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When is .then(success, fail) considered an antipattern for promises?
...h(e) {
logger.log(e);
}
The catch logger will also handle exceptions from the success logger call.
So much for the difference.
I don't quite understand its explanation as for the try and catch
The argument is that usually you want to catch errors in every step of the processing, and tha...
Parse JSON String into a Particular Object Prototype in JavaScript
...his.a*this.b;};
// IF AN OBJECT WAS PASSED THEN INITIALISE PROPERTIES FROM THAT OBJECT
for (var prop in obj) this[prop] = obj[prop];
}
var fooObj = new Foo();
alert(fooObj.test() ); //Prints 6
// INITIALISE A NEW FOO AND PASS THE PARSED JSON OBJECT TO IT
var fooJSON = new Foo(JSON.parse('...
Combine two data frames by rows (rbind) when they have different sets of columns
...
rbind.fill from the package plyr might be what you are looking for.
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What are the true benefits of ExpandoObject?
... {0}", sender);
}
}
Also, keep in mind that nothing is preventing you from accepting event arguments in a dynamic way. In other words, instead of using EventHandler, you can use EventHandler<dynamic> which would cause the second argument of the handler to be dynamic.
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When to delete branches in Git?
...oping.
Delete old branches with
git branch -d branch_name
Delete them from the server with
git push origin --delete branch_name
or the old syntax
git push origin :branch_name
which reads as "push nothing into branch_name at origin".
That said, as long as the DAG (directed acyclic graph) ...
How do I move forward and backward between commits in git?
...ially important in cases like this, where the goal is to prevent the shell from interpreting special characters. That way, you don’t need to know whether the string contains anything that’s problematic.
– Chris Page
Mar 26 '19 at 5:12
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How to use System.Net.HttpClient to post a complex type?
... HttpRequestMessage<Widget>(widget)
will no longer work.
Instead, from this post, the ASP.NET team has included some new calls to support this functionality:
HttpClient.PostAsJsonAsync<T>(T value) sends “application/json”
HttpClient.PostAsXmlAsync<T>(T value) sends “appli...
Proper stack and heap usage in C++?
...u do not malloc() or new) lives on the stack. It goes away when you return from the function. If you want something to live longer than the function that declared it, you must allocate it on the heap.
class Thingy;
Thingy* foo( )
{
int a; // this int lives on the stack
Thingy B; // this thing...
Are there legitimate uses for JavaScript's “with” statement?
... loop now works as intended, creating three separate variables with values from 0 to 2. Note that variables declared within the block are not scoped to it, unlike the behavior of blocks in C++ (in C, variables must be declared at the start of a block, so in a way it is similar). This behavior is act...
How do I consume the JSON POST data in an Express application
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This answer is outdated, but the one from @chrisarton is up to date.
– Emil Ingerslev
Jan 11 '16 at 9:30
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