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UnicodeDecodeError when redirecting to file
...an,…): these encodings map a set of common characters to numbers between 0 and 255 (i.e. bytes); the relatively limited exchange of files before the advent of the web made this situation of incompatible encodings tolerable, as most programs could ignore the fact that there were multiple encodings ...
Can you change what a symlink points to after it is created?
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106
AFAIK, no, you can't. You have to remove it and recreate it. Actually, you can overwrite a syml...
Android AsyncTask threads limits?
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207
All AsyncTasks are controlled internally by a shared (static) ThreadPoolExecutor and a LinkedBl...
How do I check if a number is a palindrome?
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Explain Python entry points?
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edited Oct 23 '19 at 10:33
Paolo
10.1k66 gold badges2121 silver badges4444 bronze badges
answered Ap...
Access multiple elements of list knowing their index
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edited Dec 16 '18 at 1:04
answered Aug 16 '13 at 11:25
T...
Is there a command to list SVN conflicts?
... the conflicts, pipe the status through grep.
svn status | grep -P '^(?=.{0,6}C)'
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How to disable scrolling temporarily?
...ed with scrolling.
[Working demo]
// left: 37, up: 38, right: 39, down: 40,
// spacebar: 32, pageup: 33, pagedown: 34, end: 35, home: 36
var keys = {37: 1, 38: 1, 39: 1, 40: 1};
function preventDefault(e) {
e.preventDefault();
}
function preventDefaultForScrollKeys(e) {
if (keys[e.keyCode]) ...
Pass a data.frame column name to a function
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109
You can just use the column name directly:
df <- data.frame(A=1:10, B=2:11, C=3:12)
fun1 &l...
What is the meaning of the term arena in relation to memory?
... For example:
char * arena = malloc(HUGE_NUMBER);
unsigned int current = 0;
void * my_malloc(size_t n) { current += n; return arena + current - n; }
The point is that you get full control over how the memory allocation works. The only thing outside your control is the single library call for th...