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What is “git remote add …” and “git push origin master”?
...://) means. Remote repository URLs can be of many types (file://, https:// etc.). Git simply relies on the authentication mechanism provided by the transport to take care of permissions and stuff. This means that for file:// URLs, it will be UNIX file permissions, etc. The git:// scheme is asking gi...
Side-by-side plots with ggplot2
...rint the side effect to a file, specify a device driver (such as pdf, png, etc), e.g.
pdf("foo.pdf")
grid.arrange(plot1, plot2)
dev.off()
or, use arrangeGrob() in combination with ggsave(),
ggsave("foo.pdf", arrangeGrob(plot1, plot2))
This is the equivalent of making two distinct plots using p...
Convert Python program to C/C++ code? [closed]
...Looks like it might be a good replacement for pyinstaller, py2exe, py2app, etc. The --recurse-*** flags are important to set properly though.
– ccpizza
Jul 24 '16 at 8:23
...
C# Sortable collection which allows duplicate keys
...ion
}
You will use it when instancing a new SortedList, SortedDictionary etc:
SortedList<int, MyValueClass> slist = new SortedList<int, MyValueClass>(new DuplicateKeyComparer<int>());
Here int is the key that can be duplicate.
...
Proper use cases for Android UserManager.isUserAGoat()?
...ill lead to a compile error if you're forcing to the following else block, etc.
– djechlin
Nov 15 '12 at 2:01
166
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How to copy Java Collections list
...ist.set(int,E) thus element 0 will over write element 0 in the target list etc etc. Not particularly clear from the javadocs I'd have to admit.
List<String> a = new ArrayList<>(a);
a.add("foo");
b.add("bar");
List<String> b = new ArrayList<>(a); // shallow copy 'a'
// the ...
Redis cache vs using memory directly
... storing the data in local memory (since it involves socket roundtrips to fetch/store the data). However, it also brings some interesting properties:
Redis can be accessed by all the processes of your applications, possibly running on several nodes (something local memory cannot achieve).
Redis me...
Java's L number (long) specification
...Editor, IDE, looking at the source on the web (review tools, repositories, etc..). IMHO the priority is not to miss the Shift key. Btw. what font do you recommend? I like monospace and it's the default almost in all editors, CLIs etc that I've see and in this font l and 1 (0 and O resp.) are fairly...
How to get div height to auto-adjust to background size?
...ore hand which you usually do. This will let you add overlay text, titles etc. with no negative padding or absolute positioning of the image. They key is to set the padding % to match the image aspect ratio as seen in the example below. I used this answer and essentially just added an image backgr...
Rails: Missing host to link to! Please provide :host parameter or set default_url_options[:host]
...s.
In each of your environment files (e.g. development.rb, production.rb, etc.) you can specify the default_url_options to use for action_mailer:
config.action_mailer.default_url_options = { host: 'lvh.me', port: '3000' }
However, these are not set for MyApp:Application.default_url_options:
$ M...