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Most efficient way to concatenate strings in JavaScript?
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It is different from version to version. I guess, right now Chrome's VM might contain some pre-optimization for this case. I tested again on Chrome v53 and concatenation is now the fastest solution :D Same hardware but different Chrome version gives totally different results.
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What is the difference between ManualResetEvent and AutoResetEvent in .NET?
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Could you up-vote it now ? No one will practically do the second code block here, it's a matter of understanding the difference.
– vezenkov
Oct 13 '15 at 8:06
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How can I create a self-signed cert for localhost?
...row next to "Trust" and choose to "Always trust". Chrome and Safari should now trust this cert. For example, if you want to use this cert with node.js:
var options = {
key: fs.readFileSync('/path/to/localhost.key').toString(),
cert: fs.readFileSync('/path/to/localhost.crt').toString(),
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Java to Clojure rewrite
...mutable state and develop pure (side-effect free) functions. You probably know all this already :-)
Anyway, this philosophy tends to lead towards something of a "bottom up" development style where you focus the initial efforts on building the right set of tools to solve your problem, then finally p...
How is null + true a string?
... fine, but it's not used for a null literal, because the compiler doesn't know to look in Foo. It only knows to consider string because it's a predefined operator explicitly listed in the spec. (In fact, it's not an operator defined by the string type... 1) That means that this will fail to compile:...
Aborting a stash pop in Git
...apply:
git merge-recursive stash@{0}: -- $(git write-tree) stash@{0}^1
Now you will be left with just the non-stash changes. They will be in the index. You can use git reset to unstage your changes if you like.
Given that your original git stash apply failed I assume the reverse might also fa...
Can dplyr package be used for conditional mutating?
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dplyr now has a function case_when that offers a vectorised if. The syntax is a little strange compared to mosaic:::derivedFactor as you cannot access variables in the standard dplyr way, and need to declare the mode of NA, but it ...
How do I *really* justify a horizontal menu in HTML+CSS?
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Modern Approach - Flexboxes!
Now that CSS3 flexboxes have better browser support, some of us can finally start using them. Just add additional vendor prefixes for more browser coverage.
In this instance, you would just set the parent element's display t...
Fastest way to serialize and deserialize .NET objects
... G'day Marc, love the protocol-buffers work you've done and I know this post is almost 5yrs old but the netserializer quoted in an answer here (Binoj) has metrics indicating your implementation isn't the fastest. Is that a fair statement/advertisement or is there a trade off? thanks
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What's the difference between @Component, @Repository & @Service annotations in Spring?
...for any class that fulfils the
role or stereotype of a repository (also known as Data Access Object
or DAO). Among the uses of this marker is the automatic translation of
exceptions, as described in Exception Translation.
Spring provides further stereotype annotations: @Component, @Servic...