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Usages of Null / Nothing / Unit in Scala
... by returning, it could throw an exception). Nothing is never instantiated and is there for the benefit of the type system (to quote James Iry: "The reason Scala has a bottom type is tied to its ability to express variance in type parameters."). From the article you linked to:
One other use of N...
Splitting String with delimiter
... 1128-2 so that I can have two separate values. For example, value1: 1128 and value2: 2, so that I can then use each value separately. I have tried split() but with no success. Is there a specific way Grails handles this, or a better way of doing it?
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Error pushing to GitHub - insufficient permission for adding an object to repository database
...ry. Otherwise, you'll have errors pushing up to the repository. See setuid and setgid
– syvex
Jul 7 '11 at 17:05
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What does apply_filters(…) actually do in WordPress?
I'm trying to understand some of the function in WordPress, but I can't get my head around what apply_filters(...) actually does.
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Is there any difference between a GUID and a UUID?
I see these 2 acronyms thrown around, and I was wondering if there are any differences between a GUID and a UUID?
6 Answers...
Only one expression can be specified in the select list when the subquery is not introduced with EXI
My query is as follows, and contains a subquery within it:
4 Answers
4
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Selenium c# Webdriver: Wait Until Element is Present
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I used the approach provided and found the method was deprecated as pointed out by Samuel. Checking for the existence of an item now waits up to the specified time.
– Jim Scott
Jun 1 '17 at 0:47
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How to read json file into java with simple JSON library
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The whole file is an array and there are objects and other arrays (e.g. cars) in the whole array of the file.
As you say, the outermost layer of your JSON blob is an array. Therefore, your parser will return a JSONArray. You can then get JSONObject...
How can you list the matches of Vim's search?
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" put in your ~/.vimrc file
" START search related configs and helps
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" ignore case when searching
set ignorecase
" search as characters are entered, as you type in more characters, the search is refined
set incsearch
" highlight matches, in normal mode try...
Update Angular model after setting input value with jQuery
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Works perfect on hidden input: element.triggerHandler("change");
– falko
Dec 2 '13 at 20:07
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