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Are default enum values in C the same for all compilers?
...limits.h>
enum E {
E0,
E1,
E2 = 3,
E3 = 3,
E4,
E5 = INT_MAX,
#if 0
/* error: overflow in enumeration values */
E6,
#endif
};
int main(void) {
/* If unspecified, the first is 0. */
assert(E0 == 0);
assert(E1 == 1);
/* Repeated number, no problem. *...
How do I delete rows in a data frame?
... answered Sep 8 '12 at 4:39
A5C1D2H2I1M1N2O1R2T1A5C1D2H2I1M1N2O1R2T1
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Who wrote this programing saying? “Always code as if the guy who ends up maintaining your code will
...e link can be fixed by changing http://groups.google.com/group/comp.lang.c%2B%2B... to http://groups.google.com/group/comp.lang.c++...
– Jason Plank
Sep 6 '11 at 16:37
20
...
Add days to JavaScript Date
...fied: Date.prototype.addDays=function(d){return new Date(this.valueOf()+864E5*d);};
– Duncan
Oct 15 '14 at 17:51
30
...
dynamic_cast and static_cast in C++
...e of two directions: from base to derived (B2D) or from derived to base (D2B). It's simple enough to see how D2B casts would work at runtime. Either ptr was derived from Type or it wasn't. In the case of D2B dynamic_cast<>s, the rules are simple. You can try to cast anything to anything e...
MQTT客户端内置版使用指导 · App Inventor 2 中文网
... PublishBytes
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原始Payload为 A5 01 02 DC 05；文本视图可能乱码，按原始字节核对
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Er...
Can I recover a branch after its deletion in Git?
...reation date and commit message):
git cat-file -p 48540dfa438ad8e442b18e57a5a255c0ecad0560
To see also the diffs:
git log -p 48540dfa438ad8e442b18e57a5a255c0ecad0560
Once you found your commit, then create a branch on this commit with:
git branch commit_rescued 48540dfa438ad8e442b18e57a5a255c...
Creating a Radial Menu in CSS
... 0 .125em .5em #876366;
background: radial-gradient(#d4c7c5, #e5e1dd);
}
ul {
z-index: 1;
margin: -$r + $exp + 1.5*$d 0; // position correction
padding: 0;
list-style: none;
transform-origin: 50% (-$r + $exp);
transform: scale(.001); // initial state: scaled dow...
Git: Find the most recent common ancestor of two branches
...merge-base. Usage:
$ git merge-base branch2 branch3
050dc022f3a65bdc78d97e2b1ac9b595a924c3f2
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