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How to scroll HTML page to given anchor?
...st rect = element.getBoundingClientRect() // get rects(width, height, top, etc)
const viewHeight = Math.max(document.documentElement.clientHeight, window.innerHeight || 0);
window.scroll({
top: rect.top + rect.height / 2 - viewHeight / 2,
behavior: 'smooth' // smooth scroll
});
Demonstration ...
Delete with Join in MySQL
...p FROM posts as p INNER JOIN [...]
Contributions from Carpetsmoker and etc.
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How to select where ID in Array Rails ActiveRecord without exception
...elation object, to which you can join more .where clauses, .limit clauses, etc., which is very helpful. It also allows non-existent IDs without throwing exceptions.
The newer Ruby syntax would be:
current_user.comments.where(id: [123, "456", "Michael Jackson"])
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Ruby: Calling class method from instance
... @phoet The make word denotes the make of a car(as in Toyota, BMW etc.) englishforums.com/English/AMakeOfCar/crcjb/post.htm. The nomenclature is based on user's requirement
– Harish Shetty
Dec 28 '11 at 20:56
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ArrayList initialization equivalent to array initialization [duplicate]
... rejects using the clone unless T is a pure Object. (E.g. String, Integer, etc all get copied again, because they extend Object).
if (a.getClass() != Object[].class) {
//Arrays.asList(T...) is always true here
//when T subclasses object
Object[] newArray = new Object[a.length];
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What is the different between 'Auto' and '*' when setting width/height for a grid column?
...l get all the remaining space, if there were two they would get half each, etc. You can also change the proportion allocated to each star sized column.
If column A had a size of 2* and B had a size of 3* then whole column space is divided into 5 equal shares; column A would get 2 shares of the spac...
How to use sed/grep to extract text between two words?
...n the grep included in *BSD, or the ones that come with any SVR4 (Solaris, etc). In FreeBSD, you can install the devel/pcre port which includes pcregrep, which supports PCRE (and look-ahead/behind). Older versions of OSX used GNU grep, but in OSX Mavericks, -P is derived from FreeBSD's version, whi...
How to get the separate digits of an int number?
I have numbers like 1100, 1002, 1022 etc. I would like to have the individual digits, for example for the first number 1100 I want to have 1, 1, 0, 0.
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Java String - See if a string contains only numbers and not letters
...s and decimals included). For example, it will match 1, 10, 1.0, -1, -1.0, etc. It'll also match on "1." but that can often be parsed anyway.
– user358089
Dec 4 '14 at 19:59
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max value of integer
... The C standard also specifies minimum values for INT_MAX, LONG_MAX, etc.
– Oliver Charlesworth
Feb 21 '13 at 14:51
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