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JavaFX and OpenJDK
I'm trying to decide whether I could switch to JavaFX for the user interface of my Java application. Most of my users would be using the Oracle JRE, which has JavaFX integrated these days. However, some are using OpenJDK (on linux). This (old) question suggests that OpenJDK deals very badly with J...
Django: Set foreign key using integer?
Is there a way to set foreign key relationship using the integer id of a model? This would be for optimization purposes.
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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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node.js global variables?
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You can use global like so:
global._ = require('underscore')
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c# datatable insert column at position 0
...umns.Add("Column Name", System.Type.GetType("System.Boolean"));
Col.SetOrdinal(0);// to put the column in position 0;
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Finding differences between elements of a list
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>>> t
[1, 3, 6]
>>> [j-i for i, j in zip(t[:-1], t[1:])] # or use itertools.izip in py2k
[2, 3]
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How to replace local branch with remote branch entirely in Git?
...ent).
Assuming that master is the local branch you're replacing, and that "origin/master" is the remote branch you want to reset to:
git reset --hard origin/master
This updates your local HEAD branch to be the same revision as origin/master, and --hard will sync this change into the index and wo...
vector::at vs. vector::operator[]
...ndary checking, which is also discussed in similar questions like C++ Vector at/[] operator speed or ::std::vector::at() vs operator[] << surprising results!! 5 to 10 times slower/faster! . I just don't understand what the at() method is good for.
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Plain Old CLR Object vs Data Transfer Object
POCO = Plain Old CLR (or better: Class) Object
10 Answers
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Why does Azure deployment take so long?
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Is this answer still appropriate for 2018? I am trying to deploy a redis cache on Azure. My first service on azure - been waiting for 25 mins now and can't believe that this is normal / acceptable.
– Gravy
Jan 22 '18 at...