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What exactly is Python's file.flush() doing?
...instructed.
Addendum in 2018.
Note that disks with cache mechanisms is now much more common than back in 2013, so now there are even more levels of caching and buffers involved. I assume these buffers will be handled by the sync/flush calls as well, but I don't really know.
...
CSS customized scroll bar in div
...lbar-shadow-color:
}
Chrome & Safari (WebKit)
Similarly, WebKit now has its own version:
Styling scrollbars: https://www.webkit.org/blog/363/styling-scrollbars/
Demo of all WebKit scroll bar styling
From Custom scrollbars in WebKit, relevant CSS:
/* pseudo elements */
::-webkit-scrollb...
Adding an identity to an existing column
...archar(10)
);
ALTER TABLE Test SWITCH TO Test2;
-- drop the original (now empty) table
DROP TABLE Test;
-- rename new table to old table's name
EXEC sp_rename 'Test2','Test';
-- update the identity seed
DBCC CHECKIDENT('Test');
-- see same records
SELECT * FROM Test;
This is obviou...
How to get users to read error messages?
...rror messages there will be...which implies...training and documentation...now this is a tricky one to get across...you don't want them to think that there will be 'issues' or 'glitches' and what to do in the event of that...they must not know that there will be possible errors, tricky indeed.
Alway...
Matplotlib - global legend and title aside subplots
I've started with matplot and managed some basic plots, but now I find it hard to discover how to do some stuff I need now :(
...
In what situations would AJAX long/short polling be preferred over HTML5 WebSockets?
...ke AJAX does -- but long polling was created when WebSockets didn't exist. Now due to WebSockets,
long polling is going away.
WebRTC allows for peer-to-peer communication.
I recommend learning WebSockets.
Comparison:
of different communication techniques on the web
AJAX - request → respons...
Why is using a wild card with a Java import statement bad?
...IDE (since your argument is that I shouldn't have to use one), how will I know which package Foo came from? Sure, using an IDE, the IDE will tell me, but your entire argument is that I should be able to read the code without one. Doing explicit imports help document the code (great reason to avoid w...
What is the difference between \r and \n?
... to start printing on the next line.
Obviously that's somewhat irrelevant now, although depending on the console you may still be able to use \r to move to the start of the line and overwrite the existing text.
More importantly, Unix tends to use \n as a line separator; Windows tends to use \r\n a...
Android:What is difference between setFlags and addFlags for intent
...| operator.
// example...
// value of flags: 1
intent.setFlags(2|4);
// now flags have this value: 110
intent.addFlags(8);
// now flags have this value: 1110
share
|
improve this answer
...
std::next_permutation Implementation Explanation
...s to go (ie we can "increase" the permutation by a smaller amount).
Let's now go back to the code:
while (true)
{
It j = i;
--i;
if (*i < *j)
{ // ...
}
if (i == begin)
{ // ...
}
}
From the first 2 lines in the loop, j is an element and i is the element befo...