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Mythical man month 10 lines per developer day - how close on large projects? [closed]
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@mm24 Fourthly, massive performance improvements. F# is orders of magnitude faster than Mathematica and their proof-of-concept code in F# is 5x faster than their production C++ code. This means that tests execute in seconds rather than hours, at which point testing becomes an inte...
What exactly are “spin-locks”?
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When you use regular locks (mutexes, critical sections etc), operating system puts your thread in the WAIT state and preempts it by scheduling other threads on the same core. This has a performance penalty if the wait time is really short, because your thread now has to wait for ...
How to map calculated properties with JPA and Hibernate
...plex queries on other tables:
@Formula("(select min(o.creation_date) from Orders o where o.customer_id = id)")
private Date firstOrderDate;
Where id is the id of the current entity.
The following blog post is worth the read: Hibernate Derived Properties - Performance and Portability.
Without mo...
What are forward declarations in C++?
...hat you expected.
So, just to keep things explicit and avoid the guessing etc, the compiler insists you declare everything before it is used.
Difference between declaration and definition
As an aside, it's important to know the difference between a declaration and a definition. A declaration jus...
Mail multipart/alternative vs multipart/mixed
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Don't forget to order the subparts of your multipart/alternative correctly. The last entry is the best/highest priority part, so you probably want to put the text/html part as the last subpart. Per RFC1341.
– Luna
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How to dynamically change a web page's title?
...nt the user to see the title matching the view he's on. For most web-apps etc. it seems like a good sollution to keep using this. I might have overlooked a different function though?
– Mathijs Segers
Aug 7 '13 at 8:55
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How can I use grep to find a word inside a folder?
...nd texts "MobileAppSe", "MobileAppSer", "MobileAppSerr", "MobileAppSerrr", etc. in current directory's files contents - not what the user wants either.
– usta
Mar 27 '13 at 6:36
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Simpler way to put PDB breakpoints in Python code?
...ork alright. Most other 'simple' programmers editors (emacs, sublimetext, etc) should have similar easy ways to do this.
Edit:
I actually have:
au FileType python map <silent> <leader>b oimport pdb; pdb.set_trace()<esc>
au FileType python map <silent> <leader>B Oimpo...
Editing screenshots in iTunes Connect after iOS app was approved
...onable to not be allowed to change the images themselves, but changing the order could still be allowed, which is all that the OP (or myself) want. Still, I can understand that it's a more coherent policy to just not allow editing of metadata outside of an update.
– PeterT
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lexers vs parsers
...d/matched parentheses (()()(()())), nested HTML/BBcode tags, nested blocks etc. It's because state automata to deal with it should have to have infinitely many states to handle infinitely many nesting levels.
Level 2: Context-free grammars
They can have nested, recursive, self-similar branches in t...