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Indenting #defines
...not indented most of the time, because these directives operate separately from the rest of your code. Directives such as #ifdef are handled by the pre-processor, before the compiler ever sees your code, so a block of code after an #ifdef directive may not even be compiled.
Keeping directives visua...
What is the purpose of “return await” in C#?
...st), you can still write async code this way which will work nicely called from 4.5 apps.
– ghord
Sep 23 '14 at 11:38
...
Difference between Fact table and Dimension table?
... because the 2 types of tables are created for different reasons. However, from a database design perspective, a dimension table could have a parent table as the case with the fact table which always has a dimension table (or more) as a parent. Also, fact tables may be aggregated, whereas Dimension ...
How to detect pressing Enter on keyboard using jQuery?
...
From the jQuery documentation "The event.which property normalizes event.keyCode and event.charCode. It is recommended to watch event.which for keyboard key input."
– Riccardo Galli
Jun ...
Why does integer overflow on x86 with GCC cause an infinite loop?
...defined behaviour to improve its optimisations, (by removing a conditional from a loop, as in this example). There is no guaranteed, or even useful, mapping between C++ level constructs and x86 level machine code constructs apart from the requirement that the machine code will, when executed, produc...
Url decode UTF-8 in Python
...so you want to decode, with urllib.parse.unquote(), which handles decoding from percent-encoded data to UTF-8 bytes and then to text, transparently:
from urllib.parse import unquote
url = unquote(url)
Demo:
>>> from urllib.parse import unquote
>>> url = 'example.com?title=%D0%...
git ignore exception
...
Use:
*.dll #Exclude all dlls
!foo.dll #Except for foo.dll
From gitignore:
An optional prefix ! which negates the pattern; any matching file excluded by a previous pattern will become included again. If a negated pattern matches, this will override lower precedence patterns sourc...
What do the makefile symbols $@ and $< mean?
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From Managing Projects with GNU Make, 3rd Edition, p. 16 (it's under GNU Free Documentation License):
Automatic variables are set by make after a rule is matched. They
provide access to elements from the target and prer...
PostgreSQL: Is it better to use multiple databases with one schema each, or one database with multip
... @NeilMcGuigan: Interestingly, that seems to be the opposite conclusion from kquinn's (accepted) answer.
– carbocation
Mar 17 '15 at 17:54
8
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How to create the perfect OOP application [closed]
...ing a class hierarchy. There is an abstract base class Item. Book inherits from it. There is an abstract class SalesTax; BasicSalesTax inherits from it. And so on.
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