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What are “Groovy” and “Grails” and what kinds of applications are built using them?
...he existing DB architecture is simple? Could the cumbersome workflow be avoided by migrating the data in the legacy DB to a new DB, and if so would this be hard to do? Thanks.
– Daniel
Apr 8 '15 at 4:41
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Are lists thread-safe?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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In Matlab, when is it optimal to use bsxfun?
...n of the other array. This is what is called "singleton expasion". As an aside, the singleton dimensions are the ones that will be dropped if you call squeeze.
It is possible that for very small problems, the repmat approach is faster - but at that array size, both operations are so fast that it li...
Understanding the transclude option of directive definition?
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Consider a directive called myDirective in an element, and that element is enclosing some other content, let's say:
<div my-directive>
<button>some button</button>
<a href="#">and a link</a>...
Do I encode ampersands in ?
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Yes, it is. HTML entities are parsed inside HTML attributes, and a stray & would create an ambiguity. That's why you should always write &amp; instead of just & inside all HTML attributes.
That said, only & and quotes need to be encoded. If you hav...
URL matrix parameters vs. query parameters
...geable, however, query parameters are generally better supported and more widely recognized. In general, I would recommend that you stick with query parameters for things like HTML forms and simple, single-level HTTP APIs.
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How to gracefully handle the SIGKILL signal in Java
...ignal. The program should handle the signal by doing a controlled, but rapid, shutdown. When a computer shuts down, the final stage of the shutdown process sends every remaining process a SIGTERM, gives those processes a few seconds grace, then sends them a SIGKILL.
The way to handle this for anyt...
CSS :after not adding content to certain elements
...</before>Content of span<after></after></span>
Evidently, that won't work with <img src="" />.
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Best way to get child nodes
...ike this <td\n\t>content</td>. As you might do with XML, to avoid excess whitespace being regarded as part of the data (or DOM, in this case). Why would whitespace inside a tag be included in the DOM?
– Elias Van Ootegem
Apr 30 '12 at 10:42
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Why are Objective-C delegates usually given the property assign instead of retain?
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The reason that you avoid retaining delegates is that you need to avoid a retain cycle:
A creates B
A sets itself as B's delegate
…
A is released by its owner
If B had retained A, A wouldn't be released, as B owns A, thus A's dealloc would neve...