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Invalid argument supplied for foreach()
It often happens to me to handle data that can be either an array or a null variable and to feed some foreach with these data.
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Why must jUnit's fixtureSetup be static?
I marked a method with jUnit's @BeforeClass annotation, and got this exception saying it must be static. What's the rationale? This forces all my init to be on static fields, for no good reason as far as I see.
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Make var_dump look pretty
...$data =\n" . var_export($data, true) . ";\n?>");
You can do the same with print_r(). For var_dump() you would just need to add the <pre> tags:
echo '<pre>';
var_dump($data);
echo '</pre>';
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How do I apply a diff patch on Windows?
...to distribute a patch, and I got a question from a user about how to apply it. So I tried to figure it out on my own and found out that I have no clue, and most of the tools I can find are command-line. (I can handle a command line, but a lot of people would be lost without a nice, friendly GUI. So ...
Can scripts be inserted with innerHTML?
...ied to load some scripts into a page using innerHTML on a <div> . It appears that the script loads into the DOM, but it is never executed (at least in Firefox and Chrome). Is there a way to have scripts execute when inserting them with innerHTML ?
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How to find all links / pages on a website
Is it possible to find all the pages and links on ANY given website? I'd like to enter a URL and produce a directory tree of all links from that site?
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What's the difference between the Dependency Injection and Service Locator patterns?
...rsion of control. That is, that an object should not know how to construct its dependencies.
15 Answers
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How Do I Fetch All Old Items on an RSS Feed?
I've been experimenting with writing my own RSS reader. I can handle the "parse XML" bit. The thing I'm getting stuck on is "How do I fetch older posts?"
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When - and why - should you store data in the Windows Registry?
...nges to those options, can't easily port them from machine to machine, and it all makes me really yearn for the good old days of .INI files...
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Initializing multiple variables to the same value in Java
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String one, two, three;
one = two = three = "";
This should work with immutable objects. It doesn't make any sense for mutable objects for example:
Person firstPerson, secondPerson, thirdPerson;
firstPerson = secondPerson = thirdPerson = new Person();
All the variables would be pointing ...