大约有 40,000 项符合查询结果（耗时：0.0588秒） [XML]
How to check which version of v8 is installed with my NodeJS?
... version (don't know since when this is available)
> npm version
{ http_parser: '1.0',
node: '0.10.35',
v8: '3.14.5.9',
ares: '1.9.0-DEV',
uv: '0.10.30',
zlib: '1.2.8',
modules: '11',
openssl: '1.0.1j',
npm: '1.4.28',
xsjs: '0.1.5' }
...
Why can't I forward-declare a class in a namespace using double colons?
... r s t u v w x y z
A B C D E F G H I J K L M
N O P Q R S T U V W X Y Z _
digit: one of
0 1 2 3 4 5 6 7 8 9
Which is the production of the common scheme [a-zA-Z_][a-zA-Z0-9_]* we are all familiar with. As you can see, this precludes class foo::bar; from being a valid forward declaration, bec...
How to return an array from JNI to Java?
...ode is going to look something like this:
JNIEXPORT jintArray JNICALL Java_ArrayTest_initIntArray(JNIEnv *env, jclass cls, int size)
{
jintArray result;
result = (*env)->NewIntArray(env, size);
if (result == NULL) {
return NULL; /* out of memory error thrown */
}
int i;
// fill a temp...
“Variable” variables in Javascript?
...you can either try using eval():
var data = "testVariable";
eval("var temp_" + data + "=123;");
alert(temp_testVariable);
Or using the window object:
var data = "testVariable";
window["temp_" + data] = 123;
alert(window["temp_" + data]);
http://www.hiteshagrawal.com/javascript/dynamic-variable...
Fastest way to determine if an integer's square root is an integer
...04040 computed below
{
for (int i=0; i<64; ++i) goodMask |= Long.MIN_VALUE >>> (i*i);
}
public boolean isSquare(long x) {
// This tests if the 6 least significant bits are right.
// Moving the to be tested bit to the highest position saves us masking.
if (goodMask <&l...
Are Swift variables atomic?
..., strong) id engine;
@property (atomic, strong) id driver;
@end
Uses objc_storeStrong and objc_setProperty_atomic for nonatomic and atomic respectively, where
class SwiftCar {
var engine : AnyObject?
init() {
}
}
uses swift_retain from libswift_stdlib_core and, apparently, does ...
Razor MVC Populating Javascript array with Model Array
...pass a List of Strings to Javascript and then to Typescript for my Angular App :)
– Bluesight
Feb 16 '17 at 8:17
@mmcr...
How to get the function name from within that function?
...", no matter what it was called. Weirdly enough, while testing in the expo app it was fine, however, once compiled into a real application, it would crash silently.
– Andy Corman
Mar 9 at 17:51
...
How can I change a secret Gist to public?
...his one is from the GitHub site. But if I had to guess, I would say itunes.apple.com/us/app/gifgrabber/id668208984?mt=12 (Mac) or screentogif.codeplex.com (Windows)
– VonC
Jan 12 '16 at 5:37
...
List comprehension vs map
...oints, but sometimes map seems easier to read to me: data = map(str, some_list_of_objects). Some other ones... operator.attrgetter, operator.itemgetter, etc.
– Gregg Lind
Aug 8 '09 at 16:06
...