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When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
...equire casting due to Scala's type system.
Also in Java people don't typically make immutable objects which I recommend you do for messaging. Consequently its very easy in Java to accidentally do something using Akka that will not scale (using mutable objects for messages, relying on weird closure...
Why declare a struct that only contains an array in C?
...'t inline: it's more efficient to pass them by const-reference, unless the callee already needs a tmp copy it can destroy. If the call / return don't optimize away, a medium to large array (thousands of bytes) is a terrible thing to pass by value.
– Peter Cordes
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Join strings with a delimiter only if strings are not null or empty
...ings */) {
// Do not use:
// var args = Array.prototype.slice.call(arguments, 1);
// since it prevents optimizations in JavaScript engines (V8 for example).
// (See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/arguments)
// So we construct a ne...
How to get the class of the clicked element?
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"class" is not a valid variable name.
– Fred Bergman
Oct 20 '09 at 9:17
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How to align checkboxes and their labels consistently cross-browsers
...kbox inputs need to align vertically with the label text similarly (if not identically) across all browsers.
If the label text wraps, it needs to be indented (so no wrapping down underneath the checkbox).
Before I get into any explanation, I'll just give you the code:
label {
display: block;
...
How to restart a rails server on Heroku?
Locally I just interrupt (ctrl-c) and then start it again.
5 Answers
5
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What's the difference between tag and release?
... It might also worthwhile to know that there's now a command-line tool called hub that supercharges the capabilities of git. Among these superpowers, there's the ability to push release in the terminal.
– Paul Razvan Berg
Jan 30 '19 at 14:21
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How to display unique records from a has_many through relationship?
...te that -> {uniq} in this sense is just an alias for -> {distinct} apidock.com/rails/v4.1.8/ActiveRecord/QueryMethods/uniq It occurs in SQL not ruby
– engineerDave
Mar 26 '15 at 21:37
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How to prevent line breaks in list items using CSS
I'm trying to put a link called Submit resume in a menu using a li tag. Because of the whitespace between the two words it wraps to two lines. How to prevent this wrapping with CSS?
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`ui-router` $stateParams vs. $state.params
...the original $state.params, and seems to be a simple helper injector to avoid continuously writing $state.params.
I doubt there are any best practice guidelines, but context wins out for me. If you simply want access to the params received into the url, then use $stateParams. If you want to know so...