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What exactly is a C pointer if not a memory address?
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The C standard does not define what a pointer is internally and how it works internally. This is intentional so as not to limit the number of platforms, where C can be implemented as a compiled or interpreted language.
A pointer value can be some kind of ID or handle or a combin...
Show SOME invisible/whitespace characters in Eclipse
A long while back I transitioned to doing all my web application development in Eclipse from BBEdit. But I miss one little feature from BBEdit. I used to be able to show invisible characters like tabs but not show other invisibles like spaces. I know that I can bulk turn all of these on in Eclipse, ...
How to use filter, map, and reduce in Python 3
... longer return lists:
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map() and filter() return iterators. If you really need a list, a quick fix is e.g. list(map(...)), but a better fix is often to use a list comprehension (especially when the original code uses lambda), or rewriting the code so it doesn’t need a list at all. Particular...
Exporting data In SQL Server as INSERT INTO
...base, right-click and pick "Tasks" and then "Generate Scripts".
This will allow you to generate scripts for a single or all tables, and one of the options is "Script Data". If you set that to TRUE, the wizard will generate a script with INSERT INTO () statement for your data.
If using 2008 R2 or ...
How to exit from the application and show the home screen?
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will it dealocate all the resources? Because when I exit the app this way and after some time I click the app icon again. It starts from where I left it. That means the app was still running in the background.
– Adil Mali...
Detect if value is number in MySQL
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The accepted answer is really clever, but this answer is more direct, and I think it should be the accepted solution.
– pedromanoel
Oct 30 '13 at 15:50
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How can I get a count of the total number of digits in a number?
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@Puterdo Borato: my performance test actually showed that your method is faster when the number of digits are < 5. Pass that, Steve's Math.floor is faster.
– stack247
Apr 7 '15 at 22:56
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How can I push a specific commit to a remote, and not previous commits?
... commits, not to be confused with the top, first, or tip commit, which are all ambiguous descriptions in my opinion. The commit needs to the oldest of your commits, i.e. the furthest from your most recent commit. If it's not the oldest commit then all commits from your oldest, local, non-pushed SHA ...
Master-master vs master-slave database architecture?
...t seems to offer everything, no single point of failure, everyone can work all the time. The trouble with this is that it is very hard to preserve absolute consistency. See the wikipedia article for more.
Wikipedia seems to have a nice summary of the advantages and disadvantages
Advantages
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How to sparsely checkout only one single file from a git repository?
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Originally, I mentioned in 2012 git archive (see Jared Forsyth's answer and Robert Knight's answer), since git1.7.9.5 (March 2012), Paul Brannan's answer:
git archive --format=tar --remote=origin HEAD:path/to/directory -- filename...