the lambda function to be called repeatedly with each number which is then replaced with a string from the array.
In mode...
Is there a max array length limit in C++?
...e reached) is set by the restrictions of the size type used to describe an index in the array (and the size thereof). It is given by the maximum value the system's std::size_t can take. This data type is large enough to contain the size in bytes of any object
The other limit is a physical memory li...
Can you animate a height change on a UITableViewCell when selected?
...that reports the original height normally via the tableView: heightForRowAtIndexPath:, then when you want to animate a height change, simply change the value of the variable and call this...
[tableView beginUpdates];
[tableView endUpdates];
You will find it doesn't do a full reload but is enough ...
Getting key with maximum value in dictionary?
...x value"""
v=list(d.values())
k=list(d.keys())
return k[v.index(max(v))]
To give you an idea, here are some candidate methods:
def f1():
v=list(d1.values())
k=list(d1.keys())
return k[v.index(max(v))]
def f2():
d3={v:k for k,v in d1.items()}
return d3[ma...
How can I use a carriage return in a HTML tooltip?
...>link with tip</a>
Firefox won't display multi-line tooltips at all though - it will replace the newlines with nothing.
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EF Migrations: Rollback last applied migration?
...
The name of the migration with index 0 is $InitialDatabase.
– MEMark
Sep 9 '14 at 19:52
...