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What's the difference between using “let” and “var”?
...t baz = "Bazz";
console.log(baz);
}
console.log(baz); // ReferenceError
}
run();
The reason why let keyword was introduced to the language was function scope is confusing and was one of the main sources of bugs in JavaScript.
Take a look at this example from another stackoverflow questi...
Have Grunt generate index.html for different setups
...Pattern, destPath) {
if (srcPattern === undefined) {
throw new Error("srcPattern undefined");
}
if (destPath === undefined) {
throw new Error("destPath undefined");
}
return grunt.util._.reduce(
grunt.file.expandMapping(srcPattern, destPath, {
...
Better explanation of when to use Imports/Depends
...s the @import ggplot2 tag and my package has Imports: ggplot2 but I get an error: Error in eval(expr, envir, enclos) : could not find function "autoplot" when I try to use it.
– nathaneastwood
Mar 16 '15 at 11:35
...
How does the const constructor actually work?
...r because the field 'j' is initialized with a non-constant value
Runtime Error:
/main.dart': error: line 5 pos 17: expression is not a valid compile-time constant
final int j = new DateTime.now().millisecond;
shar...
Is JavaScript's “new” keyword considered harmful?
...ntime exception:
if ( !(this instanceof arguments.callee) )
throw new Error("Constructor called as a function");
(Note that this snippet is able to avoid hard-coding the constructor function name, as unlike the previous example it has no need to actually instantiate the object - therefore, it...
How to resolve merge conflicts in Git?
... * branch master -> FETCH_HEAD
Updating a030c3a..ee25213
error: Entry 'filename.c' not uptodate. Cannot merge.
So you get up-to-date and try again, but have a conflict:
git add filename.c
git commit -m "made some wild and crazy changes"
git pull origin master
From ssh://gitosis...
Which characters make a URL invalid?
...
This answer isn't bad, but there are some confusions and errors. You initially conflate disallowed and reserved characters (very different things), you make too much of the distinction between "unwise" characters and other disallowed characters (dropped in RFC 3986 and syntacticall...
Insert code into the page context using a content script
...nclude:
"web_accessible_resources": ["script.js"],
If not, the following error will appear in the console:
Denying load of chrome-extension://[EXTENSIONID]/script.js. Resources must be listed in the web_accessible_resources manifest key in order to be loaded by pages outside the extension.
Metho...
What is a stream?
...bat, stdin (standard input), stdout (standard output) and stderr (standard error). Streams can be built as data structures themselves or objects which allows us to perform more complex operations of the data streaming through them, like opening the stream, closing the stream or error checking the fi...
Understanding offsetWidth, clientWidth, scrollWidth and -Height, respectively
...al layout, and all of them are integers (thus possibly subject to rounding errors).
Let's go through them in detail:
offsetWidth, offsetHeight: The size of the visual box incuding all borders. Can be calculated by adding width/height and paddings and borders, if the element has display: block
cli...