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Why aren't superclass __init__ methods automatically invoked?
...ython designers decide that subclasses' __init__() methods don't automatically call the __init__() methods of their superclasses, as in some other languages? Is the Pythonic and recommended idiom really like the following?
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How to submit a form using PhantomJS
... this is a great template. Here are a couple of things I added: inside setInterval use var func = steps[testindex], then console.log("step " + (testindex + 1) + ": " + funcName(func)). This allows you to add description to the steps being performed.
– Jonno
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How do I POST JSON data with cURL?
...st my Spring REST application with cURL. I wrote my POST code at the Java side. However, I want to test it with cURL. I am trying to post a JSON data. Example data is like this:
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Android Camera : data intent returns null
I have an android application which contains multiple activities.
11 Answers
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Window Features - 更多技术 - 清泛网 - 专注C/C++及内核技术
...e buttons, and scroll bars. An overlapped window used as a main window typically includes all of these components.
By specifying the WS_OVERLAPPED or WS_OVERLAPPEDWINDOW style in the CreateWindowEx function, an application creates an overlapped window. If you use the WS_OVERLAPPED style, the window...
How do I call a JavaScript function on page load?
Traditionally, to call a JavaScript function once the page has loaded, you'd add an onload attribute to the body containing a bit of JavaScript (usually only calling a function)
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Why are exclamation marks used in Ruby methods?
...methods that end in ! indicate that the method will modify the object it's called on. Ruby calls these as "dangerous methods" because they change state that someone else might have a reference to. Here's a simple example for strings:
foo = "A STRING" # a string called foo
foo.downcase! # modif...
What is a “context bound” in Scala?
...d context bounds is that the first transfers implicit conversions from the caller's scope. The second transfers implicit objects from the caller's scope.
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How to get a table cell value using jQuery?
...t might be worth using a class attribute on the TD containing the customer ID so you can write:
$('#mytable tr').each(function() {
var customerId = $(this).find(".customerIDCell").html();
});
Essentially this is the same as the other solutions (possibly because I copy-pasted), but has th...
Storing SHA1 hash values in MySQL
...ge requirements for BINARY(20) and CHAR(40).
CREATE TABLE `binary` (
`id` int unsigned auto_increment primary key,
`password` binary(20) not null
);
CREATE TABLE `char` (
`id` int unsigned auto_increment primary key,
`password` char(40) not null
);
With million of records binary(2...