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What does ~~ (“double tilde”) do in Javascript?
...cs library today and came across the ~~ operator. I know a single ~ is a bitwise NOT, would that make ~~ a NOT of a NOT, which would give back the same value, wouldn't it?
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Difference between Git and GitHub
I have recently added a new project to Git using Eclipse, but do not see the project appear in my GitHub account.
10 Answer...
Convert HH:MM:SS string to seconds only in javascript
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Try this:
var hms = '02:04:33'; // your input string
var a = hms.split(':'); // split it at the colons
// minutes are worth 60 seconds. Hours are worth 60 minutes.
var seconds = (+a[0]) * 60 * 60 + (+a[1]) * 60 + (+a[2]);
console.log(seconds);
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How do I parse a URL into hostname and path in javascript?
...The modern way:
new URL("http://example.com/aa/bb/")
Returns an object with properties hostname and pathname, along with a few others.
The first argument is a relative or absolute URL; if it's relative, then you need to specify the second argument (the base URL). For example, for a URL relative ...
Run JavaScript code on window close or page refresh?
... which are used differently depending on the browser. You can assing them either by setting the window properties to functions, or using the .addEventListener:
window.onbeforeunload = function(){
// Do something
}
// OR
window.addEventListener("beforeunload", function(e){
// Do something
}, f...
bash: Bad Substitution
This bash script gives me Bad substitution error on Ubuntu. Any help will be highly appreciated.
11 Answers
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How do I join two lists in Java?
Conditions: do not modifiy the original lists; JDK only, no external libraries. Bonus points for a one-liner or a JDK 1.3 version.
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Could not establish trust relationship for SSL/TLS secure channel — SOAP
...the web service proxy generated by Visual Studio, for a web service also written in C# (2.0). This has worked for several years, and continues to do so at the dozen or so places where it is running.
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Recursively add files by pattern
...ome of the files to be added may not already be tracked. If you want to limit yourself to files git already knows about, you could combine git-ls-files with a filter:
git ls-files [path] | grep '\.java$' | xargs git add
Git doesn't provide any fancy mechanisms for doing this itself, as it's basical...
Xcode 5: Code signing entitlement errors
...provisioning profile and distribution certificate, but i'm having trouble with distribution. I constantly get the following error:
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