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Symfony 2 EntityManager injection in service
I've created my own service and I need to inject doctrine EntityManager, but I don't see that __construct() is called on my service, and injection doesn't work.
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Downcasting shared_ptr to shared_ptr?
...n the base class. Implicit casting like this may become the source of bugs and errors.
-Update: If the type is not polymorphic, std::static_pointer_cast may be used.
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How to correctly implement custom iterators and const_iterators?
I have a custom container class for which I'd like to write the iterator and const_iterator classes.
6 Answers
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Javascript Functions and default parameters, not working in IE and Chrome
...u can't do this, but you can instead do something like:
function saveItem(andClose) {
if(andClose === undefined) {
andClose = false;
}
}
This is often shortened to something like:
function setName(name) {
name = name || 'Bob';
}
Update
The above is true for ECMAScript <= 5. E...
Call Go functions from C
...hould make things a little clearer.
package foo
// extern int goCallbackHandler(int, int);
//
// static int doAdd(int a, int b) {
// return goCallbackHandler(a, b);
// }
import "C"
//export goCallbackHandler
func goCallbackHandler(a, b C.int) C.int {
return a + b
}
// This is the public ...
Convert NSNumber to int in Objective-C
...mplicit conversion is now disallowed with ARC.
– Alexander
Nov 21 '17 at 12:52
basically [key intValue] (key is NSNumb...
How to create named and latest tag in Docker?
...n image containing Node.js 0.10.24). I built that image using a Dockerfile and executing docker build and by providing a tag using the -t parameter.
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How do I return rows with a specific value first?
...turn the rows of the table where a column contains a specific value first, and then return the rest of the rows alphabetized.
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What is “X-Content-Type-Options=nosniff”?
I am doing some penetration testing on my localhost with OWASP ZAP, and it keeps reporting this message:
5 Answers
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Confusion between numpy, scipy, matplotlib and pylab
Numpy, scipy, matplotlib, and pylab are common terms among they who use python for scientific computation.
3 Answers
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