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Python: changing value in a tuple
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One use case is if you are storing a large number of small sequences where the values rarely change but on few occasions they might want to. For a small but non-zero length sequence, the memory consumption of tuple (60-bytes ...
What is the difference between Left, Right, Outer and Inner Joins?
...t table you specify in a join, Students, is the LEFT table, and the second one, Lockers, is the RIGHT table.
Each student can be assigned to a locker, so there is a LockerNumber column in the Student table. More than one student could potentially be in a single locker, but especially at the beginni...
How to run a Runnable thread in Android at defined intervals?
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Alex, i have one small doubt.Now the thread is running perfectly and displaying the text continously, if i want to stop this means what i have to do?Please help me.
– Rajapandian
Dec 17 '09 at 14:19
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What is the best way to use a HashMap in C++?
... as the map grows larger. For example, if it takes 1 microsecond to lookup one of 1 million items, then you can expect it to take around 2 microseconds to lookup one of 2 million items, 3 microseconds for one of 4 million items, 4 microseconds for one of 8 million items, etc.
From a practical viewp...
HTML text input allow only numeric input
... this.oldSelectionStart = this.selectionStart;
this.oldSelectionEnd = this.selectionEnd;
} else if (this.hasOwnProperty("oldValue")) {
this.value = this.oldValue;
this.setSelectionRange(this.oldSelectionStart, this.oldSelectionEnd);
} else {
this.valu...
When to use RSpec let()?
... means that if you fat finger the spelling of the instance variable, a new one will be created and initialized to nil, which can lead to subtle bugs and false positives. Since let creates a method, you'll get a NameError when you misspell it, which I find preferable. It makes it easier to refactor...
increment date by one month
...nd added more comments to help me understand it all. In case that helps anyone, I have posted it further down (tried to add it here but it was too long).
– Greg
Nov 13 '16 at 20:11
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How to keep a .NET console app running?
...U resources and slows down your program.
I would definitely say the first one.
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When is it right for a constructor to throw an exception?
... into a usable state. There are basically two schools of thought on this.
One group favors two-stage construction. The constructor merely brings the object into a sleeper state in which it refuses to do any work. There's an additional function that does the actual initialization.
I've never unders...
How to find/identify large commits in git history?
...`echo -e "\n"`
output="${output}\n${size},${compressedSize},${other}"
done
echo -e $output | column -t -s ', '
That will give you the object name (SHA1sum) of the blob, and then you can use a script like this one:
Which commit has this blob?
... to find the commit that points to each of...