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Does ruby have real multithreading?
... in this answer is about the Shotgun VM, which doesn't exist anymore. The "new" C++ VM does not use green threads scheduled across multiple VMs (i.e. Erlang/BEAM style), it uses a more traditional single VM with multiple native OS threads model, just like the one employed by, say, the CLR, Mono, and...
Ternary operator is twice as slow as an if-else block?
...n the other hand is impacted to a greater extent because the addition of a new intermediate value in the inner loop causes it to "spill" another value, resulting in at least 2 additional memory accesses in the inner loop (see the accesses to [ebp-14h] in the X86 ternary code).
...
How to play a notification sound on websites?
...
2020 solution
function playSound(url) {
const audio = new Audio(url);
audio.play();
}
<button onclick="playSound('https://your-file.mp3');">Play</button>
Browser support
Edge 12+, Firefox 20+, Internet Explorer 9+, Opera 15+, Safari 4+, Chrome
Codecs Support
Ju...
How to use XPath contains() here?
...
This is a new answer to an old question about a common misconception about contains() in XPath...
Summary: contains() means contains a substring, not contains a node.
Detailed Explanation
This XPath is often misinterpreted:
//ul[co...
When using a Settings.settings file in .NET, where is the config actually stored?
...diting the app.config file directly, Settings.cs won't be updated, but the new value will still be used by your program when you run it, because app.config gets copied to foo.exe.config at compile time. If you turn this off (by setting the file's properties), you can change a setting by directly ed...
How to convert R Markdown to PDF?
...
What version of RStudio do you have? Did you create a new rmarkdown file?
– Jot eN
Jul 8 '16 at 12:03
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Get form data in ReactJS
...sn't seem really appropriate for a password field.
– NewbiZ
Jul 27 '18 at 7:49
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show 12 more comments
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iOS Tests/Specs TDD/BDD and Integration & Acceptance Testing
..., and is integrated directly into Xcode. This means it's simple to make a new test target, and, most of the time, getting tests up and running "just works." On the other hand, we found that in some cases, such as running on an iOS device, getting OCUnit tests to work was nigh impossible. Setting ...
How to concatenate string variables in Bash
...be useful for manipulating strings that contain spaces, tabulations and/or newlines
printf -v foo "%s World" "$foo"
Shell now
Under POSIX shell, you could not use bashisms, so there is no builtin printf.
Basically
But you could simply do:
foo="Hello"
foo="$foo World"
echo $foo
Hello World
F...
Testing Private method using mockito
...dited Feb 10 '16 at 18:24
David Newcomb
9,71833 gold badges3838 silver badges5353 bronze badges
answered Jan 10 '12 at 6:43
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