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What are the differences between delegates and events?
What are the differences between delegates and an events? Don't both hold references to functions that can be executed?
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How do I check if a variable exists in a list in BASH
...amp; echo 'yes' || echo 'no'. it's correct assuming space is the separator and $x doesn't contain space
– Tianren Liu
Apr 5 '16 at 21:47
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JAX-RS — How to return JSON and HTTP status code together?
I'm writing a REST web app (NetBeans 6.9, JAX-RS, TopLink Essentials) and trying to return JSON and HTTP status code. I have code ready and working that returns JSON when the HTTP GET method is called from the client. Essentially:
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AngularJS - difference between pristine/dirty and touched/untouched
AngularJS Developer Guide - Forms tell there are many styles and directives regarding forms and fields. For each one, a CSS class:
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How to move an element into another element?
...no need for jquery in 2017 but sometimes it helps to use something lighter and similar for tasks you find yourself doing over and over again in every single project. i use cash-dom as an easy way to listen for document.ready, window.load events in a cross-browser friendly way. easy-peasy.
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Declaring a custom android UI element using XML
How do I declare an Android UI element using XML?
6 Answers
6
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When to make a type non-movable in C++11?
...x objects. If std::mutex contained a native OS mutex type as a data member and the native type's address must stay fixed (because the OS maintains a list of pointers to its mutexes) then either std::mutex would have to store the native mutex type on the heap so it would stay at the same location whe...
How to generate a number of most distinctive colors in R?
I am plotting a categorical dataset and want to use distinctive colors to represent different categories. Given a number n , how can I get n number of MOST distinctive colors in R? Thanks.
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Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.
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Update
data.table v1.9.6+ now supports OP's original attempt and the following answer is no longer necessary.
You can use DT[order(-rank(x), y)].
x y v
1: c 1 7
2: c 3 8
3: c 6 9
4: b 1 1
5: b 3 2
6: b 6 3
7: a 1 4
8: a 3 5
9: a 6 6
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How to see log files in MySQL?
...r creates a log file where it keeps a record of all activities - like when and what queries execute.
8 Answers
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