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How to wait for the 'end' of 'resize' event and only then perform an action?
...meout() and clearTimeout()
function resizedw(){
// Haven't resized in 100ms!
}
var doit;
window.onresize = function(){
clearTimeout(doit);
doit = setTimeout(resizedw, 100);
};
Code example on jsfiddle.
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...
What is the difference between a field and a property?
...Note that the given example doesn't encapsulate squat. This property gives 100 % full access to the private field, so this isn't object-oriented at all. You might as well have a public field in this case. Granted, it helps (marginally) to refactor code in the future, but any IDE worth it's mettle ca...
What is context in _.each(list, iterator, [context])?
.../ elements less than 5
_.filter(r, lt, 3); // elements less than 3
// add 100 to the elements:
_.map(r, addTo, 100);
// encode eggy peggy:
_.map(words, addTo, "egg").join(" ");
// get length of words:
_.map(words, pluck, "length");
// find words starting with "e" or sooner:
_.filter(words, lt, ...
byte[] to file in Java
...
From the doc: NOTE: As from v1.3, the parent directories of the file will be created if they do not exist.
– bmargulies
Dec 3 '10 at 21:51
...
Extracting just Month and Year separately from Pandas Datetime column
..., you could do this as:
df['YearMonth'] = df['ArrivalDate'].map(lambda x: 100*x.year + x.month)
or many variants thereof.
I'm not a big fan of doing this, though, since it makes date alignment and arithmetic painful later and especially painful for others who come upon your code or data without ...
VC窗口刷新InvalidateRect和UpdateWindow - C/C++ - 清泛网 - 专注C/C++及内核技术
...ows会在这里返回绘图信息结构，结构中包含了无效区域的位置和大小，绘图信息结构的定义如下：
typedef struct tagPAINTSTRUCT { // ps
HDC hdc;
BOOL fErase;
RECT rcPaint;
BOOL fR...
Best way to parse RSS/Atom feeds with PHP [closed]
... $summary = strip_tags($summary);
// Truncate summary line to 100 characters
$max_len = 100;
if (strlen($summary) > $max_len)
$summary = substr($summary, 0, $max_len) . '...';
return $summary;
}
}
...
通过FastCGI Cache实现服务降级 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...r;
fastcgi_cache_path
/tmp
levels=1:2
keys_zone=failover:100m
inactive=10d
max_size=10g;
upstream php {
server 127.0.0.1:9000;
server 127.0.0.1:9001;
}
server {
listen 80;
limit_conn perserver 1000;
server_name *.xip.io;
root /us...
How to calculate the difference between two dates using PHP?
...ear--;
}
$leapyear = $year % 400 == 0 || ($year % 100 != 0 && $year % 4 == 0);
$days = $leapyear ? $days_in_month_leap[$month] : $days_in_month[$month];
$result["d"] += $days;
$result["m"]--;
}
} else {
while (...
Algorithm to detect corners of paper sheet in photo
...9_KCOS)
contours = filter(lambda cont: cv2.arcLength(cont, False) > 100, contours)
contours = filter(lambda cont: cv2.contourArea(cont) > 10000, contours)
# simplify contours down to polygons
rects = []
for cont in contours:
rect = cv2.approxPolyDP(cont, 40, True)....