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Why should I use var instead of a type? [duplicate]
...ystal clear on the RHS of the assignment (e.g. via a cast or a constructor call), where's the benefit of also having it on the LHS? It's a personal preference though.
If you don't want R# suggesting the use of var, just change the options. One thing about ReSharper: it's very configurable :)
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Symfony2 : How to get form validation errors after binding the request to the form
... snippet in the class where you need this functionality it will be able to call itself. Your "fix" will prevent you to reach the nested forms. It worked for 37 other people, it should work for you too ;)
– Flip
Feb 13 '15 at 16:46
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Is PowerShell ready to replace my Cygwin shell on Windows? [closed]
...Shell. NOTE - it is not an all or nothing deal. Within PowerShell, you can call out to your Unix tools (and use their text process or PowerShell's text processing). Also you can call PowerShell from your Unix tools and get text.
Again - there is no religion here - our focus is on giving you the too...
remove None value from a list without removing the 0 value
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@DrMcCleod The expression x != y internally calls x.__ne__(y) where the ne stands for "not equal". So, None.__ne__ is a bound method that returns True when called with any value other than None. For example, bm = None.__ne__ called with bm(10) returns NotImplemented ...
Get the length of a String
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Before Swift 2.0, count was a global function. As of Swift 2.0, it can be called as a member function.
test1.characters.count
It will return the actual number of Unicode characters in a String, so it's the most correct alternative in the sense that, if you'd print the string and count characters...
Difference between a class and a module
...ndom() on a Math module. But by their nature, a module's methods cannot be called on the module's own self. This has to do with Ruby's notion of self, its metaclasses, and how method lookup works. Check out "Metaprogramming Ruby" - Paolo Perlotta for details.
– scottburton11
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Is it possible to ping a server from Javascript?
...other parts of the source but you get the idea).
function Pinger_ping(ip, callback) {
if(!this.inUse) {
this.inUse = true;
this.callback = callback
this.ip = ip;
var _that = this;
this.img = new Image();
this.img.onload = function() {_that.good();};
this.img.onerr...
Wait 5 seconds before executing next line
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You have to put your code in the callback function you supply to setTimeout:
function stateChange(newState) {
setTimeout(function () {
if (newState == -1) {
alert('VIDEO HAS STOPPED');
}
}, 5000);
}
Any other code will ...
Read-only and non-computed variable properties in Swift
...wing in Objective-C. I have readonly properties, and they cannot be individually changed. However, using a specific method, the properties are changed in a logical way.
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How to scale Docker containers in production
...e 17
The Openstack project now has a new "container as a service" project called Magnum:
https://wiki.openstack.org/wiki/Magnum
Shows a lot of promise, enables the easy setup of Docker orchestration frameworks like Kubernetes and Docker swarm.
Update 18
Rancher is a project that is maturing r...