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Combining two expressions (Expression)
...ambda = Expression.Lambda<Func<T,bool>>(body, expr1.Parameters[0]);
This also works well to negate a single operation:
static Expression<Func<T, bool>> Not<T>(
this Expression<Func<T, bool>> expr)
{
return Expression.Lambda<Func<T, bool>&...
How to Replace dot (.) in a string in Java
....com/javase/7/docs/api/java/lang/String.html#replaceAll(java.lang.String,%20java.lang.String)
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jQuery - Create hidden form element on the fly
...
620
$('<input>').attr('type','hidden').appendTo('form');
To answer your second question:
$(...
Returning redirect as response to XHR request
...irect response to an ajax request?
If the server sends a redirect (aka a 302 response plus a Location: header) the redirect is automatically followed by the browser. The response to the second request (assuming it also isn't another redirect) is what is exposed to your program.
In fact, you don't ...
Greenlet Vs. Threads
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208
Greenlets provide concurrency but not parallelism. Concurrency is when code can run independent...
How to use SCNetworkReachability in Swift
...dit history if somebody needs it.)
This is how you would do it in Swift 2.0 (Xcode 7):
import SystemConfiguration
func connectedToNetwork() -> Bool {
var zeroAddress = sockaddr_in()
zeroAddress.sin_len = UInt8(sizeofValue(zeroAddress))
zeroAddress.sin_family = sa_family_t(AF_INET)...
C++ Tuple vs Struct
...nchmark code and performance results collected using gcc-4.9.2 and clang-4.0.0:
std::vector<StructData> test_struct_data(const size_t N) {
std::vector<StructData> data(N);
std::transform(data.begin(), data.end(), data.begin(), [N](auto item) {
std::random_device rd;
...
isset() and empty() - what to use
...mpty checks if the variable is set and if it is it checks it for null, "", 0, etc
Isset just checks if is it set, it could be anything not null
With empty, the following things are considered empty:
"" (an empty string)
0 (0 as an integer)
0.0 (0 as a float)
"0" (0 as a string)
NULL
FALSE
array(...
How do I typedef a function pointer with the C++11 using syntax?
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answered May 11 '13 at 15:50
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Git merge left HEAD marks in my files
...D <-+ remove the bits here
digits:[0-9]+ |
{ return digits.join(""); } |
======= <-+
sign:"-"* digits:[0-9]+
{ return sign + digits.join(""); }
>>>&...