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In C#, should I use string.Empty or String.Empty or “” to intitialize a string?
...ore readable is a different matter, however. It's subjective and will vary from person to person - so I suggest you find out what most people on your team like, and all go with that for consistency. Personally I find "" easier to read.
The argument that "" and " " are easily mistaken for each other...
In Java, when should I create a checked exception, and when should it be a runtime exception? [dupli
... the cheaper it is to fix it, I prefer CheckedExceptions for this reason.
From a philosophical point of view, a method call is a contract to some degree between the caller and the called. Since the compiler enforces the types of parameters that are passed in, it seems symmetrical to let it enforce...
Using reCAPTCHA on localhost
...accurate, but there's an important caveat that stumped me: When migrating from reCAPTCHA v1 to v2, it is necessary to regenerate the API keys in order for this message to disappear. Further, and equally important, if you're like me and you setup test domains in your local/development environment b...
Checkout old commit and make it a new commit [duplicate]
...ected), git checkout <commit-hash> . should checkout . (all changes) from the commit to your working-tree, which you can apply as a new commit. You can also detach HEAD and branch off that commit. It should then be at HEAD for the new branch and you can commit there. The . is important.
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How is Docker different from a virtual machine?
...sources, a full VM is the way to go. If you just want to isolate processes from each other and want to run a ton of them on a reasonably sized host, then Docker/LXC/runC seems to be the way to go.
For more information, check out this set of blog posts which do a good job of explaining how LXC works...
How to get relative path from absolute path
...tivePath, else, use this.
/// <summary>
/// Creates a relative path from one file or folder to another.
/// </summary>
/// <param name="fromPath">Contains the directory that defines the start of the relative path.</param>
/// <param name="toPath">Contains the path that...
Spring: @Component versus @Bean
...ng do it automatically as above. It decouples the declaration of the bean from the class definition, and lets you create and configure beans exactly how you choose.
To answer your question...
would it have been possible to re-use the @Component annotation instead of introducing @Bean annotatio...
git: undo all working dir changes including new files
How to delete all changes from working directory including new untracked files. I know that git checkout -f does that, but it doesn't delete new untracked files created since last commit.
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How to handle :java.util.concurrent.TimeoutException: android.os.BinderProxy.finalize() timed out af
...lize . 90+% of them happen on Android 4.3. We're getting reports of this from Crittercism from users out in the field.
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Editing legend (text) labels in ggplot
... the ggplot2 package.
An example with your data:
# transforming the data from wide to long
library(reshape2)
dfm <- melt(df, id = "TY")
# creating a scatterplot
ggplot(data = dfm, aes(x = TY, y = value, color = variable)) +
geom_point(size=5) +
labs(title = "Temperatures\n", x = "TY [°C]...