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Loop inside React JSX
...this with a ul (unordered list). <ul> {objects.map((object:string,i:number)=>{ return <li>{object}</li> })} </ul> using TypeScript
– Roberto C Navarro
Sep 28 '15 at 20:10
...
Fastest way to reset every value of std::vector to 0
...ATIONS = 100000;
const size_t TEST_ARRAY_SIZE = 10000;
int main(int argc, char** argv) {
std::vector<int> v(TEST_ARRAY_SIZE, 0);
for(size_t i = 0; i < TEST_ITERATIONS; ++i) {
#if TEST_METHOD == 1
memset(&v[0], 0, v.size() * sizeof v[0]);
#elif TEST_METHOD == 2
...
Convert a string to an enum in C#
What's the best way to convert a string to an enumeration value in C#?
25 Answers
25
...
Boolean vs boolean in Java
... Booleans, conditional operators and autoboxing):
public static void main(String[] args) throws Exception {
Boolean b = true ? returnsNull() : false; // NPE on this line.
System.out.println(b);
}
public static Boolean returnsNull() {
return null;
}
Use Boolean when you need an object, e...
Automatically remove Subversion unversioned files
...X, my alternative is as follows, which translates the linebreaks into null chars and uses the -0 option on xargs to handle spaces in filenames: svn status | grep ^\? | cut -c9- | tr '\n' '\0' | xargs -0 rm
– Brian Webster
Apr 15 '11 at 22:19
...
Comma separator for numbers in R?
... comment:
Be aware that these have the side effect of padding the printed strings with blank space, for example:
> prettyNum(c(123,1234),big.mark=",")
[1] " 123" "1,234"
Add trim=TRUE to format or preserve.width="none" to prettyNum to prevent this:
> prettyNum(c(123,1234),big.mark=",", ...
Why covariance and contravariance do not support value type
...he values. References all look the same - so you can use an IEnumerable<string> as an IEnumerable<object> without any change in representation; the native code itself doesn't need to know what you're doing with the values at all, so long as the infrastructure has guaranteed that it will ...
What is the meaning and difference between subject, user and principal?
...at is the benefit of breaking things down to Subject, Principal, User, its extra complexity what benefit do we get from this extra complexity?
– ams
Feb 17 '11 at 6:20
...
ASP.NET MVC: Unit testing controllers that use UrlHelper
...ier to this: response.Setup(x => x.ApplyAppPathModifier(Moq.It.IsAny<String>())).Returns((String url) => url); It's ugly, but I get the serialized object back in url encoded form, instead of hardcoding the value returned.
– eduncan911
Oct 14 '10 at ...
RESTful Authentication
...as the signing token. Signing should occur before URL encoding the
query string.
This technique is perhaps the more compatible with a Stateless architecture, and can also be implemented with a light session management (using in-memory sessions instead of DB persistence).
For instance, here is a...