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How can I get query string values in JavaScript?
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Update: Sep-2018
You can use URLSearchParams which is simple and has decent (but not complete) browser support.
const urlParams = new URLSearchParams(window.location.search);
const myParam = urlParams.get('myParam');
PS
Unfortunately URL...
ggplot with 2 y axes on each side and different scales
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109
Sometimes a client wants two y scales. Giving them the "flawed" speech is often pointless. But ...
Javascript: negative lookbehind equivalent?
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Lookbehind Assertions got accepted into the ECMAScript specification in 2018.
Positive lookbehind usage:
console.log(
"$9.99 €8.47".match(/(?<=\$)\d+(\.\d*)?/) // Matches "9.99"
);
Negative lookbehind usage:
console.log(
"$9.99 €8.47".match(/(?<!\$)\d+(?:\.\d*)/)...
How to find nth occurrence of character in a string?
...ng substr, int n) {
int pos = str.indexOf(substr);
while (--n > 0 && pos != -1)
pos = str.indexOf(substr, pos + 1);
return pos;
}
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How do I change an HTML selected option using JavaScript?
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10 Answers
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The static keyword and its various uses in C++
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150
Variables:
static variables exist for the "lifetime" of the translation unit that it's defined i...
Liquibase lock - reasons?
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601
Sometimes if the update application is abruptly stopped, then the lock remains stuck.
Then run...
How to read the output from git diff?
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Lets take a look at example advanced diff from git history (in commit 1088261f in git.git repository):
diff --git a/builtin-http-fetch.c b/http-fetch.c
similarity index 95%
rename from builtin-http-fetch.c
rename to http-fetch.c
index f3e63d7..e8f44ba 100644
--- a/builtin-http-fetch.c
+++ b/htt...
Declaration/definition of variables locations in ObjectiveC?
...properties can be declared.
Before "modern" Objective-C (in "old" Obj-C 2.0) you didn't have a lot of choices. Instance variables used to be declared in the header between the curly brackets { }:
// MyClass.h
@interface MyClass : NSObject {
int myVar;
}
@end
You were able to access these var...