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Most efficient way to make the first character of a String lower case?
... would return "HI"). This was almost the fastest.
char c[] = string.toCharArray();
c[0] = Character.toLowerCase(c[0]);
string = new String(c);
test3 was a modification of test2, but instead of Character.toLowerCase(), I was adding 32, which works correctly if and only if the string is in ASCII. Th...
What exactly is a C pointer if not a memory address?
...olics Lisp Machines (circa 1990). Each C object was implemented as a Lisp array, and pointers were implemented as a pair of an array and an index. Because of Lisp's array bounds checking, you could never overflow from one object to another.
– Barmar
Mar 5 '13...
Is inline assembly language slower than native C++ code?
... inline assembly language and C++ code, so I wrote a function that add two arrays of size 2000 for 100000 times. Here's the code:
...
Preserve Line Breaks From TextArea When Writing To MySQL
...rea solves the problem:
function mynl2br($text) {
return strtr($text, array("\r\n" => '<br />', "\r" => '<br />', "\n" => '<br />'));
}
More here: http://php.net/nl2br
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JavaScript style for optional callbacks
... but this doesn't address the type issue isn't it? what if I pass an array? or a String?
– Zerho
Nov 3 '16 at 10:46
1
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How to tell when UITableView has completed ReloadData?
...ve a race-condition. The solution is to make reloadDataCompletionBlock an array of blocks and iterate over them on execution and empty the array after that.
– Tyler Sheaffer
Nov 24 '17 at 7:24
...
How to speed up insertion performance in PostgreSQL
...irect attached storage, stop now. Back your data up, restructure your RAID array to RAID 10, and try again. RAID 5/6 are hopeless for bulk write performance - though a good RAID controller with a big cache can help.
If you have the option of using a hardware RAID controller with a big battery-backed...
What is the difference between a map and a dictionary?
...ap" is used by Java, C++
"Dictionary" is used by .Net, Python
"Associative array" is used by PHP
"Map" is the correct mathematical term, but it is avoided because it has a separate meaning in functional programming.
Some languages use still other terms ("Object" in Javascript, "Hash" in Ruby, "Ta...
ExpandableListView - hide indicator for groups with no children
...od you get it all done with a one-liner.
You do not need the three Integer arrays in your adapter. You also do not need an XML selector for state expanded and collapsed. All is done via Java.
Plus, this approach also displays the correct indicator when a group is expanded by default what does not w...
Using curl to upload POST data with files
... to the name of your field. And some languages, such as PHP, will build an array if you specify something like "image[]" for the inputs that need to be grouped together.
– jimp
Nov 11 '16 at 20:48
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