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How to avoid null checking in Java?
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This to me sounds like a reasonably common problem that junior to intermediate developers tend to face at some point: they either don't know or don't trust the contracts they are participating in and defensively overcheck for nulls. Additionally, when writing ...
Detect Android phone via Javascript / jQuery
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Take a look at that : http://davidwalsh.name/detect-android
JavaScript:
var ua = navigator.userAgent.toLowerCase();
var isAndroid = ua.indexOf("android") > -1; //&& ua.indexOf("mobile");
if(isAndroid) {
// Do something!
// Redirec...
URL Encode a string in jQuery for an AJAX request
...plementing Google's Instant Search in my application. I'd like to fire off HTTP requests as the user types in the text input. The only problem I'm having is that when the user gets to a space in between first and last names, the space is not encoded as a + , thus breaking the search. How can I eith...
ASP.NET WebApi vs MVC ? [closed]
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WebApi allows to create services that can be exposed over HTTP rather than through a formal service such as WCF or SOAP.
Another difference is in the way how WebApi uses Http protocol and makes it truly First class Http citizen.
UPDATE: The ASP.NET Core, Web API has been integrate...
What is the default scope of a method in Java?
... public scopes, but more permissive than private scope.
More information:
http://docs.oracle.com/javase/tutorial/java/javaOO/accesscontrol.html
http://mindprod.com/jgloss/scope.html
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ASP.NET web.config: configSource vs. file attributes
...ill not cause web application to restart when modifying the specified file
http://msdn.microsoft.com/en-US/library/ms228154(v=vs.100).aspx
Using the Configuration.AppSettings.Settings.Add API will result in all settings being merged back into the main .config on a Configuration.Save call.
since .NET...
Getting the first character of a string with $str[0]
I want to get the first letter of a string and I've noticed that $str[0] works great. I am just not sure whether this is 'good practice', as that notation is generally used with arrays. This feature doesn't seem to be very well documented so I'm turning to you guys to tell me if it's all right –...
RestSharp JSON Parameter Posting
... the RestSharp Request like this: var client = new RestSharp.RestClient("http://your.api.com"); var request = new RestSharp.RestRequest("do-something", Method.POST); var body = new {details = new {extras = "stuff"}}; request.AddJsonBody(body); var response = client.Execute(request);
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How do I create test and train samples from one dataframe with pandas?
... The answer using sklearn from gobrewers14 is the better one. It's less complex and easier to debug. I recommend using the answer below.
– So S
Oct 2 '17 at 15:51
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Eloquent Collection: Counting and Detect Empty
......)->first();
if ($result) { ... }
Notes / References
->first() http://laravel.com/api/4.2/Illuminate/Database/Eloquent/Collection.html#method_first
isEmpty() http://laravel.com/api/4.2/Illuminate/Database/Eloquent/Collection.html#method_isEmpty
->count() http://laravel.com/api/4.2/Ill...