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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...
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...
Delete with Join in MySQL
...p FROM posts as p INNER JOIN [...]
Contributions from Carpetsmoker and etc.
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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 ...
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.
...
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"])
...
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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jQuery or javascript to find memory usage of page
...nt is not dependant on user actions (memory used by script files, plugins, etc.)
Everything else is considered dynamic and should be your main focus when determining your limit.
But there is no easy way to summarize them. You could implement a tracking system that gathers all these information. All...
What are the differences between ArrayList and Vector?
...eadsafe, It is basically a deprecated class. For some reason, universities etc haven't heard about this news and still advocate its use.
– Bohemian♦
May 25 '13 at 9:28
1
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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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