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Dynamically creating keys in a JavaScript associative array
...);
a['name'] = 'oscar';
alert(a['name']);
Will pop up a message box containing 'oscar'.
Try:
var text = 'name = oscar'
var dict = new Array()
var keyValuePair = text.replace(/ /g,'').split('=');
dict[ keyValuePair[0] ] = keyValuePair[1];
alert( dict[keyValuePair[0]] );
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Unnamed/anonymous namespaces vs. static functions
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The C++ Standard reads in section 7.3.1.1 Unnamed namespaces, paragraph 2:
The use of the static keyword is
deprecated when declaring objects in a
namespace scope, the unnamed-namespace
provides a superior alternative.
Static only a...
Testing for empty or nil-value string [duplicate]
I'm trying to set a variable conditionally in Ruby. I need to set it if the variable is nil or empty (0 length string). I've come up with the following:
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Why does make think the target is up to date?
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Maybe you have a file/directory named test in the directory. If this directory exists, and has no dependencies that are more recent, then this target is not rebuild.
To force rebuild on these kind of not-file-related targets, you should make them phony as follows:
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Biggest GWT Pitfalls? [closed]
I'm at the beginning/middle of a project that we chose to implement using GWT. Has anyone encountered any major pitfalls in using GWT (and GWT-EXT) that were unable to be overcome? How about from a performance perspective?
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Do HTML5 custom data attributes “work” in IE 6?
Custom data attributes: http://dev.w3.org/html5/spec/Overview.html#embedding-custom-non-visible-data
6 Answers
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Is the primary key automatically indexed in MySQL?
Do you need to explicitly create an index, or is it implicit when defining the primary key? Is the answer the same for MyISAM and InnoDB?
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How to align texts inside of an input?
For all default inputs, the text you fill starts on the left. How do you make it start on the right?
7 Answers
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Using multiple property files (via PropertyPlaceholderConfigurer) in multiple projects/modules
We are currently writing an application which is split into multiple projects/modules. For example, let's take the following modules:
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Difference between Django's annotate and aggregate methods?
... for the entire queryset. Annotate calculates summary values for each item in the queryset.
Aggregation
>>> Book.objects.aggregate(average_price=Avg('price'))
{'average_price': 34.35}
Returns a dictionary containing the average price of all books in the queryset.
Annotation
>>&g...