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How do I calculate the date in JavaScript three months prior to today?
...on needed. But more than half the time, that is 31 days ago, not 30. And if today is the 31st of the month (and it isn't August or Decemeber), that day of the month doesn't exist in the previous month.
Interestingly, Google agrees with JavaScript if you ask it what day is one month before another...
Creating a expressjs middleware that accepts parameters
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function HasRole(role) {
return function(req, res, next) {
if (role !== req.user.role) res.redirect(...);
else next();
}
}
I also want to make sure that I don't make multiple copies of the same function:
function HasRole(role) {
return HasRole[role] || (HasRole[role] = fun...
How to develop a soft keyboard for Android? [closed]
...nce again, it's just a Service.
I've been developing an IME, so ask again if you run into an issue.
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CursorLoader usage without ContentProvider
...ad */
@Override
public void deliverResult(Cursor cursor) {
if (isReset()) {
// An async query came in while the loader is stopped
if (cursor != null) {
cursor.close();
}
return;
}
Cursor oldCursor = mCurs...
Example use of “continue” statement in Python?
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Here's a simple example:
for letter in 'Django':
if letter == 'D':
continue
print("Current Letter: " + letter)
Output will be:
Current Letter: j
Current Letter: a
Current Letter: n
Current Letter: g
Current Letter: o
It continues to the next iteration of the l...
JSTL in JSF2 Facelets… makes sense?
...e also evaluated during view build time. Thus the below answer as to JSTL lifecycle also applies to the id and binding attributes of JSF components.
The view build time is that moment when the XHTML/JSP file is to be parsed and converted to a JSF component tree which is then stored as UIViewRoot of...
Add object to ArrayList at specified index
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After you add object2 to position 2, it will move object3 to position 3.
If you want object3 to be at position3 all the time I'd suggest you use a HashMap with position as key and object as a value.
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Dynamically select data frame columns using $ and a character value
I have a vector of different column names and I want to be able to loop over each of them to extract that column from a data.frame. For example, consider the data set mtcars and some variable names stored in a character vector cols . When I try to select a variable from mtcars using a dynamic s...
Any way to properly pretty-print ordered dictionaries?
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pprint.pprint(dict(data)) works well if you don't care about the order of the keys. Personally, I wish the __repr__ for OrderedDict would produce output like this but preserve the order of the keys.
– ws_e_c421
Sep 24 '15 a...
Detect HTTP or HTTPS then force HTTPS in JavaScript
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Try this
if (location.protocol !== 'https:') {
location.replace(`https:${location.href.substring(location.protocol.length)}`);
}
location.href = blah adds this redirect to the browser history. If the user hits the back button, t...