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How to read a text file reversely with iterator in C#
...eadExactly(Stream input, byte[] buffer, int bytesToRead)
{
int index = 0;
while (index < bytesToRead)
{
int read = input.Read(buffer, index, bytesToRead - index);
if (read == 0)
{
throw new EndOfStreamException
...
Stash just a single file
...st option is to stage everything but this file, and tell stash to keep the index with git stash save --keep-index, thus stashing your unstaged file:
$ git add .
$ git reset thefiletostash
$ git stash save --keep-index
As Dan points out, thefiletostash is the only one to be reset by the stash, but...
jQuery: count number of rows in a table
...
Alternatively...
var rowCount = $('table#myTable tr:last').index() + 1;
jsFiddle DEMO
This will ensure that any nested table-rows are not also counted.
share
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improve this answer...
Select mySQL based only on month and year
...onth:
$first_day = $_POST['period'] . "-01"
Then this query will use an index on Date if you have one:
$q = "
SELECT *
FROM projects
WHERE Date BETWEEN '$first_day'
AND LAST_DAY( '$first_day' )
" ;
One could also use inclusive-exclusive intervals, which ...
Android global variable
... Globals.instance = instance;
}
private String notification_index;
private Globals() {
}
public String getValue() {
return notification_index;
}
public void setValue(String notification_index) {
this.notification_index = notification_index;
...
HTML5 record audio to file
...cording demo available at: http://webaudiodemos.appspot.com/AudioRecorder/index.html
It allows you to record audio in the browser, then gives you the option to export and download what you've recorded.
You can view the source of that page to find links to the javascript, but to summarize, there's...
Django Admin - change header 'Django administration' text
...this in url.py admin.site.site_header = 'My Administration' admin.site.index_title = ('My Admin') admin.site.site_title = ('My Admin page')
– Ashish Gupta
Jul 8 '17 at 16:51
...
Speed up the loop operation in R
...
Biggest problem and root of ineffectiveness is indexing data.frame, I mean all this lines where you use temp[,].
Try to avoid this as much as possible. I took your function, change indexing and here version_A
dayloop2_A <- function(temp){
res <- numeric(nrow(te...
Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?
...e it slower...
function StringBuilder() {
this._array = [];
this._index = 0;
}
StringBuilder.prototype.append = function (str) {
this._array[this._index] = str;
this._index++;
}
StringBuilder.prototype.toString = function () {
return this._array.join('');
}
Here are performa...
Fastest Way to Find Distance Between Two Lat/Long Points
...l 5.7.5, InnoDB tables now also support SPATIAL indices.
Create a SPATIAL index on these points
Use MBRContains() to find the values:
SELECT *
FROM table
WHERE MBRContains(LineFromText(CONCAT(
'('
, @lon + 10 / ( 111.1 / cos(RADIANS(@lon)))
, ' '
, @lat + 10 /...