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How do I determine the size of my array in C?
...;
size_t n = sizeof(a) / sizeof(a[0]);
Another advantage is that you can now easily parameterize
the array name in a macro and get:
#define NELEMS(x) (sizeof(x) / sizeof((x)[0]))
int a[17];
size_t n = NELEMS(a);
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git selective revert local changes from a file
...:
git add -i
(select the hunks you want to keep)
git commit -m "tmp"
Now you have a commit with only the changes you want to keep, and the rest is unstaged.
git reset --hard HEAD
At this point, uncommitted changes have been discarded, so you have a clean working directory, with the changes ...
Does Java SE 8 have Pairs or Tuples?
...c, and it wouldn't have satisfied many of the use cases we are envisioning now. Consider that if Pair had been added in the JDK 1.0 time frame, it probably would have been mutable! (Look at java.util.Date.) Would people have been happy with that? My guess is that if there were a Pair class in Java, ...
Why are C# 3.0 object initializer constructor parentheses optional?
... in this area. (The last thing we want to do is make a cheap, easy feature now that makes it much harder to implement a more compelling feature in the future.)
the feature adds no new ambiguities to the lexical, grammatical or semantic analysis of the language. It poses no problems for the sort of "...
Google Chromecast sender error if Chromecast extension is not installed or using incognito
... see this fixed in stable Chrome June-July 2016. Let's see ...
This is a known bug with the official Chromecast JavaScript library. Instead of failing silently, it dumps these error messages in all non-Chrome browsers as well as Chrome browsers where the Chromecast extension isn't present.
The Chr...
Excel “External table is not in the expected format.”
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I have the ACE engine installed, but I need to know what reference I I need to include in my project so that my installer includes it. Not all machines that my app is installed on will necessarily have MS Office installed.
– jp2code
M...
Where are Docker images stored on the host machine?
...ific storage for contents of the images.
/var/lib/docker/graph/<id> now only contains metadata about the image, in the json and layersize files.
In the case of aufs:
/var/lib/docker/aufs/diff/<id> has the file contents of the images.
/var/lib/docker/repositories-aufs is a JSON file ...
How can I make a weak protocol reference in 'pure' Swift (without @objc)
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What's the correct way of doing weak delegates now in Swift? Apple documentation is not showing or declaring the delegate as weak in their example code: developer.apple.com/library/ios/documentation/swift/conceptual/…
– C0D3
Dec 1 ...
Azure SQL Database Bacpac Local Restore
...orrect : Installing latest version of SSDT solved the issue. All is better now.
– Antoine Meltzheim
Oct 30 '13 at 9:57
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Push commits to another branch
...dn't be attempted by the faint of heart unless you're absolutely sure you know what you're doing with respect to any remote repositories and other people who have forks/clones of the same project.
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