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Determining complexity for recursive functions (Big O notation)
...nd I need help determining the complexity of these recursive functions. I know how to solve simple cases, but I am still trying to learn how to solve these harder cases. These were just a few of the example problems that I could not figure out. Any help would be much appreciated and would greatly he...
How to delete cookies on an ASP.NET website
...ies["userId"] != null)
{
Response.Cookies["userId"].Expires = DateTime.Now.AddDays(-1);
}
But it also makes sense to use
Session.Abandon();
besides in many scenarios.
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improve th...
How to have an automatic timestamp in SQLite?
...rged your answer and javed's. With DEFAULT (STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW', 'localtime')) one actually gets meaningful microsecond values.
– Dietmar
Jun 22 '17 at 18:24
...
How to make a promise from setTimeout
...ions for resolving/rejecting the promise as arguments.
First, since async now has a meaning in JavaScript (even though it's only a keyword in certain contexts), I'm going to use later as the name of the function to avoid confusion.
Basic Delay
Using native promises (or a faithful polyfill) it wou...
Django auto_now and auto_now_add
...
Any field with the auto_now attribute set will also inherit editable=False and therefore will not show up in the admin panel. There has been talk in the past about making the auto_now and auto_now_add arguments go away, and although they still exist...
How to integrate nodeJS + Socket.IO and PHP?
...age (represents a chat message), we broadcast it to every users connected. Now, the tricky part: client-side! That the part that took me most of the time, because I didn't know which script include to be able to run Socket.IO code without the nodeServer (because client page will be served by Apache)...
Convert UTC datetime string to local datetime
... zones:
from_zone = tz.tzutc()
to_zone = tz.tzlocal()
# utc = datetime.utcnow()
utc = datetime.strptime('2011-01-21 02:37:21', '%Y-%m-%d %H:%M:%S')
# Tell the datetime object that it's in UTC time zone since
# datetime objects are 'naive' by default
utc = utc.replace(tzinfo=from_zone)
# Convert ...
Convert a character digit to the corresponding integer in C
...the same for letters, for example:
char c = 'b';
int x = c - 'a'; // x is now not necessarily 1
The standard guarantees that the char values for the digits '0' to '9' are contiguous, but makes no guarantees for other characters like letters of the alphabet.
...
Code coverage with Mocha
... the following, after you get your mocha tests to pass:
npm install nyc
Now, simply place the command nyc in front of your existing test command, for example:
{
"scripts": {
"test": "nyc mocha"
}
}
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Android 4.2: back stack behaviour with nested fragments
...only the feasible case I have said. =)
Note: Since getFragments method is now a private method, this solution will not work. You can check comments for a link which suggests a solution about this situation.
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