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How to avoid “if” chains?
...
You can use an && (logic AND):
if (executeStepA() && executeStepB() && executeStepC()){
...
}
executeThisFunctionInAnyCase();
this will satisfy both of your requirements:
executeStep<X>() should evaluate only if the previous one succee...
Javascript web app and Java server, build all in Maven or use Grunt for web app?
...a of using Bower for Dependency Management and Grunt for building, running tests etc. ( Yeoman )
5 Answers
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How to declare a structure in a header that is to be used by multiple files in c?
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You're right. I tested recently a C99 and was surprised to see that my untypedefed struct was not recognized when used the C++ way. I searched for compiler options, and then, in all standard documents I could put my hands on, but found nothi...
Instance variables vs. class variables in Python
...hon - the code here adapted from @Edward Loper
Local Variables are the fastest to access, pretty much tied with Module Variables, followed by Class Variables, followed by Instance Variables.
There are 4 scopes you can access variables from:
Instance Variables (self.varname)
Class Variables (Clas...
Uses for Optional
...sing Optional, however this lack of rigour should be backed by decent unit tests.
public @Nullable Foo findFoo(@NotNull String id);
public @NotNull Foo doSomething(@NotNull String id, @Nullable Bar barOptional);
public class Book {
private List<Pages> pages;
private @Nullable Index ind...
Browsers' default CSS for HTML elements
...contrast, and then give a color with the hue-rotate property, following my tests. The invert filter isn't mandatory, but is giving some deep effects.
As well, the drop-shadow filter is working pretty nicely cross browser.
To be use like this: filter:drop-shadow(2px 20px 50px red) [X,Y,RADIUS,COLOR]...
Sending files using POST with HttpURLConnection
...erty("User-Agent", "CodeJava Agent");
httpConn.setRequestProperty("Test", "Bonjour");
outputStream = httpConn.getOutputStream();
writer = new PrintWriter(new OutputStreamWriter(outputStream, charset),
true);
}
/**
* Adds a form field to the reque...
Unpacking, extended unpacking and nested extended unpacking
...e to anyone else. If I remember right, it implemented the point in polygon test, did some coordinate transforms, and crafted some SVGs, HTML, and JavaScript.
– agf
Aug 6 '11 at 15:21
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Spring MVC: How to perform validation?
...r controller : very useful, because most validators are singletons + unit test mocking becomes easier + your validator could call other Spring components.
Method 3 :
Why not using a combination of both methods? Validate the simple stuff, like the "name" attribute, with annotations (it is quick to ...
How to remove/ignore :hover css style on touch devices
.... This worked fine on iOS, but I couldn't get it to work on the OnePlus. I tested thoroughly using the any-pointer and any-hover
– Zeth
Jul 1 at 14:23
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