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How do I show the value of a #define at compile-time?
...al query, but this may still be useful.
This can be done in GCC using the stringify operator "#", but it requires two stages.
#define XSTR(x) STR(x)
#define STR(x) #x
The value of a macro can then be displayed with:
#pragma message "The value of ABC: " XSTR(ABC)
See: 3.4 Stringification in th...
How to find day of week in php in a specific timezone
... database I made. When searching across multiple dates, having that little extra DOW abbreviation is nice.
– user208145
Jun 3 '16 at 2:44
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Floating point vs integer calculations on modern hardware
...application. If you are developing for the x86 architecture, and you need extra performance, you might want to look into using the SSE extensions. This can greatly speed up single-precision floating point arithmetic, as the same operation can be performed on multiple data at once, plus there is a ...
Simple (non-secure) hash function for JavaScript? [duplicate]
...er-compatible) JavaScript? Ideally I'd like something that, when passed a string as input, produces something similar to the 32 character hexadecimal string that's the typical output of MD5, SHA1, etc. It doesn't have to be cryptographically secure, just reasonably resistant to collisions. (My in...
What methods of ‘clearfix’ can I use?
...: hidden", as it doesn't crop CSS3 box shadows or positioned elements. The extra lines of code are definitely worth it.
– Aneon
Oct 15 '11 at 15:25
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Kotlin secondary constructor
...1. (solves your case) Define a factory method next to your class
fun C(s: String) = C(s.length)
class C(a: Int) { ... }
usage:
val c1 = C(1) // constructor
val c2 = C("str") // factory method
Technique 2. (may also be useful) Define default values for parameters
class C(name: String? = null) ...
Single Page Application: advantages and disadvantages [closed]
...can authenticate). This approach maps directly to a more traditional query string, the difference is merely in the execution. With HTML5 pushState() you can eliminate the #hash and use completely classic URLs which can resolve on the server on the first request and then load via ajax on subsequent ...
Move (or “Undo”) last git commit to unstaged area [duplicate]
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git-extras provides a git undo command which is an easier to remember way of doing the same thing (along with a number of other handy extras, as the name implies).
...
error: Unable to find vcvarsall.bat
...haracters, then you need to check that you path variable does not have any extraneous characters like extra quotations or stray characters. The batch file is not going to be able to update your session path if it can't make sense of it in the first place.
If that went well, you should get one of the...
Difference between DTO, VO, POJO, JavaBeans?
...just for transfering unrelated data like this one class SomeClass { public String foo;public String bar; } inside a class with a lot of complicated logic, for sure it is not a JavaBean, it can't be a VO as it is mutable, could it be a DTO? altought it is not targeted for remote invocations of any so...