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How to track down a “double free or corruption” error
...ed page. So including just the link in the answer is perfectly fine. A few words about why the author prefers Valgrind over gdb and how he would tackle the specific problem is IMHO what's really missing from the answer.
– ndemou
May 17 '16 at 7:16
...
Correct format specifier to print pointer or address?
...thing else pointer' address for the same memory location. This would be a word-addressed, instead of byte-addressed, machine. Such machines are not common (probably not available) these days, but the first machine I worked on after university was one such (ICL Perq).
If you aren't happy with the ...
Dictionary vs Object - which is more efficient and why?
...hat it was implemented exactly in that way. I guess it's not clear from my wording. I also mentioned other factors such as memory allocations, constructor call time etc.
– Vinay Sajip
Aug 26 '09 at 19:34
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Difference between a theta join, equijoin and natural join
...
or perhaps this
S.SNO, SNAME, STATUS, CITY, SP.SNO, PNO, QTY
In other words, NATURAL JOIN in SQL can be considered to remove columns with duplicated names from the resultset (but alas will not remove duplicate rows - you must remember to change SELECT to SELECT DISTINCT yourself).
** I don't...
Running a cron every 30 seconds
...inutes specifier - that means every minute but with a step of 30 (in other words, every half hour). Since cron does not go down to sub-minute resolutions, you will need to find another way.
One possibility, though it's a bit of a kludge(a), is to have two jobs, one offset by 30 seconds:
# Need these...
What is the concept of erasure in generics in Java?
... new set of collections. That's exactly the route that .NET went. In other words, it's this third bullet which is the important one. (Continued.)
– Jon Skeet
Nov 24 '08 at 7:55
15
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Debug.Assert vs Exception Throwing
...se, strengths, and weaknesses.
I was going to type up an answer in my own words but this does the concept better justice than I would have:
C# Station: Assertions
The use of assert statements can be an
effective way to catch program logic
errors at runtime, and yet they are
easily filter...
What does principal end of an association means in 1:1 relationship in Entity framework
... of the dependent end, because a primary key is by nature unique. In other words, they half-implemented it and took a shortcut that dictates that your tables have to be design in a non-standard way.
– Chris Pratt
Jun 30 '17 at 13:42
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Why use Abstract Base Classes in Python?
...; isinstance(ContainAllTheThings(), collections.Container)
True
In other words, if you implement the right interface, you're a subclass! ABCs provide a formal way to define interfaces in Python, while staying true to the spirit of duck-typing. Besides, this works in a way that honours the Open-Clo...
Simple logical operators in Bash
...e of variables and I want to check the following condition (written out in words, then my failed attempt at bash scripting):
...