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Is it alright to use target=“_blank” in HTML5?
...ever to use it (even for opening PDFs in a new window).
HTML should define meaning and content. Ask yourself, “would the meaning of the a element change if the target attribute were removed?” If not, the code should not go in the HTML. (Actually I’m surprised the W3C kept it… I guess they re...
What is the difference between Google App Engine and Google Compute Engine?
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App Engine is a Platform-as-a-Service. It means that you simply deploy your code, and the platform does everything else for you. For example, if your app becomes very successful, App Engine will automatically create more instances to handle the increased volume.
Rea...
How do I find the next commit in git? (child/children of ref)
...ommits, you have the same issue, with the suffix ^ to a revision parameter meaning the first parent of that commit object. ^<n> means the <n>th parent (i.e. rev^ is equivalent to rev^1).
If you are on branch foo and issue "git merge bar" then foo will be the first parent.
I.e: The firs...
Modify request parameter with servlet filter
...There is an XSS issue with a page, but I can't modify the source. I've decided to write a servlet filter to sanitize the parameter before it is seen by the page.
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Real world example about how to use property feature in python?
... you know leading a variable name with one underscore _x in python usually mean it's private (internal use) but sometimes we want to be able to read the instance attribute and not to write it so we can use property for this:
>>> class C(object):
def __init__(self, x):
...
jQuery get value of select onChange
...s if you subscribe unobtrusively (which is the recommended approach):
$('#id_of_field').change(function() {
// $(this).val() will work here
});
if you use onselect and mix markup with script you need to pass a reference to the current element:
onselect="foo(this);"
and then:
function foo(...
What can you do in MSIL that you cannot do in C# or VB.NET? [closed]
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Richard, I'm not sure what you mean. F# certainly does emit the tail. call prefix, pretty much all over the place. Examine the IL for this: "let print x = print_any x".
– MichaelGG
Feb 24 '09 at 23:22
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How to determine the first and last iteration in a foreach loop?
...fer a solution that does not require the initialization of the counter outside the loop, I propose comparing the current iteration key against the function that tells you the last / first key of the array.
This becomes somewhat more efficient (and more readable) with the upcoming PHP 7.3.
Solution...
Officially, what is typename for?
...n some situations where you refer to a member of so called dependent type (meaning "dependent on template parameter"), the compiler cannot always unambiguously deduce the semantic meaning of the resultant construct, because it doesn't know what kind of name that is (i.e. whether it is a name of a ty...
TypeError: 'NoneType' object is not iterable in Python
What does error TypeError: 'NoneType' object is not iterable mean?
7 Answers
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