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Is it bad practice to make a setter return “this”?
...e (including at construction)
you know which fields you need to set at the time you're writing the code, and
there are many different combinations for which fields you want to set.
Alternatives to this method might be:
One mega constructor (downside: you might pass lots of nulls or default valu...
Practical usage of setjmp and longjmp in C
...he like make longjmp()ing tricky, since you then have to setjmp() multiple times in the call stack (once for every function that needs to perform some sort of cleanup before it exits, which then needs to "re-raise the exception" by longjmp()ing to the context that it had initially received). It gets...
What is the size of an enum in C?
...anguage, an enum is guaranteed to be of size of an int. There is a compile time option (-fshort-enums) to make it as short (This is mainly useful in case the values are not more than 64K). There is no compile time option to increase its size to 64 bit.
...
Publish to S3 using Git?
...:
jgit clone amazon-s3://.jgit@git-repos/chef-recipes.git
When it comes time to update it (because jgit doesn’t support merge or pull) you do it in 2 steps:
cd chef-recipes
jgit fetch
git merge origin/master
2 Use FUSE-based file system backed by Amazon S3
Get an Amazon S3 account!
Downlo...
When someone writes a new programming language, what do they write it IN?
... like human beings have, albeit in a comparatively infinitesimal amount of time.
– Gaurav Ojha
Oct 21 '16 at 11:27
Now...
psql: FATAL: database “” does not exist
...e to check that the OP could log in at all. Since it is created at initdb time, it always exists, and was an easy check. From that point forward, your procedure is generally "real life".
– Kirk Roybal
Jul 27 '15 at 22:47
...
Lock, mutex, semaphore… what's the difference?
... to limit the number of cpu, io or ram intensive tasks running at the same time.
For a more detailed post about the differences between mutex and semaphore read here.
You also have read/write locks that allows either unlimited number of readers or 1 writer at any given time.
...
How to delete all datastore in Google App Engine?
...ine-generated/local_db.bin". The file will be generated for you again next time you run the development server and you'll have a clear db.
Make sure to clean your project afterwards.
This is one of the little gotchas that come in handy when you start playing with the Google Application Engine. You...
How to create an empty file at the command line in Windows?
... @barlop: For reference, this was the accepted answer at the time that comment has been written. I don't get a notification each time an answer changes I reference in a comment.
– Joey
Jul 22 '17 at 19:58
...
How do I debug error ECONNRESET in Node.js?
...ocket.io for a chat webapp
and I get the following error randomly around 5 times during 24h.
The node process is wrapped in forever and it restarts itself immediately.
...