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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...
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 & instead of just & inside all HTML attributes.
That said, only & and quotes need to be encoded. If you hav...
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...
Clojure differences between Ref, Var, Agent, Atom, with examples
...duce a short snip-it of the motivations for each:
start by watching this video on the notion of Identity and/or studying here.
Refs are for Coordinated Synchronous access to "Many Identities".
Atoms are for Uncoordinated synchronous access to a single Identity.
Agents are for Uncoordinated asynch...
Reordering of commits
...then run git rebase --continue to move on. These instructions are also provided by the error message printed when the conflict occurs.
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Passing current scope to an AngularJS Service
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@Caio Cunha Could you expand on why it's not a good idea to pass a scope? I'm having exactly this issue, I want to add some stuff to $scope via a call to a service using an async executeSql() function. Looking into 3 options (1) use a callback on the async function, then call ...